apollo-client.cjs.js

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var tslib = require('tslib');
var tsInvariant = require('ts-invariant');
var graphql = require('graphql');
var stringify = _interopDefault(require('fast-json-stable-stringify'));
var Observable = _interopDefault(require('zen-observable'));
require('symbol-observable');
var equality = require('@wry/equality');
var optimism = require('optimism');
var context = require('@wry/context');
var graphqlTag = require('graphql-tag');
var graphqlTag__default = _interopDefault(graphqlTag);
var React = require('react');
var React__default = _interopDefault(React);

function shouldInclude(_a, variables) {
    var directives = _a.directives;
    if (!directives || !directives.length) {
        return true;
    }
    return getInclusionDirectives(directives).every(function (_a) {
        var directive = _a.directive, ifArgument = _a.ifArgument;
        var evaledValue = false;
        if (ifArgument.value.kind === 'Variable') {
            evaledValue = variables && variables[ifArgument.value.name.value];
            process.env.NODE_ENV === "production" ? tsInvariant.invariant(evaledValue !== void 0, 38) : tsInvariant.invariant(evaledValue !== void 0, "Invalid variable referenced in @" + directive.name.value + " directive.");
        }
        else {
            evaledValue = ifArgument.value.value;
        }
        return directive.name.value === 'skip' ? !evaledValue : evaledValue;
    });
}
function getDirectiveNames(root) {
    var names = [];
    graphql.visit(root, {
        Directive: function (node) {
            names.push(node.name.value);
        },
    });
    return names;
}
function hasDirectives(names, root) {
    return getDirectiveNames(root).some(function (name) { return names.indexOf(name) > -1; });
}
function hasClientExports(document) {
    return (document &&
        hasDirectives(['client'], document) &&
        hasDirectives(['export'], document));
}
function isInclusionDirective(_a) {
    var value = _a.name.value;
    return value === 'skip' || value === 'include';
}
function getInclusionDirectives(directives) {
    var result = [];
    if (directives && directives.length) {
        directives.forEach(function (directive) {
            if (!isInclusionDirective(directive))
                return;
            var directiveArguments = directive.arguments;
            var directiveName = directive.name.value;
            process.env.NODE_ENV === "production" ? tsInvariant.invariant(directiveArguments && directiveArguments.length === 1, 39) : tsInvariant.invariant(directiveArguments && directiveArguments.length === 1, "Incorrect number of arguments for the @" + directiveName + " directive.");
            var ifArgument = directiveArguments[0];
            process.env.NODE_ENV === "production" ? tsInvariant.invariant(ifArgument.name && ifArgument.name.value === 'if', 40) : tsInvariant.invariant(ifArgument.name && ifArgument.name.value === 'if', "Invalid argument for the @" + directiveName + " directive.");
            var ifValue = ifArgument.value;
            process.env.NODE_ENV === "production" ? tsInvariant.invariant(ifValue &&
                (ifValue.kind === 'Variable' || ifValue.kind === 'BooleanValue'), 41) : tsInvariant.invariant(ifValue &&
                (ifValue.kind === 'Variable' || ifValue.kind === 'BooleanValue'), "Argument for the @" + directiveName + " directive must be a variable or a boolean value.");
            result.push({ directive: directive, ifArgument: ifArgument });
        });
    }
    return result;
}

function getFragmentQueryDocument(document, fragmentName) {
    var actualFragmentName = fragmentName;
    var fragments = [];
    document.definitions.forEach(function (definition) {
        if (definition.kind === 'OperationDefinition') {
            throw process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(42) : new tsInvariant.InvariantError("Found a " + definition.operation + " operation" + (definition.name ? " named '" + definition.name.value + "'" : '') + ". " +
                'No operations are allowed when using a fragment as a query. Only fragments are allowed.');
        }
        if (definition.kind === 'FragmentDefinition') {
            fragments.push(definition);
        }
    });
    if (typeof actualFragmentName === 'undefined') {
        process.env.NODE_ENV === "production" ? tsInvariant.invariant(fragments.length === 1, 43) : tsInvariant.invariant(fragments.length === 1, "Found " + fragments.length + " fragments. `fragmentName` must be provided when there is not exactly 1 fragment.");
        actualFragmentName = fragments[0].name.value;
    }
    var query = tslib.__assign(tslib.__assign({}, document), { definitions: tslib.__spreadArrays([
            {
                kind: 'OperationDefinition',
                operation: 'query',
                selectionSet: {
                    kind: 'SelectionSet',
                    selections: [
                        {
                            kind: 'FragmentSpread',
                            name: {
                                kind: 'Name',
                                value: actualFragmentName,
                            },
                        },
                    ],
                },
            }
        ], document.definitions) });
    return query;
}
function createFragmentMap(fragments) {
    if (fragments === void 0) { fragments = []; }
    var symTable = {};
    fragments.forEach(function (fragment) {
        symTable[fragment.name.value] = fragment;
    });
    return symTable;
}
function getFragmentFromSelection(selection, fragmentMap) {
    switch (selection.kind) {
        case 'InlineFragment':
            return selection;
        case 'FragmentSpread': {
            var fragment = fragmentMap && fragmentMap[selection.name.value];
            process.env.NODE_ENV === "production" ? tsInvariant.invariant(fragment, 44) : tsInvariant.invariant(fragment, "No fragment named " + selection.name.value + ".");
            return fragment;
        }
        default:
            return null;
    }
}

function makeReference(id) {
    return { __ref: String(id) };
}
function isReference(obj) {
    return Boolean(obj && typeof obj === 'object' && typeof obj.__ref === 'string');
}
function isStringValue(value) {
    return value.kind === 'StringValue';
}
function isBooleanValue(value) {
    return value.kind === 'BooleanValue';
}
function isIntValue(value) {
    return value.kind === 'IntValue';
}
function isFloatValue(value) {
    return value.kind === 'FloatValue';
}
function isVariable(value) {
    return value.kind === 'Variable';
}
function isObjectValue(value) {
    return value.kind === 'ObjectValue';
}
function isListValue(value) {
    return value.kind === 'ListValue';
}
function isEnumValue(value) {
    return value.kind === 'EnumValue';
}
function isNullValue(value) {
    return value.kind === 'NullValue';
}
function valueToObjectRepresentation(argObj, name, value, variables) {
    if (isIntValue(value) || isFloatValue(value)) {
        argObj[name.value] = Number(value.value);
    }
    else if (isBooleanValue(value) || isStringValue(value)) {
        argObj[name.value] = value.value;
    }
    else if (isObjectValue(value)) {
        var nestedArgObj_1 = {};
        value.fields.map(function (obj) {
            return valueToObjectRepresentation(nestedArgObj_1, obj.name, obj.value, variables);
        });
        argObj[name.value] = nestedArgObj_1;
    }
    else if (isVariable(value)) {
        var variableValue = (variables || {})[value.name.value];
        argObj[name.value] = variableValue;
    }
    else if (isListValue(value)) {
        argObj[name.value] = value.values.map(function (listValue) {
            var nestedArgArrayObj = {};
            valueToObjectRepresentation(nestedArgArrayObj, name, listValue, variables);
            return nestedArgArrayObj[name.value];
        });
    }
    else if (isEnumValue(value)) {
        argObj[name.value] = value.value;
    }
    else if (isNullValue(value)) {
        argObj[name.value] = null;
    }
    else {
        throw process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(53) : new tsInvariant.InvariantError("The inline argument \"" + name.value + "\" of kind \"" + value.kind + "\"" +
            'is not supported. Use variables instead of inline arguments to ' +
            'overcome this limitation.');
    }
}
function storeKeyNameFromField(field, variables) {
    var directivesObj = null;
    if (field.directives) {
        directivesObj = {};
        field.directives.forEach(function (directive) {
            directivesObj[directive.name.value] = {};
            if (directive.arguments) {
                directive.arguments.forEach(function (_a) {
                    var name = _a.name, value = _a.value;
                    return valueToObjectRepresentation(directivesObj[directive.name.value], name, value, variables);
                });
            }
        });
    }
    var argObj = null;
    if (field.arguments && field.arguments.length) {
        argObj = {};
        field.arguments.forEach(function (_a) {
            var name = _a.name, value = _a.value;
            return valueToObjectRepresentation(argObj, name, value, variables);
        });
    }
    return getStoreKeyName(field.name.value, argObj, directivesObj);
}
var KNOWN_DIRECTIVES = [
    'connection',
    'include',
    'skip',
    'client',
    'rest',
    'export',
];
function getStoreKeyName(fieldName, args, directives) {
    if (args &&
        directives &&
        directives['connection'] &&
        directives['connection']['key']) {
        if (directives['connection']['filter'] &&
            directives['connection']['filter'].length > 0) {
            var filterKeys = directives['connection']['filter']
                ? directives['connection']['filter']
                : [];
            filterKeys.sort();
            var filteredArgs_1 = {};
            filterKeys.forEach(function (key) {
                filteredArgs_1[key] = args[key];
            });
            return directives['connection']['key'] + "(" + JSON.stringify(filteredArgs_1) + ")";
        }
        else {
            return directives['connection']['key'];
        }
    }
    var completeFieldName = fieldName;
    if (args) {
        var stringifiedArgs = stringify(args);
        completeFieldName += "(" + stringifiedArgs + ")";
    }
    if (directives) {
        Object.keys(directives).forEach(function (key) {
            if (KNOWN_DIRECTIVES.indexOf(key) !== -1)
                return;
            if (directives[key] && Object.keys(directives[key]).length) {
                completeFieldName += "@" + key + "(" + JSON.stringify(directives[key]) + ")";
            }
            else {
                completeFieldName += "@" + key;
            }
        });
    }
    return completeFieldName;
}
function argumentsObjectFromField(field, variables) {
    if (field.arguments && field.arguments.length) {
        var argObj_1 = {};
        field.arguments.forEach(function (_a) {
            var name = _a.name, value = _a.value;
            return valueToObjectRepresentation(argObj_1, name, value, variables);
        });
        return argObj_1;
    }
    return null;
}
function resultKeyNameFromField(field) {
    return field.alias ? field.alias.value : field.name.value;
}
function getTypenameFromResult(result, selectionSet, fragmentMap) {
    if (typeof result.__typename === 'string') {
        return result.__typename;
    }
    for (var _i = 0, _a = selectionSet.selections; _i < _a.length; _i++) {
        var selection = _a[_i];
        if (isField(selection)) {
            if (selection.name.value === '__typename') {
                return result[resultKeyNameFromField(selection)];
            }
        }
        else {
            var typename = getTypenameFromResult(result, getFragmentFromSelection(selection, fragmentMap).selectionSet, fragmentMap);
            if (typeof typename === 'string') {
                return typename;
            }
        }
    }
}
function isField(selection) {
    return selection.kind === 'Field';
}
function isInlineFragment(selection) {
    return selection.kind === 'InlineFragment';
}

function checkDocument(doc) {
    process.env.NODE_ENV === "production" ? tsInvariant.invariant(doc && doc.kind === 'Document', 45) : tsInvariant.invariant(doc && doc.kind === 'Document', "Expecting a parsed GraphQL document. Perhaps you need to wrap the query string in a \"gql\" tag? http://docs.apollostack.com/apollo-client/core.html#gql");
    var operations = doc.definitions
        .filter(function (d) { return d.kind !== 'FragmentDefinition'; })
        .map(function (definition) {
        if (definition.kind !== 'OperationDefinition') {
            throw process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(46) : new tsInvariant.InvariantError("Schema type definitions not allowed in queries. Found: \"" + definition.kind + "\"");
        }
        return definition;
    });
    process.env.NODE_ENV === "production" ? tsInvariant.invariant(operations.length <= 1, 47) : tsInvariant.invariant(operations.length <= 1, "Ambiguous GraphQL document: contains " + operations.length + " operations");
    return doc;
}
function getOperationDefinition(doc) {
    checkDocument(doc);
    return doc.definitions.filter(function (definition) { return definition.kind === 'OperationDefinition'; })[0];
}
function getOperationName(doc) {
    return (doc.definitions
        .filter(function (definition) {
        return definition.kind === 'OperationDefinition' && definition.name;
    })
        .map(function (x) { return x.name.value; })[0] || null);
}
function getFragmentDefinitions(doc) {
    return doc.definitions.filter(function (definition) { return definition.kind === 'FragmentDefinition'; });
}
function getQueryDefinition(doc) {
    var queryDef = getOperationDefinition(doc);
    process.env.NODE_ENV === "production" ? tsInvariant.invariant(queryDef && queryDef.operation === 'query', 48) : tsInvariant.invariant(queryDef && queryDef.operation === 'query', 'Must contain a query definition.');
    return queryDef;
}
function getFragmentDefinition(doc) {
    process.env.NODE_ENV === "production" ? tsInvariant.invariant(doc.kind === 'Document', 49) : tsInvariant.invariant(doc.kind === 'Document', "Expecting a parsed GraphQL document. Perhaps you need to wrap the query string in a \"gql\" tag? http://docs.apollostack.com/apollo-client/core.html#gql");
    process.env.NODE_ENV === "production" ? tsInvariant.invariant(doc.definitions.length <= 1, 50) : tsInvariant.invariant(doc.definitions.length <= 1, 'Fragment must have exactly one definition.');
    var fragmentDef = doc.definitions[0];
    process.env.NODE_ENV === "production" ? tsInvariant.invariant(fragmentDef.kind === 'FragmentDefinition', 51) : tsInvariant.invariant(fragmentDef.kind === 'FragmentDefinition', 'Must be a fragment definition.');
    return fragmentDef;
}
function getMainDefinition(queryDoc) {
    checkDocument(queryDoc);
    var fragmentDefinition;
    for (var _i = 0, _a = queryDoc.definitions; _i < _a.length; _i++) {
        var definition = _a[_i];
        if (definition.kind === 'OperationDefinition') {
            var operation = definition.operation;
            if (operation === 'query' ||
                operation === 'mutation' ||
                operation === 'subscription') {
                return definition;
            }
        }
        if (definition.kind === 'FragmentDefinition' && !fragmentDefinition) {
            fragmentDefinition = definition;
        }
    }
    if (fragmentDefinition) {
        return fragmentDefinition;
    }
    throw process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(52) : new tsInvariant.InvariantError('Expected a parsed GraphQL query with a query, mutation, subscription, or a fragment.');
}
function getDefaultValues(definition) {
    var defaultValues = Object.create(null);
    var defs = definition && definition.variableDefinitions;
    if (defs && defs.length) {
        defs.forEach(function (def) {
            if (def.defaultValue) {
                valueToObjectRepresentation(defaultValues, def.variable.name, def.defaultValue);
            }
        });
    }
    return defaultValues;
}

function filterInPlace(array, test, context) {
    var target = 0;
    array.forEach(function (elem, i) {
        if (test.call(this, elem, i, array)) {
            array[target++] = elem;
        }
    }, context);
    array.length = target;
    return array;
}

var TYPENAME_FIELD = {
    kind: 'Field',
    name: {
        kind: 'Name',
        value: '__typename',
    },
};
function isEmpty(op, fragments) {
    return op.selectionSet.selections.every(function (selection) {
        return selection.kind === 'FragmentSpread' &&
            isEmpty(fragments[selection.name.value], fragments);
    });
}
function nullIfDocIsEmpty(doc) {
    return isEmpty(getOperationDefinition(doc) || getFragmentDefinition(doc), createFragmentMap(getFragmentDefinitions(doc)))
        ? null
        : doc;
}
function getDirectiveMatcher(directives) {
    return function directiveMatcher(directive) {
        return directives.some(function (dir) {
            return (dir.name && dir.name === directive.name.value) ||
                (dir.test && dir.test(directive));
        });
    };
}
function removeDirectivesFromDocument(directives, doc) {
    var variablesInUse = Object.create(null);
    var variablesToRemove = [];
    var fragmentSpreadsInUse = Object.create(null);
    var fragmentSpreadsToRemove = [];
    var modifiedDoc = nullIfDocIsEmpty(graphql.visit(doc, {
        Variable: {
            enter: function (node, _key, parent) {
                if (parent.kind !== 'VariableDefinition') {
                    variablesInUse[node.name.value] = true;
                }
            },
        },
        Field: {
            enter: function (node) {
                if (directives && node.directives) {
                    var shouldRemoveField = directives.some(function (directive) { return directive.remove; });
                    if (shouldRemoveField &&
                        node.directives &&
                        node.directives.some(getDirectiveMatcher(directives))) {
                        if (node.arguments) {
                            node.arguments.forEach(function (arg) {
                                if (arg.value.kind === 'Variable') {
                                    variablesToRemove.push({
                                        name: arg.value.name.value,
                                    });
                                }
                            });
                        }
                        if (node.selectionSet) {
                            getAllFragmentSpreadsFromSelectionSet(node.selectionSet).forEach(function (frag) {
                                fragmentSpreadsToRemove.push({
                                    name: frag.name.value,
                                });
                            });
                        }
                        return null;
                    }
                }
            },
        },
        FragmentSpread: {
            enter: function (node) {
                fragmentSpreadsInUse[node.name.value] = true;
            },
        },
        Directive: {
            enter: function (node) {
                if (getDirectiveMatcher(directives)(node)) {
                    return null;
                }
            },
        },
    }));
    if (modifiedDoc &&
        filterInPlace(variablesToRemove, function (v) { return !!v.name && !variablesInUse[v.name]; }).length) {
        modifiedDoc = removeArgumentsFromDocument(variablesToRemove, modifiedDoc);
    }
    if (modifiedDoc &&
        filterInPlace(fragmentSpreadsToRemove, function (fs) { return !!fs.name && !fragmentSpreadsInUse[fs.name]; })
            .length) {
        modifiedDoc = removeFragmentSpreadFromDocument(fragmentSpreadsToRemove, modifiedDoc);
    }
    return modifiedDoc;
}
function addTypenameToDocument(doc) {
    return graphql.visit(checkDocument(doc), {
        SelectionSet: {
            enter: function (node, _key, parent) {
                if (parent &&
                    parent.kind === 'OperationDefinition') {
                    return;
                }
                var selections = node.selections;
                if (!selections) {
                    return;
                }
                var skip = selections.some(function (selection) {
                    return (isField(selection) &&
                        (selection.name.value === '__typename' ||
                            selection.name.value.lastIndexOf('__', 0) === 0));
                });
                if (skip) {
                    return;
                }
                var field = parent;
                if (isField(field) &&
                    field.directives &&
                    field.directives.some(function (d) { return d.name.value === 'export'; })) {
                    return;
                }
                return tslib.__assign(tslib.__assign({}, node), { selections: tslib.__spreadArrays(selections, [TYPENAME_FIELD]) });
            },
        },
    });
}
addTypenameToDocument.added = function (field) {
    return field === TYPENAME_FIELD;
};
var connectionRemoveConfig = {
    test: function (directive) {
        var willRemove = directive.name.value === 'connection';
        if (willRemove) {
            if (!directive.arguments ||
                !directive.arguments.some(function (arg) { return arg.name.value === 'key'; })) {
                process.env.NODE_ENV === "production" || tsInvariant.invariant.warn('Removing an @connection directive even though it does not have a key. ' +
                    'You may want to use the key parameter to specify a store key.');
            }
        }
        return willRemove;
    },
};
function removeConnectionDirectiveFromDocument(doc) {
    return removeDirectivesFromDocument([connectionRemoveConfig], checkDocument(doc));
}
function getArgumentMatcher(config) {
    return function argumentMatcher(argument) {
        return config.some(function (aConfig) {
            return argument.value &&
                argument.value.kind === 'Variable' &&
                argument.value.name &&
                (aConfig.name === argument.value.name.value ||
                    (aConfig.test && aConfig.test(argument)));
        });
    };
}
function removeArgumentsFromDocument(config, doc) {
    var argMatcher = getArgumentMatcher(config);
    return nullIfDocIsEmpty(graphql.visit(doc, {
        OperationDefinition: {
            enter: function (node) {
                return tslib.__assign(tslib.__assign({}, node), { variableDefinitions: node.variableDefinitions ? node.variableDefinitions.filter(function (varDef) {
                        return !config.some(function (arg) { return arg.name === varDef.variable.name.value; });
                    }) : [] });
            },
        },
        Field: {
            enter: function (node) {
                var shouldRemoveField = config.some(function (argConfig) { return argConfig.remove; });
                if (shouldRemoveField) {
                    var argMatchCount_1 = 0;
                    if (node.arguments) {
                        node.arguments.forEach(function (arg) {
                            if (argMatcher(arg)) {
                                argMatchCount_1 += 1;
                            }
                        });
                    }
                    if (argMatchCount_1 === 1) {
                        return null;
                    }
                }
            },
        },
        Argument: {
            enter: function (node) {
                if (argMatcher(node)) {
                    return null;
                }
            },
        },
    }));
}
function removeFragmentSpreadFromDocument(config, doc) {
    function enter(node) {
        if (config.some(function (def) { return def.name === node.name.value; })) {
            return null;
        }
    }
    return nullIfDocIsEmpty(graphql.visit(doc, {
        FragmentSpread: { enter: enter },
        FragmentDefinition: { enter: enter },
    }));
}
function getAllFragmentSpreadsFromSelectionSet(selectionSet) {
    var allFragments = [];
    selectionSet.selections.forEach(function (selection) {
        if ((isField(selection) || isInlineFragment(selection)) &&
            selection.selectionSet) {
            getAllFragmentSpreadsFromSelectionSet(selection.selectionSet).forEach(function (frag) { return allFragments.push(frag); });
        }
        else if (selection.kind === 'FragmentSpread') {
            allFragments.push(selection);
        }
    });
    return allFragments;
}
function buildQueryFromSelectionSet(document) {
    var definition = getMainDefinition(document);
    var definitionOperation = definition.operation;
    if (definitionOperation === 'query') {
        return document;
    }
    var modifiedDoc = graphql.visit(document, {
        OperationDefinition: {
            enter: function (node) {
                return tslib.__assign(tslib.__assign({}, node), { operation: 'query' });
            },
        },
    });
    return modifiedDoc;
}
function removeClientSetsFromDocument(document) {
    checkDocument(document);
    var modifiedDoc = removeDirectivesFromDocument([
        {
            test: function (directive) { return directive.name.value === 'client'; },
            remove: true,
        },
    ], document);
    if (modifiedDoc) {
        modifiedDoc = graphql.visit(modifiedDoc, {
            FragmentDefinition: {
                enter: function (node) {
                    if (node.selectionSet) {
                        var isTypenameOnly = node.selectionSet.selections.every(function (selection) {
                            return isField(selection) && selection.name.value === '__typename';
                        });
                        if (isTypenameOnly) {
                            return null;
                        }
                    }
                },
            },
        });
    }
    return modifiedDoc;
}

var hasOwnProperty = Object.prototype.hasOwnProperty;
function mergeDeep() {
    var sources = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        sources[_i] = arguments[_i];
    }
    return mergeDeepArray(sources);
}
function mergeDeepArray(sources) {
    var target = sources[0] || {};
    var count = sources.length;
    if (count > 1) {
        var merger = new DeepMerger();
        for (var i = 1; i < count; ++i) {
            target = merger.merge(target, sources[i]);
        }
    }
    return target;
}
function isObject(obj) {
    return obj !== null && typeof obj === 'object';
}
var defaultReconciler = function (target, source, property) {
    return this.merge(target[property], source[property]);
};
var DeepMerger = (function () {
    function DeepMerger(reconciler) {
        if (reconciler === void 0) { reconciler = defaultReconciler; }
        this.reconciler = reconciler;
        this.isObject = isObject;
        this.pastCopies = new Set();
    }
    DeepMerger.prototype.merge = function (target, source) {
        var _this = this;
        var context = [];
        for (var _i = 2; _i < arguments.length; _i++) {
            context[_i - 2] = arguments[_i];
        }
        if (isObject(source) && isObject(target)) {
            Object.keys(source).forEach(function (sourceKey) {
                if (hasOwnProperty.call(target, sourceKey)) {
                    var targetValue = target[sourceKey];
                    if (source[sourceKey] !== targetValue) {
                        var result = _this.reconciler.apply(_this, tslib.__spreadArrays([target, source, sourceKey], context));
                        if (result !== targetValue) {
                            target = _this.shallowCopyForMerge(target);
                            target[sourceKey] = result;
                        }
                    }
                }
                else {
                    target = _this.shallowCopyForMerge(target);
                    target[sourceKey] = source[sourceKey];
                }
            });
            return target;
        }
        return source;
    };
    DeepMerger.prototype.shallowCopyForMerge = function (value) {
        if (isObject(value) && !this.pastCopies.has(value)) {
            if (Array.isArray(value)) {
                value = value.slice(0);
            }
            else {
                value = tslib.__assign({ __proto__: Object.getPrototypeOf(value) }, value);
            }
            this.pastCopies.add(value);
        }
        return value;
    };
    return DeepMerger;
}());

var toString = Object.prototype.toString;
function cloneDeep(value) {
    return cloneDeepHelper(value);
}
function cloneDeepHelper(val, seen) {
    switch (toString.call(val)) {
        case "[object Array]": {
            seen = seen || new Map;
            if (seen.has(val))
                return seen.get(val);
            var copy_1 = val.slice(0);
            seen.set(val, copy_1);
            copy_1.forEach(function (child, i) {
                copy_1[i] = cloneDeepHelper(child, seen);
            });
            return copy_1;
        }
        case "[object Object]": {
            seen = seen || new Map;
            if (seen.has(val))
                return seen.get(val);
            var copy_2 = Object.create(Object.getPrototypeOf(val));
            seen.set(val, copy_2);
            Object.keys(val).forEach(function (key) {
                copy_2[key] = cloneDeepHelper(val[key], seen);
            });
            return copy_2;
        }
        default:
            return val;
    }
}

function getEnv() {
    if (typeof process !== 'undefined' && process.env.NODE_ENV) {
        return process.env.NODE_ENV;
    }
    return 'development';
}
function isEnv(env) {
    return getEnv() === env;
}
function isDevelopment() {
    return isEnv('development') === true;
}
function isTest() {
    return isEnv('test') === true;
}

function isObject$1(value) {
    return value !== null && typeof value === "object";
}
function deepFreeze(value) {
    var workSet = new Set([value]);
    workSet.forEach(function (obj) {
        if (isObject$1(obj)) {
            if (!Object.isFrozen(obj))
                Object.freeze(obj);
            Object.getOwnPropertyNames(obj).forEach(function (name) {
                if (isObject$1(obj[name]))
                    workSet.add(obj[name]);
            });
        }
    });
    return value;
}
function maybeDeepFreeze(obj) {
    if (process.env.NODE_ENV !== "production" && (isDevelopment() || isTest())) {
        deepFreeze(obj);
    }
    return obj;
}

function iterateObserversSafely(observers, method, argument) {
    var observersWithMethod = [];
    observers.forEach(function (obs) { return obs[method] && observersWithMethod.push(obs); });
    observersWithMethod.forEach(function (obs) { return obs[method](argument); });
}

function asyncMap(observable, mapFn, catchFn) {
    return new Observable(function (observer) {
        var next = observer.next, error = observer.error, complete = observer.complete;
        var activeCallbackCount = 0;
        var completed = false;
        var promiseQueue = {
            then: function (callback) {
                return new Promise(function (resolve) { return resolve(callback()); });
            },
        };
        function makeCallback(examiner, delegate) {
            if (examiner) {
                return function (arg) {
                    ++activeCallbackCount;
                    var both = function () { return examiner(arg); };
                    promiseQueue = promiseQueue.then(both, both).then(function (result) {
                        --activeCallbackCount;
                        next && next.call(observer, result);
                        if (completed) {
                            handler.complete();
                        }
                    }, function (error) {
                        --activeCallbackCount;
                        throw error;
                    }).catch(function (caught) {
                        error && error.call(observer, caught);
                    });
                };
            }
            else {
                return function (arg) { return delegate && delegate.call(observer, arg); };
            }
        }
        var handler = {
            next: makeCallback(mapFn, next),
            error: makeCallback(catchFn, error),
            complete: function () {
                completed = true;
                if (!activeCallbackCount) {
                    complete && complete.call(observer);
                }
            },
        };
        var sub = observable.subscribe(handler);
        return function () { return sub.unsubscribe(); };
    });
}

function fixObservableSubclass(subclass) {
    function set(key) {
        Object.defineProperty(subclass, key, { value: Observable });
    }
    if (typeof Symbol === "function" && Symbol.species) {
        set(Symbol.species);
    }
    set("@@species");
    return subclass;
}

function isPromiseLike(value) {
    return value && typeof value.then === "function";
}
var Concast = (function (_super) {
    tslib.__extends(Concast, _super);
    function Concast(sources) {
        var _this = _super.call(this, function (observer) {
            _this.addObserver(observer);
            return function () { return _this.removeObserver(observer); };
        }) || this;
        _this.observers = new Set();
        _this.addCount = 0;
        _this.promise = new Promise(function (resolve, reject) {
            _this.resolve = resolve;
            _this.reject = reject;
        });
        _this.handlers = {
            next: function (result) {
                if (_this.sub !== null) {
                    _this.latest = ["next", result];
                    iterateObserversSafely(_this.observers, "next", result);
                }
            },
            error: function (error) {
                var sub = _this.sub;
                if (sub !== null) {
                    if (sub)
                        Promise.resolve().then(function () { return sub.unsubscribe(); });
                    _this.sub = null;
                    _this.latest = ["error", error];
                    _this.reject(error);
                    iterateObserversSafely(_this.observers, "error", error);
                }
            },
            complete: function () {
                if (_this.sub !== null) {
                    var value = _this.sources.shift();
                    if (!value) {
                        _this.sub = null;
                        if (_this.latest &&
                            _this.latest[0] === "next") {
                            _this.resolve(_this.latest[1]);
                        }
                        else {
                            _this.resolve();
                        }
                        iterateObserversSafely(_this.observers, "complete");
                    }
                    else if (isPromiseLike(value)) {
                        value.then(function (obs) { return _this.sub = obs.subscribe(_this.handlers); });
                    }
                    else {
                        _this.sub = value.subscribe(_this.handlers);
                    }
                }
            },
        };
        _this.cancel = function (reason) {
            _this.reject(reason);
            _this.sources = [];
            _this.handlers.complete();
        };
        _this.promise.catch(function (_) { });
        if (typeof sources === "function") {
            sources = [new Observable(sources)];
        }
        if (isPromiseLike(sources)) {
            sources.then(function (iterable) { return _this.start(iterable); }, _this.handlers.error);
        }
        else {
            _this.start(sources);
        }
        return _this;
    }
    Concast.prototype.start = function (sources) {
        if (this.sub !== void 0)
            return;
        this.sources = Array.from(sources);
        this.handlers.complete();
    };
    Concast.prototype.deliverLastMessage = function (observer) {
        if (this.latest) {
            var nextOrError = this.latest[0];
            var method = observer[nextOrError];
            if (method) {
                method.call(observer, this.latest[1]);
            }
            if (this.sub === null &&
                nextOrError === "next" &&
                observer.complete) {
                observer.complete();
            }
        }
    };
    Concast.prototype.addObserver = function (observer) {
        if (!this.observers.has(observer)) {
            this.deliverLastMessage(observer);
            this.observers.add(observer);
            ++this.addCount;
        }
    };
    Concast.prototype.removeObserver = function (observer, quietly) {
        if (this.observers.delete(observer) &&
            --this.addCount < 1 &&
            !quietly) {
            this.handlers.error(new Error("Observable cancelled prematurely"));
        }
    };
    Concast.prototype.cleanup = function (callback) {
        var _this = this;
        var called = false;
        var once = function () {
            if (!called) {
                called = true;
                _this.observers.delete(observer);
                callback();
            }
        };
        var observer = {
            next: once,
            error: once,
            complete: once,
        };
        var count = this.addCount;
        this.addObserver(observer);
        this.addCount = count;
    };
    return Concast;
}(Observable));
fixObservableSubclass(Concast);

function isNonEmptyArray(value) {
    return Array.isArray(value) && value.length > 0;
}

function graphQLResultHasError(result) {
    return (result.errors && result.errors.length > 0) || false;
}

var canUseWeakMap = typeof WeakMap === 'function' && !(typeof navigator === 'object' &&
    navigator.product === 'ReactNative');

function compact() {
    var objects = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        objects[_i] = arguments[_i];
    }
    var result = Object.create(null);
    objects.forEach(function (obj) {
        if (!obj)
            return;
        Object.keys(obj).forEach(function (key) {
            var value = obj[key];
            if (value !== void 0) {
                result[key] = value;
            }
        });
    });
    return result;
}

function fromError(errorValue) {
    return new Observable(function (observer) {
        observer.error(errorValue);
    });
}

function toPromise(observable) {
    var completed = false;
    return new Promise(function (resolve, reject) {
        observable.subscribe({
            next: function (data) {
                if (completed) {
                    process.env.NODE_ENV === "production" || tsInvariant.invariant.warn("Promise Wrapper does not support multiple results from Observable");
                }
                else {
                    completed = true;
                    resolve(data);
                }
            },
            error: reject,
        });
    });
}

function fromPromise(promise) {
    return new Observable(function (observer) {
        promise
            .then(function (value) {
            observer.next(value);
            observer.complete();
        })
            .catch(observer.error.bind(observer));
    });
}

var throwServerError = function (response, result, message) {
    var error = new Error(message);
    error.name = 'ServerError';
    error.response = response;
    error.statusCode = response.status;
    error.result = result;
    throw error;
};

function validateOperation(operation) {
    var OPERATION_FIELDS = [
        'query',
        'operationName',
        'variables',
        'extensions',
        'context',
    ];
    for (var _i = 0, _a = Object.keys(operation); _i < _a.length; _i++) {
        var key = _a[_i];
        if (OPERATION_FIELDS.indexOf(key) < 0) {
            throw process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(26) : new tsInvariant.InvariantError("illegal argument: " + key);
        }
    }
    return operation;
}

function createOperation(starting, operation) {
    var context = tslib.__assign({}, starting);
    var setContext = function (next) {
        if (typeof next === 'function') {
            context = tslib.__assign(tslib.__assign({}, context), next(context));
        }
        else {
            context = tslib.__assign(tslib.__assign({}, context), next);
        }
    };
    var getContext = function () { return (tslib.__assign({}, context)); };
    Object.defineProperty(operation, 'setContext', {
        enumerable: false,
        value: setContext,
    });
    Object.defineProperty(operation, 'getContext', {
        enumerable: false,
        value: getContext,
    });
    return operation;
}

function transformOperation(operation) {
    var transformedOperation = {
        variables: operation.variables || {},
        extensions: operation.extensions || {},
        operationName: operation.operationName,
        query: operation.query,
    };
    if (!transformedOperation.operationName) {
        transformedOperation.operationName =
            typeof transformedOperation.query !== 'string'
                ? getOperationName(transformedOperation.query) || undefined
                : '';
    }
    return transformedOperation;
}

function passthrough(op, forward) {
    return (forward ? forward(op) : Observable.of());
}
function toLink(handler) {
    return typeof handler === 'function' ? new ApolloLink(handler) : handler;
}
function isTerminating(link) {
    return link.request.length <= 1;
}
var LinkError = (function (_super) {
    tslib.__extends(LinkError, _super);
    function LinkError(message, link) {
        var _this = _super.call(this, message) || this;
        _this.link = link;
        return _this;
    }
    return LinkError;
}(Error));
var ApolloLink = (function () {
    function ApolloLink(request) {
        if (request)
            this.request = request;
    }
    ApolloLink.empty = function () {
        return new ApolloLink(function () { return Observable.of(); });
    };
    ApolloLink.from = function (links) {
        if (links.length === 0)
            return ApolloLink.empty();
        return links.map(toLink).reduce(function (x, y) { return x.concat(y); });
    };
    ApolloLink.split = function (test, left, right) {
        var leftLink = toLink(left);
        var rightLink = toLink(right || new ApolloLink(passthrough));
        if (isTerminating(leftLink) && isTerminating(rightLink)) {
            return new ApolloLink(function (operation) {
                return test(operation)
                    ? leftLink.request(operation) || Observable.of()
                    : rightLink.request(operation) || Observable.of();
            });
        }
        else {
            return new ApolloLink(function (operation, forward) {
                return test(operation)
                    ? leftLink.request(operation, forward) || Observable.of()
                    : rightLink.request(operation, forward) || Observable.of();
            });
        }
    };
    ApolloLink.execute = function (link, operation) {
        return (link.request(createOperation(operation.context, transformOperation(validateOperation(operation)))) || Observable.of());
    };
    ApolloLink.concat = function (first, second) {
        var firstLink = toLink(first);
        if (isTerminating(firstLink)) {
            process.env.NODE_ENV === "production" || tsInvariant.invariant.warn(new LinkError("You are calling concat on a terminating link, which will have no effect", firstLink));
            return firstLink;
        }
        var nextLink = toLink(second);
        if (isTerminating(nextLink)) {
            return new ApolloLink(function (operation) {
                return firstLink.request(operation, function (op) { return nextLink.request(op) || Observable.of(); }) || Observable.of();
            });
        }
        else {
            return new ApolloLink(function (operation, forward) {
                return (firstLink.request(operation, function (op) {
                    return nextLink.request(op, forward) || Observable.of();
                }) || Observable.of());
            });
        }
    };
    ApolloLink.prototype.split = function (test, left, right) {
        return this.concat(ApolloLink.split(test, left, right || new ApolloLink(passthrough)));
    };
    ApolloLink.prototype.concat = function (next) {
        return ApolloLink.concat(this, next);
    };
    ApolloLink.prototype.request = function (operation, forward) {
        throw process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(21) : new tsInvariant.InvariantError('request is not implemented');
    };
    ApolloLink.prototype.onError = function (error, observer) {
        if (observer && observer.error) {
            observer.error(error);
            return false;
        }
        throw error;
    };
    ApolloLink.prototype.setOnError = function (fn) {
        this.onError = fn;
        return this;
    };
    return ApolloLink;
}());

var empty = ApolloLink.empty;

var from = ApolloLink.from;

var split = ApolloLink.split;

var concat = ApolloLink.concat;

var execute = ApolloLink.execute;

var version = '3.3.20';

var hasOwnProperty$1 = Object.prototype.hasOwnProperty;
function parseAndCheckHttpResponse(operations) {
    return function (response) { return response
        .text()
        .then(function (bodyText) {
        try {
            return JSON.parse(bodyText);
        }
        catch (err) {
            var parseError = err;
            parseError.name = 'ServerParseError';
            parseError.response = response;
            parseError.statusCode = response.status;
            parseError.bodyText = bodyText;
            throw parseError;
        }
    })
        .then(function (result) {
        if (response.status >= 300) {
            throwServerError(response, result, "Response not successful: Received status code " + response.status);
        }
        if (!Array.isArray(result) &&
            !hasOwnProperty$1.call(result, 'data') &&
            !hasOwnProperty$1.call(result, 'errors')) {
            throwServerError(response, result, "Server response was missing for query '" + (Array.isArray(operations)
                ? operations.map(function (op) { return op.operationName; })
                : operations.operationName) + "'.");
        }
        return result;
    }); };
}

var serializeFetchParameter = function (p, label) {
    var serialized;
    try {
        serialized = JSON.stringify(p);
    }
    catch (e) {
        var parseError = process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(23) : new tsInvariant.InvariantError("Network request failed. " + label + " is not serializable: " + e.message);
        parseError.parseError = e;
        throw parseError;
    }
    return serialized;
};

var print = function (node) {
    return graphql.stripIgnoredCharacters(graphql.print(node));
};

var defaultHttpOptions = {
    includeQuery: true,
    includeExtensions: false,
};
var defaultHeaders = {
    accept: '*/*',
    'content-type': 'application/json',
};
var defaultOptions = {
    method: 'POST',
};
var fallbackHttpConfig = {
    http: defaultHttpOptions,
    headers: defaultHeaders,
    options: defaultOptions,
};
var selectHttpOptionsAndBody = function (operation, fallbackConfig) {
    var configs = [];
    for (var _i = 2; _i < arguments.length; _i++) {
        configs[_i - 2] = arguments[_i];
    }
    var options = tslib.__assign(tslib.__assign({}, fallbackConfig.options), { headers: fallbackConfig.headers, credentials: fallbackConfig.credentials });
    var http = fallbackConfig.http || {};
    configs.forEach(function (config) {
        options = tslib.__assign(tslib.__assign(tslib.__assign({}, options), config.options), { headers: tslib.__assign(tslib.__assign({}, options.headers), config.headers) });
        if (config.credentials)
            options.credentials = config.credentials;
        http = tslib.__assign(tslib.__assign({}, http), config.http);
    });
    var operationName = operation.operationName, extensions = operation.extensions, variables = operation.variables, query = operation.query;
    var body = { operationName: operationName, variables: variables };
    if (http.includeExtensions)
        body.extensions = extensions;
    if (http.includeQuery)
        body.query = print(query);
    return {
        options: options,
        body: body,
    };
};

var checkFetcher = function (fetcher) {
    if (!fetcher && typeof fetch === 'undefined') {
        throw process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(22) : new tsInvariant.InvariantError("\n\"fetch\" has not been found globally and no fetcher has been configured. To fix this, install a fetch package (like https://www.npmjs.com/package/cross-fetch), instantiate the fetcher, and pass it into your HttpLink constructor. For example:\n\nimport fetch from 'cross-fetch';\nimport { ApolloClient, HttpLink } from '@apollo/client';\nconst client = new ApolloClient({\n  link: new HttpLink({ uri: '/graphql', fetch })\n});\n    ");
    }
};

var createSignalIfSupported = function () {
    if (typeof AbortController === 'undefined')
        return { controller: false, signal: false };
    var controller = new AbortController();
    var signal = controller.signal;
    return { controller: controller, signal: signal };
};

var selectURI = function (operation, fallbackURI) {
    var context = operation.getContext();
    var contextURI = context.uri;
    if (contextURI) {
        return contextURI;
    }
    else if (typeof fallbackURI === 'function') {
        return fallbackURI(operation);
    }
    else {
        return fallbackURI || '/graphql';
    }
};

function rewriteURIForGET(chosenURI, body) {
    var queryParams = [];
    var addQueryParam = function (key, value) {
        queryParams.push(key + "=" + encodeURIComponent(value));
    };
    if ('query' in body) {
        addQueryParam('query', body.query);
    }
    if (body.operationName) {
        addQueryParam('operationName', body.operationName);
    }
    if (body.variables) {
        var serializedVariables = void 0;
        try {
            serializedVariables = serializeFetchParameter(body.variables, 'Variables map');
        }
        catch (parseError) {
            return { parseError: parseError };
        }
        addQueryParam('variables', serializedVariables);
    }
    if (body.extensions) {
        var serializedExtensions = void 0;
        try {
            serializedExtensions = serializeFetchParameter(body.extensions, 'Extensions map');
        }
        catch (parseError) {
            return { parseError: parseError };
        }
        addQueryParam('extensions', serializedExtensions);
    }
    var fragment = '', preFragment = chosenURI;
    var fragmentStart = chosenURI.indexOf('#');
    if (fragmentStart !== -1) {
        fragment = chosenURI.substr(fragmentStart);
        preFragment = chosenURI.substr(0, fragmentStart);
    }
    var queryParamsPrefix = preFragment.indexOf('?') === -1 ? '?' : '&';
    var newURI = preFragment + queryParamsPrefix + queryParams.join('&') + fragment;
    return { newURI: newURI };
}

var createHttpLink = function (linkOptions) {
    if (linkOptions === void 0) { linkOptions = {}; }
    var _a = linkOptions.uri, uri = _a === void 0 ? '/graphql' : _a, fetcher = linkOptions.fetch, includeExtensions = linkOptions.includeExtensions, useGETForQueries = linkOptions.useGETForQueries, _b = linkOptions.includeUnusedVariables, includeUnusedVariables = _b === void 0 ? false : _b, requestOptions = tslib.__rest(linkOptions, ["uri", "fetch", "includeExtensions", "useGETForQueries", "includeUnusedVariables"]);
    checkFetcher(fetcher);
    if (!fetcher) {
        fetcher = fetch;
    }
    var linkConfig = {
        http: { includeExtensions: includeExtensions },
        options: requestOptions.fetchOptions,
        credentials: requestOptions.credentials,
        headers: requestOptions.headers,
    };
    return new ApolloLink(function (operation) {
        var chosenURI = selectURI(operation, uri);
        var context = operation.getContext();
        var clientAwarenessHeaders = {};
        if (context.clientAwareness) {
            var _a = context.clientAwareness, name_1 = _a.name, version = _a.version;
            if (name_1) {
                clientAwarenessHeaders['apollographql-client-name'] = name_1;
            }
            if (version) {
                clientAwarenessHeaders['apollographql-client-version'] = version;
            }
        }
        var contextHeaders = tslib.__assign(tslib.__assign({}, clientAwarenessHeaders), context.headers);
        var contextConfig = {
            http: context.http,
            options: context.fetchOptions,
            credentials: context.credentials,
            headers: contextHeaders,
        };
        var _b = selectHttpOptionsAndBody(operation, fallbackHttpConfig, linkConfig, contextConfig), options = _b.options, body = _b.body;
        if (body.variables && !includeUnusedVariables) {
            var unusedNames_1 = new Set(Object.keys(body.variables));
            graphql.visit(operation.query, {
                Variable: function (node, _key, parent) {
                    if (parent && parent.kind !== 'VariableDefinition') {
                        unusedNames_1.delete(node.name.value);
                    }
                },
            });
            if (unusedNames_1.size) {
                body.variables = tslib.__assign({}, body.variables);
                unusedNames_1.forEach(function (name) {
                    delete body.variables[name];
                });
            }
        }
        var controller;
        if (!options.signal) {
            var _c = createSignalIfSupported(), _controller = _c.controller, signal = _c.signal;
            controller = _controller;
            if (controller)
                options.signal = signal;
        }
        var definitionIsMutation = function (d) {
            return d.kind === 'OperationDefinition' && d.operation === 'mutation';
        };
        if (useGETForQueries &&
            !operation.query.definitions.some(definitionIsMutation)) {
            options.method = 'GET';
        }
        if (options.method === 'GET') {
            var _d = rewriteURIForGET(chosenURI, body), newURI = _d.newURI, parseError = _d.parseError;
            if (parseError) {
                return fromError(parseError);
            }
            chosenURI = newURI;
        }
        else {
            try {
                options.body = serializeFetchParameter(body, 'Payload');
            }
            catch (parseError) {
                return fromError(parseError);
            }
        }
        return new Observable(function (observer) {
            fetcher(chosenURI, options)
                .then(function (response) {
                operation.setContext({ response: response });
                return response;
            })
                .then(parseAndCheckHttpResponse(operation))
                .then(function (result) {
                observer.next(result);
                observer.complete();
                return result;
            })
                .catch(function (err) {
                if (err.name === 'AbortError')
                    return;
                if (err.result && err.result.errors && err.result.data) {
                    observer.next(err.result);
                }
                observer.error(err);
            });
            return function () {
                if (controller)
                    controller.abort();
            };
        });
    });
};

var HttpLink = (function (_super) {
    tslib.__extends(HttpLink, _super);
    function HttpLink(options) {
        if (options === void 0) { options = {}; }
        var _this = _super.call(this, createHttpLink(options).request) || this;
        _this.options = options;
        return _this;
    }
    return HttpLink;
}(ApolloLink));

function isApolloError(err) {
    return err.hasOwnProperty('graphQLErrors');
}
var generateErrorMessage = function (err) {
    var message = '';
    if (isNonEmptyArray(err.graphQLErrors)) {
        err.graphQLErrors.forEach(function (graphQLError) {
            var errorMessage = graphQLError
                ? graphQLError.message
                : 'Error message not found.';
            message += errorMessage + "\n";
        });
    }
    if (err.networkError) {
        message += err.networkError.message + "\n";
    }
    message = message.replace(/\n$/, '');
    return message;
};
var ApolloError = (function (_super) {
    tslib.__extends(ApolloError, _super);
    function ApolloError(_a) {
        var graphQLErrors = _a.graphQLErrors, networkError = _a.networkError, errorMessage = _a.errorMessage, extraInfo = _a.extraInfo;
        var _this = _super.call(this, errorMessage) || this;
        _this.graphQLErrors = graphQLErrors || [];
        _this.networkError = networkError || null;
        _this.message = errorMessage || generateErrorMessage(_this);
        _this.extraInfo = extraInfo;
        _this.__proto__ = ApolloError.prototype;
        return _this;
    }
    return ApolloError;
}(Error));

(function (NetworkStatus) {
    NetworkStatus[NetworkStatus["loading"] = 1] = "loading";
    NetworkStatus[NetworkStatus["setVariables"] = 2] = "setVariables";
    NetworkStatus[NetworkStatus["fetchMore"] = 3] = "fetchMore";
    NetworkStatus[NetworkStatus["refetch"] = 4] = "refetch";
    NetworkStatus[NetworkStatus["poll"] = 6] = "poll";
    NetworkStatus[NetworkStatus["ready"] = 7] = "ready";
    NetworkStatus[NetworkStatus["error"] = 8] = "error";
})(exports.NetworkStatus || (exports.NetworkStatus = {}));
function isNetworkRequestInFlight(networkStatus) {
    return networkStatus ? networkStatus < 7 : false;
}

var Reobserver = (function () {
    function Reobserver(observer, options, fetch, shouldFetch) {
        this.observer = observer;
        this.options = options;
        this.fetch = fetch;
        this.shouldFetch = shouldFetch;
    }
    Reobserver.prototype.reobserve = function (newOptions, newNetworkStatus) {
        if (newOptions) {
            this.updateOptions(newOptions);
        }
        else {
            this.updatePolling();
        }
        var concast = this.fetch(this.options, newNetworkStatus);
        if (this.concast) {
            this.concast.removeObserver(this.observer, true);
        }
        concast.addObserver(this.observer);
        return (this.concast = concast).promise;
    };
    Reobserver.prototype.updateOptions = function (newOptions) {
        Object.assign(this.options, compact(newOptions));
        this.updatePolling();
        return this;
    };
    Reobserver.prototype.stop = function () {
        if (this.concast) {
            this.concast.removeObserver(this.observer);
            delete this.concast;
        }
        if (this.pollingInfo) {
            clearTimeout(this.pollingInfo.timeout);
            this.options.pollInterval = 0;
            this.updatePolling();
        }
    };
    Reobserver.prototype.updatePolling = function () {
        var _this = this;
        var _a = this, pollingInfo = _a.pollingInfo, pollInterval = _a.options.pollInterval;
        if (!pollInterval) {
            if (pollingInfo) {
                clearTimeout(pollingInfo.timeout);
                delete this.pollingInfo;
            }
            return;
        }
        if (pollingInfo &&
            pollingInfo.interval === pollInterval) {
            return;
        }
        process.env.NODE_ENV === "production" ? tsInvariant.invariant(pollInterval, 20) : tsInvariant.invariant(pollInterval, 'Attempted to start a polling query without a polling interval.');
        if (this.shouldFetch === false) {
            return;
        }
        var info = pollingInfo || (this.pollingInfo = {});
        info.interval = pollInterval;
        var maybeFetch = function () {
            if (_this.pollingInfo) {
                if (_this.shouldFetch && _this.shouldFetch()) {
                    _this.reobserve({
                        fetchPolicy: "network-only",
                        nextFetchPolicy: _this.options.fetchPolicy || "cache-first",
                    }, exports.NetworkStatus.poll).then(poll, poll);
                }
                else {
                    poll();
                }
            }
        };
        var poll = function () {
            var info = _this.pollingInfo;
            if (info) {
                clearTimeout(info.timeout);
                info.timeout = setTimeout(maybeFetch, info.interval);
            }
        };
        poll();
    };
    return Reobserver;
}());

var warnedAboutUpdateQuery = false;
var ObservableQuery = (function (_super) {
    tslib.__extends(ObservableQuery, _super);
    function ObservableQuery(_a) {
        var queryManager = _a.queryManager, queryInfo = _a.queryInfo, options = _a.options;
        var _this = _super.call(this, function (observer) {
            return _this.onSubscribe(observer);
        }) || this;
        _this.observers = new Set();
        _this.subscriptions = new Set();
        _this.observer = {
            next: function (result) {
                if (_this.lastError || _this.isDifferentFromLastResult(result)) {
                    _this.updateLastResult(result);
                    iterateObserversSafely(_this.observers, 'next', result);
                }
            },
            error: function (error) {
                _this.updateLastResult(tslib.__assign(tslib.__assign({}, _this.lastResult), { error: error, errors: error.graphQLErrors, networkStatus: exports.NetworkStatus.error, loading: false }));
                iterateObserversSafely(_this.observers, 'error', _this.lastError = error);
            },
        };
        _this.isTornDown = false;
        _this.options = options;
        _this.queryId = queryManager.generateQueryId();
        var opDef = getOperationDefinition(options.query);
        _this.queryName = opDef && opDef.name && opDef.name.value;
        _this.queryManager = queryManager;
        _this.queryInfo = queryInfo;
        return _this;
    }
    Object.defineProperty(ObservableQuery.prototype, "variables", {
        get: function () {
            return this.options.variables;
        },
        enumerable: false,
        configurable: true
    });
    ObservableQuery.prototype.result = function () {
        var _this = this;
        return new Promise(function (resolve, reject) {
            var observer = {
                next: function (result) {
                    resolve(result);
                    _this.observers.delete(observer);
                    if (!_this.observers.size) {
                        _this.queryManager.removeQuery(_this.queryId);
                    }
                    setTimeout(function () {
                        subscription.unsubscribe();
                    }, 0);
                },
                error: reject,
            };
            var subscription = _this.subscribe(observer);
        });
    };
    ObservableQuery.prototype.getCurrentResult = function (saveAsLastResult) {
        if (saveAsLastResult === void 0) { saveAsLastResult = true; }
        var lastResult = this.lastResult;
        var networkStatus = this.queryInfo.networkStatus ||
            (lastResult && lastResult.networkStatus) ||
            exports.NetworkStatus.ready;
        var result = tslib.__assign(tslib.__assign({}, lastResult), { loading: isNetworkRequestInFlight(networkStatus), networkStatus: networkStatus });
        if (this.isTornDown) {
            return result;
        }
        var _a = this.options.fetchPolicy, fetchPolicy = _a === void 0 ? 'cache-first' : _a;
        if (fetchPolicy === 'no-cache' ||
            fetchPolicy === 'network-only') {
            delete result.partial;
        }
        else if (!result.data ||
            !this.queryManager.transform(this.options.query).hasForcedResolvers) {
            var diff = this.queryInfo.getDiff();
            result.data = (diff.complete ||
                this.options.returnPartialData) ? diff.result : void 0;
            if (diff.complete) {
                if (result.networkStatus === exports.NetworkStatus.loading &&
                    (fetchPolicy === 'cache-first' ||
                        fetchPolicy === 'cache-only')) {
                    result.networkStatus = exports.NetworkStatus.ready;
                    result.loading = false;
                }
                delete result.partial;
            }
            else {
                result.partial = true;
            }
        }
        if (saveAsLastResult) {
            this.updateLastResult(result);
        }
        return result;
    };
    ObservableQuery.prototype.isDifferentFromLastResult = function (newResult) {
        return !equality.equal(this.lastResultSnapshot, newResult);
    };
    ObservableQuery.prototype.getLastResult = function () {
        return this.lastResult;
    };
    ObservableQuery.prototype.getLastError = function () {
        return this.lastError;
    };
    ObservableQuery.prototype.resetLastResults = function () {
        delete this.lastResult;
        delete this.lastResultSnapshot;
        delete this.lastError;
        this.isTornDown = false;
    };
    ObservableQuery.prototype.resetQueryStoreErrors = function () {
        this.queryManager.resetErrors(this.queryId);
    };
    ObservableQuery.prototype.refetch = function (variables) {
        var reobserveOptions = {
            pollInterval: 0,
        };
        var fetchPolicy = this.options.fetchPolicy;
        if (fetchPolicy !== 'no-cache' &&
            fetchPolicy !== 'cache-and-network') {
            reobserveOptions.fetchPolicy = 'network-only';
            reobserveOptions.nextFetchPolicy = fetchPolicy || "cache-first";
        }
        if (variables && !equality.equal(this.options.variables, variables)) {
            reobserveOptions.variables = this.options.variables = tslib.__assign(tslib.__assign({}, this.options.variables), variables);
        }
        return this.newReobserver(false).reobserve(reobserveOptions, exports.NetworkStatus.refetch);
    };
    ObservableQuery.prototype.fetchMore = function (fetchMoreOptions) {
        var _this = this;
        var combinedOptions = tslib.__assign(tslib.__assign({}, (fetchMoreOptions.query ? fetchMoreOptions : tslib.__assign(tslib.__assign(tslib.__assign({}, this.options), fetchMoreOptions), { variables: tslib.__assign(tslib.__assign({}, this.options.variables), fetchMoreOptions.variables) }))), { fetchPolicy: "no-cache" });
        var qid = this.queryManager.generateQueryId();
        if (combinedOptions.notifyOnNetworkStatusChange) {
            this.queryInfo.networkStatus = exports.NetworkStatus.fetchMore;
            this.observe();
        }
        return this.queryManager.fetchQuery(qid, combinedOptions, exports.NetworkStatus.fetchMore).then(function (fetchMoreResult) {
            var data = fetchMoreResult.data;
            var updateQuery = fetchMoreOptions.updateQuery;
            if (updateQuery) {
                if (process.env.NODE_ENV !== "production" &&
                    !warnedAboutUpdateQuery) {
                    process.env.NODE_ENV === "production" || tsInvariant.invariant.warn("The updateQuery callback for fetchMore is deprecated, and will be removed\nin the next major version of Apollo Client.\n\nPlease convert updateQuery functions to field policies with appropriate\nread and merge functions, or use/adapt a helper function (such as\nconcatPagination, offsetLimitPagination, or relayStylePagination) from\n@apollo/client/utilities.\n\nThe field policy system handles pagination more effectively than a\nhand-written updateQuery function, and you only need to define the policy\nonce, rather than every time you call fetchMore.");
                    warnedAboutUpdateQuery = true;
                }
                _this.updateQuery(function (previous) { return updateQuery(previous, {
                    fetchMoreResult: data,
                    variables: combinedOptions.variables,
                }); });
            }
            else {
                _this.queryManager.cache.writeQuery({
                    query: combinedOptions.query,
                    variables: combinedOptions.variables,
                    data: data,
                });
            }
            return fetchMoreResult;
        }).finally(function () {
            _this.queryManager.stopQuery(qid);
            _this.reobserve();
        });
    };
    ObservableQuery.prototype.subscribeToMore = function (options) {
        var _this = this;
        var subscription = this.queryManager
            .startGraphQLSubscription({
            query: options.document,
            variables: options.variables,
            context: options.context,
        })
            .subscribe({
            next: function (subscriptionData) {
                var updateQuery = options.updateQuery;
                if (updateQuery) {
                    _this.updateQuery(function (previous, _a) {
                        var variables = _a.variables;
                        return updateQuery(previous, {
                            subscriptionData: subscriptionData,
                            variables: variables,
                        });
                    });
                }
            },
            error: function (err) {
                if (options.onError) {
                    options.onError(err);
                    return;
                }
                process.env.NODE_ENV === "production" || tsInvariant.invariant.error('Unhandled GraphQL subscription error', err);
            },
        });
        this.subscriptions.add(subscription);
        return function () {
            if (_this.subscriptions.delete(subscription)) {
                subscription.unsubscribe();
            }
        };
    };
    ObservableQuery.prototype.setOptions = function (newOptions) {
        return this.reobserve(newOptions);
    };
    ObservableQuery.prototype.setVariables = function (variables) {
        if (equality.equal(this.variables, variables)) {
            return this.observers.size
                ? this.result()
                : Promise.resolve();
        }
        this.options.variables = variables;
        if (!this.observers.size) {
            return Promise.resolve();
        }
        var _a = this.options.fetchPolicy, fetchPolicy = _a === void 0 ? 'cache-first' : _a;
        var reobserveOptions = {
            fetchPolicy: fetchPolicy,
            variables: variables,
        };
        if (fetchPolicy !== 'cache-first' &&
            fetchPolicy !== 'no-cache' &&
            fetchPolicy !== 'network-only') {
            reobserveOptions.fetchPolicy = 'cache-and-network';
            reobserveOptions.nextFetchPolicy = fetchPolicy;
        }
        return this.reobserve(reobserveOptions, exports.NetworkStatus.setVariables);
    };
    ObservableQuery.prototype.updateQuery = function (mapFn) {
        var _a;
        var queryManager = this.queryManager;
        var result = queryManager.cache.diff({
            query: this.options.query,
            variables: this.variables,
            previousResult: (_a = this.lastResult) === null || _a === void 0 ? void 0 : _a.data,
            returnPartialData: true,
            optimistic: false,
        }).result;
        var newResult = mapFn(result, {
            variables: this.variables,
        });
        if (newResult) {
            queryManager.cache.writeQuery({
                query: this.options.query,
                data: newResult,
                variables: this.variables,
            });
            queryManager.broadcastQueries();
        }
    };
    ObservableQuery.prototype.startPolling = function (pollInterval) {
        this.getReobserver().updateOptions({ pollInterval: pollInterval });
    };
    ObservableQuery.prototype.stopPolling = function () {
        if (this.reobserver) {
            this.reobserver.updateOptions({ pollInterval: 0 });
        }
    };
    ObservableQuery.prototype.updateLastResult = function (newResult) {
        var previousResult = this.lastResult;
        this.lastResult = newResult;
        this.lastResultSnapshot = this.queryManager.assumeImmutableResults
            ? newResult
            : cloneDeep(newResult);
        if (!isNonEmptyArray(newResult.errors)) {
            delete this.lastError;
        }
        return previousResult;
    };
    ObservableQuery.prototype.onSubscribe = function (observer) {
        var _this = this;
        if (observer === this.observer) {
            return function () { };
        }
        try {
            var subObserver = observer._subscription._observer;
            if (subObserver && !subObserver.error) {
                subObserver.error = defaultSubscriptionObserverErrorCallback;
            }
        }
        catch (_a) { }
        var first = !this.observers.size;
        this.observers.add(observer);
        if (this.lastError) {
            observer.error && observer.error(this.lastError);
        }
        else if (this.lastResult) {
            observer.next && observer.next(this.lastResult);
        }
        if (first) {
            this.reobserve().catch(function (_) {
            });
        }
        return function () {
            if (_this.observers.delete(observer) && !_this.observers.size) {
                _this.tearDownQuery();
            }
        };
    };
    ObservableQuery.prototype.getReobserver = function () {
        return this.reobserver || (this.reobserver = this.newReobserver(true));
    };
    ObservableQuery.prototype.newReobserver = function (shareOptions) {
        var _this = this;
        var _a = this, queryManager = _a.queryManager, queryId = _a.queryId;
        queryManager.setObservableQuery(this);
        return new Reobserver(this.observer, shareOptions ? this.options : tslib.__assign({}, this.options), function (currentOptions, newNetworkStatus) {
            queryManager.setObservableQuery(_this);
            return queryManager.fetchQueryObservable(queryId, currentOptions, newNetworkStatus);
        }, !queryManager.ssrMode && (function () { return !isNetworkRequestInFlight(_this.queryInfo.networkStatus); }));
    };
    ObservableQuery.prototype.reobserve = function (newOptions, newNetworkStatus) {
        this.isTornDown = false;
        return this.getReobserver().reobserve(newOptions, newNetworkStatus);
    };
    ObservableQuery.prototype.observe = function () {
        this.observer.next(this.getCurrentResult(false));
    };
    ObservableQuery.prototype.hasObservers = function () {
        return this.observers.size > 0;
    };
    ObservableQuery.prototype.tearDownQuery = function () {
        if (this.isTornDown)
            return;
        if (this.reobserver) {
            this.reobserver.stop();
            delete this.reobserver;
        }
        this.subscriptions.forEach(function (sub) { return sub.unsubscribe(); });
        this.subscriptions.clear();
        this.queryManager.stopQuery(this.queryId);
        this.observers.clear();
        this.isTornDown = true;
    };
    return ObservableQuery;
}(Observable));
fixObservableSubclass(ObservableQuery);
function defaultSubscriptionObserverErrorCallback(error) {
    process.env.NODE_ENV === "production" || tsInvariant.invariant.error('Unhandled error', error.message, error.stack);
}

var ApolloCache = (function () {
    function ApolloCache() {
        this.getFragmentDoc = optimism.wrap(getFragmentQueryDocument);
    }
    ApolloCache.prototype.recordOptimisticTransaction = function (transaction, optimisticId) {
        this.performTransaction(transaction, optimisticId);
    };
    ApolloCache.prototype.transformDocument = function (document) {
        return document;
    };
    ApolloCache.prototype.identify = function (object) {
        return;
    };
    ApolloCache.prototype.gc = function () {
        return [];
    };
    ApolloCache.prototype.modify = function (options) {
        return false;
    };
    ApolloCache.prototype.transformForLink = function (document) {
        return document;
    };
    ApolloCache.prototype.readQuery = function (options, optimistic) {
        if (optimistic === void 0) { optimistic = !!options.optimistic; }
        return this.read({
            rootId: options.id || 'ROOT_QUERY',
            query: options.query,
            variables: options.variables,
            returnPartialData: options.returnPartialData,
            optimistic: optimistic,
        });
    };
    ApolloCache.prototype.readFragment = function (options, optimistic) {
        if (optimistic === void 0) { optimistic = !!options.optimistic; }
        return this.read({
            query: this.getFragmentDoc(options.fragment, options.fragmentName),
            variables: options.variables,
            rootId: options.id,
            returnPartialData: options.returnPartialData,
            optimistic: optimistic,
        });
    };
    ApolloCache.prototype.writeQuery = function (options) {
        return this.write({
            dataId: options.id || 'ROOT_QUERY',
            result: options.data,
            query: options.query,
            variables: options.variables,
            broadcast: options.broadcast,
        });
    };
    ApolloCache.prototype.writeFragment = function (options) {
        return this.write({
            dataId: options.id,
            result: options.data,
            variables: options.variables,
            query: this.getFragmentDoc(options.fragment, options.fragmentName),
            broadcast: options.broadcast,
        });
    };
    return ApolloCache;
}());

(function (Cache) {
})(exports.Cache || (exports.Cache = {}));

var MissingFieldError = (function () {
    function MissingFieldError(message, path, query, clientOnly, variables) {
        this.message = message;
        this.path = path;
        this.query = query;
        this.clientOnly = clientOnly;
        this.variables = variables;
    }
    return MissingFieldError;
}());

var hasOwn = Object.prototype.hasOwnProperty;
function getTypenameFromStoreObject(store, objectOrReference) {
    return isReference(objectOrReference)
        ? store.get(objectOrReference.__ref, "__typename")
        : objectOrReference && objectOrReference.__typename;
}
var TypeOrFieldNameRegExp = /^[_a-z][_0-9a-z]*/i;
function fieldNameFromStoreName(storeFieldName) {
    var match = storeFieldName.match(TypeOrFieldNameRegExp);
    return match ? match[0] : storeFieldName;
}
function selectionSetMatchesResult(selectionSet, result, variables) {
    if (result && typeof result === "object") {
        return Array.isArray(result)
            ? result.every(function (item) { return selectionSetMatchesResult(selectionSet, item, variables); })
            : selectionSet.selections.every(function (field) {
                if (isField(field) && shouldInclude(field, variables)) {
                    var key = resultKeyNameFromField(field);
                    return hasOwn.call(result, key) &&
                        (!field.selectionSet ||
                            selectionSetMatchesResult(field.selectionSet, result[key], variables));
                }
                return true;
            });
    }
    return false;
}
function storeValueIsStoreObject(value) {
    return value !== null &&
        typeof value === "object" &&
        !isReference(value) &&
        !Array.isArray(value);
}
function makeProcessedFieldsMerger() {
    return new DeepMerger;
}

var DELETE = Object.create(null);
var delModifier = function () { return DELETE; };
var INVALIDATE = Object.create(null);
var EntityStore = (function () {
    function EntityStore(policies, group) {
        var _this = this;
        this.policies = policies;
        this.group = group;
        this.data = Object.create(null);
        this.rootIds = Object.create(null);
        this.refs = Object.create(null);
        this.getFieldValue = function (objectOrReference, storeFieldName) { return maybeDeepFreeze(isReference(objectOrReference)
            ? _this.get(objectOrReference.__ref, storeFieldName)
            : objectOrReference && objectOrReference[storeFieldName]); };
        this.canRead = function (objOrRef) {
            return isReference(objOrRef)
                ? _this.has(objOrRef.__ref)
                : typeof objOrRef === "object";
        };
        this.toReference = function (objOrIdOrRef, mergeIntoStore) {
            if (typeof objOrIdOrRef === "string") {
                return makeReference(objOrIdOrRef);
            }
            if (isReference(objOrIdOrRef)) {
                return objOrIdOrRef;
            }
            var id = _this.policies.identify(objOrIdOrRef)[0];
            if (id) {
                var ref = makeReference(id);
                if (mergeIntoStore) {
                    _this.merge(id, objOrIdOrRef);
                }
                return ref;
            }
        };
    }
    EntityStore.prototype.toObject = function () {
        return tslib.__assign({}, this.data);
    };
    EntityStore.prototype.has = function (dataId) {
        return this.lookup(dataId, true) !== void 0;
    };
    EntityStore.prototype.get = function (dataId, fieldName) {
        this.group.depend(dataId, fieldName);
        if (hasOwn.call(this.data, dataId)) {
            var storeObject = this.data[dataId];
            if (storeObject && hasOwn.call(storeObject, fieldName)) {
                return storeObject[fieldName];
            }
        }
        if (fieldName === "__typename" &&
            hasOwn.call(this.policies.rootTypenamesById, dataId)) {
            return this.policies.rootTypenamesById[dataId];
        }
        if (this instanceof Layer) {
            return this.parent.get(dataId, fieldName);
        }
    };
    EntityStore.prototype.lookup = function (dataId, dependOnExistence) {
        if (dependOnExistence)
            this.group.depend(dataId, "__exists");
        if (hasOwn.call(this.data, dataId)) {
            return this.data[dataId];
        }
        if (this instanceof Layer) {
            return this.parent.lookup(dataId, dependOnExistence);
        }
        if (this.policies.rootTypenamesById[dataId]) {
            return Object.create(null);
        }
    };
    EntityStore.prototype.merge = function (dataId, incoming) {
        var _this = this;
        var existing = this.lookup(dataId);
        var merged = new DeepMerger(storeObjectReconciler).merge(existing, incoming);
        this.data[dataId] = merged;
        if (merged !== existing) {
            delete this.refs[dataId];
            if (this.group.caching) {
                var fieldsToDirty_1 = Object.create(null);
                if (!existing)
                    fieldsToDirty_1.__exists = 1;
                Object.keys(incoming).forEach(function (storeFieldName) {
                    if (!existing || existing[storeFieldName] !== merged[storeFieldName]) {
                        fieldsToDirty_1[storeFieldName] = 1;
                        var fieldName = fieldNameFromStoreName(storeFieldName);
                        if (fieldName !== storeFieldName &&
                            !_this.policies.hasKeyArgs(merged.__typename, fieldName)) {
                            fieldsToDirty_1[fieldName] = 1;
                        }
                        if (merged[storeFieldName] === void 0 && !(_this instanceof Layer)) {
                            delete merged[storeFieldName];
                        }
                    }
                });
                Object.keys(fieldsToDirty_1).forEach(function (fieldName) { return _this.group.dirty(dataId, fieldName); });
            }
        }
    };
    EntityStore.prototype.modify = function (dataId, fields) {
        var _this = this;
        var storeObject = this.lookup(dataId);
        if (storeObject) {
            var changedFields_1 = Object.create(null);
            var needToMerge_1 = false;
            var allDeleted_1 = true;
            var sharedDetails_1 = {
                DELETE: DELETE,
                INVALIDATE: INVALIDATE,
                isReference: isReference,
                toReference: this.toReference,
                canRead: this.canRead,
                readField: function (fieldNameOrOptions, from) { return _this.policies.readField(typeof fieldNameOrOptions === "string" ? {
                    fieldName: fieldNameOrOptions,
                    from: from || makeReference(dataId),
                } : fieldNameOrOptions, { store: _this }); },
            };
            Object.keys(storeObject).forEach(function (storeFieldName) {
                var fieldName = fieldNameFromStoreName(storeFieldName);
                var fieldValue = storeObject[storeFieldName];
                if (fieldValue === void 0)
                    return;
                var modify = typeof fields === "function"
                    ? fields
                    : fields[storeFieldName] || fields[fieldName];
                if (modify) {
                    var newValue = modify === delModifier ? DELETE :
                        modify(maybeDeepFreeze(fieldValue), tslib.__assign(tslib.__assign({}, sharedDetails_1), { fieldName: fieldName,
                            storeFieldName: storeFieldName, storage: _this.getStorage(dataId, storeFieldName) }));
                    if (newValue === INVALIDATE) {
                        _this.group.dirty(dataId, storeFieldName);
                    }
                    else {
                        if (newValue === DELETE)
                            newValue = void 0;
                        if (newValue !== fieldValue) {
                            changedFields_1[storeFieldName] = newValue;
                            needToMerge_1 = true;
                            fieldValue = newValue;
                        }
                    }
                }
                if (fieldValue !== void 0) {
                    allDeleted_1 = false;
                }
            });
            if (needToMerge_1) {
                this.merge(dataId, changedFields_1);
                if (allDeleted_1) {
                    if (this instanceof Layer) {
                        this.data[dataId] = void 0;
                    }
                    else {
                        delete this.data[dataId];
                    }
                    this.group.dirty(dataId, "__exists");
                }
                return true;
            }
        }
        return false;
    };
    EntityStore.prototype.delete = function (dataId, fieldName, args) {
        var _a;
        var storeObject = this.lookup(dataId);
        if (storeObject) {
            var typename = this.getFieldValue(storeObject, "__typename");
            var storeFieldName = fieldName && args
                ? this.policies.getStoreFieldName({ typename: typename, fieldName: fieldName, args: args })
                : fieldName;
            return this.modify(dataId, storeFieldName ? (_a = {},
                _a[storeFieldName] = delModifier,
                _a) : delModifier);
        }
        return false;
    };
    EntityStore.prototype.evict = function (options) {
        var evicted = false;
        if (options.id) {
            if (hasOwn.call(this.data, options.id)) {
                evicted = this.delete(options.id, options.fieldName, options.args);
            }
            if (this instanceof Layer) {
                evicted = this.parent.evict(options) || evicted;
            }
            if (options.fieldName || evicted) {
                this.group.dirty(options.id, options.fieldName || "__exists");
            }
        }
        return evicted;
    };
    EntityStore.prototype.clear = function () {
        this.replace(null);
    };
    EntityStore.prototype.extract = function () {
        var _this = this;
        var obj = this.toObject();
        var extraRootIds = [];
        this.getRootIdSet().forEach(function (id) {
            if (!hasOwn.call(_this.policies.rootTypenamesById, id)) {
                extraRootIds.push(id);
            }
        });
        if (extraRootIds.length) {
            obj.__META = { extraRootIds: extraRootIds.sort() };
        }
        return obj;
    };
    EntityStore.prototype.replace = function (newData) {
        var _this = this;
        Object.keys(this.data).forEach(function (dataId) {
            if (!(newData && hasOwn.call(newData, dataId))) {
                _this.delete(dataId);
            }
        });
        if (newData) {
            var __META = newData.__META, rest_1 = tslib.__rest(newData, ["__META"]);
            Object.keys(rest_1).forEach(function (dataId) {
                _this.merge(dataId, rest_1[dataId]);
            });
            if (__META) {
                __META.extraRootIds.forEach(this.retain, this);
            }
        }
    };
    EntityStore.prototype.retain = function (rootId) {
        return this.rootIds[rootId] = (this.rootIds[rootId] || 0) + 1;
    };
    EntityStore.prototype.release = function (rootId) {
        if (this.rootIds[rootId] > 0) {
            var count = --this.rootIds[rootId];
            if (!count)
                delete this.rootIds[rootId];
            return count;
        }
        return 0;
    };
    EntityStore.prototype.getRootIdSet = function (ids) {
        if (ids === void 0) { ids = new Set(); }
        Object.keys(this.rootIds).forEach(ids.add, ids);
        if (this instanceof Layer) {
            this.parent.getRootIdSet(ids);
        }
        else {
            Object.keys(this.policies.rootTypenamesById).forEach(ids.add, ids);
        }
        return ids;
    };
    EntityStore.prototype.gc = function () {
        var _this = this;
        var ids = this.getRootIdSet();
        var snapshot = this.toObject();
        ids.forEach(function (id) {
            if (hasOwn.call(snapshot, id)) {
                Object.keys(_this.findChildRefIds(id)).forEach(ids.add, ids);
                delete snapshot[id];
            }
        });
        var idsToRemove = Object.keys(snapshot);
        if (idsToRemove.length) {
            var root_1 = this;
            while (root_1 instanceof Layer)
                root_1 = root_1.parent;
            idsToRemove.forEach(function (id) { return root_1.delete(id); });
        }
        return idsToRemove;
    };
    EntityStore.prototype.findChildRefIds = function (dataId) {
        if (!hasOwn.call(this.refs, dataId)) {
            var found_1 = this.refs[dataId] = Object.create(null);
            var workSet_1 = new Set([this.data[dataId]]);
            var canTraverse_1 = function (obj) { return obj !== null && typeof obj === 'object'; };
            workSet_1.forEach(function (obj) {
                if (isReference(obj)) {
                    found_1[obj.__ref] = true;
                }
                else if (canTraverse_1(obj)) {
                    Object.values(obj)
                        .filter(canTraverse_1)
                        .forEach(workSet_1.add, workSet_1);
                }
            });
        }
        return this.refs[dataId];
    };
    EntityStore.prototype.makeCacheKey = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        return this.group.keyMaker.lookupArray(args);
    };
    return EntityStore;
}());
var CacheGroup = (function () {
    function CacheGroup(caching) {
        this.caching = caching;
        this.d = null;
        this.keyMaker = new optimism.KeyTrie(canUseWeakMap);
        this.d = caching ? optimism.dep() : null;
    }
    CacheGroup.prototype.depend = function (dataId, storeFieldName) {
        if (this.d) {
            this.d(makeDepKey(dataId, storeFieldName));
            var fieldName = fieldNameFromStoreName(storeFieldName);
            if (fieldName !== storeFieldName) {
                this.d(makeDepKey(dataId, fieldName));
            }
        }
    };
    CacheGroup.prototype.dirty = function (dataId, storeFieldName) {
        if (this.d) {
            this.d.dirty(makeDepKey(dataId, storeFieldName));
        }
    };
    return CacheGroup;
}());
function makeDepKey(dataId, storeFieldName) {
    return storeFieldName + '#' + dataId;
}
(function (EntityStore) {
    var Root = (function (_super) {
        tslib.__extends(Root, _super);
        function Root(_a) {
            var policies = _a.policies, _b = _a.resultCaching, resultCaching = _b === void 0 ? true : _b, seed = _a.seed;
            var _this = _super.call(this, policies, new CacheGroup(resultCaching)) || this;
            _this.storageTrie = new optimism.KeyTrie(canUseWeakMap);
            _this.sharedLayerGroup = new CacheGroup(resultCaching);
            if (seed)
                _this.replace(seed);
            return _this;
        }
        Root.prototype.addLayer = function (layerId, replay) {
            return new Layer(layerId, this, replay, this.sharedLayerGroup);
        };
        Root.prototype.removeLayer = function () {
            return this;
        };
        Root.prototype.getStorage = function () {
            return this.storageTrie.lookupArray(arguments);
        };
        return Root;
    }(EntityStore));
    EntityStore.Root = Root;
})(EntityStore || (EntityStore = {}));
var Layer = (function (_super) {
    tslib.__extends(Layer, _super);
    function Layer(id, parent, replay, group) {
        var _this = _super.call(this, parent.policies, group) || this;
        _this.id = id;
        _this.parent = parent;
        _this.replay = replay;
        _this.group = group;
        replay(_this);
        return _this;
    }
    Layer.prototype.addLayer = function (layerId, replay) {
        return new Layer(layerId, this, replay, this.group);
    };
    Layer.prototype.removeLayer = function (layerId) {
        var _this = this;
        var parent = this.parent.removeLayer(layerId);
        if (layerId === this.id) {
            if (this.group.caching) {
                Object.keys(this.data).forEach(function (dataId) {
                    if (_this.data[dataId] !== parent.lookup(dataId)) {
                        _this.delete(dataId);
                    }
                });
            }
            return parent;
        }
        if (parent === this.parent)
            return this;
        return parent.addLayer(this.id, this.replay);
    };
    Layer.prototype.toObject = function () {
        return tslib.__assign(tslib.__assign({}, this.parent.toObject()), this.data);
    };
    Layer.prototype.findChildRefIds = function (dataId) {
        var fromParent = this.parent.findChildRefIds(dataId);
        return hasOwn.call(this.data, dataId) ? tslib.__assign(tslib.__assign({}, fromParent), _super.prototype.findChildRefIds.call(this, dataId)) : fromParent;
    };
    Layer.prototype.getStorage = function () {
        var p = this.parent;
        while (p.parent)
            p = p.parent;
        return p.getStorage.apply(p, arguments);
    };
    return Layer;
}(EntityStore));
function storeObjectReconciler(existingObject, incomingObject, property) {
    var existingValue = existingObject[property];
    var incomingValue = incomingObject[property];
    return equality.equal(existingValue, incomingValue) ? existingValue : incomingValue;
}
function supportsResultCaching(store) {
    return !!(store instanceof EntityStore && store.group.caching);
}

function missingFromInvariant(err, context) {
    return new MissingFieldError(err.message, context.path.slice(), context.query, context.clientOnly, context.variables);
}
var StoreReader = (function () {
    function StoreReader(config) {
        var _this = this;
        this.config = config;
        this.executeSelectionSet = optimism.wrap(function (options) { return _this.execSelectionSetImpl(options); }, {
            keyArgs: function (options) {
                return [
                    options.selectionSet,
                    options.objectOrReference,
                    options.context,
                ];
            },
            makeCacheKey: function (selectionSet, parent, context) {
                if (supportsResultCaching(context.store)) {
                    return context.store.makeCacheKey(selectionSet, isReference(parent) ? parent.__ref : parent, context.varString);
                }
            }
        });
        this.knownResults = new WeakMap();
        this.executeSubSelectedArray = optimism.wrap(function (options) {
            return _this.execSubSelectedArrayImpl(options);
        }, {
            makeCacheKey: function (_a) {
                var field = _a.field, array = _a.array, context = _a.context;
                if (supportsResultCaching(context.store)) {
                    return context.store.makeCacheKey(field, array, context.varString);
                }
            }
        });
        this.config = tslib.__assign({ addTypename: true }, config);
    }
    StoreReader.prototype.diffQueryAgainstStore = function (_a) {
        var store = _a.store, query = _a.query, _b = _a.rootId, rootId = _b === void 0 ? 'ROOT_QUERY' : _b, variables = _a.variables, _c = _a.returnPartialData, returnPartialData = _c === void 0 ? true : _c;
        var policies = this.config.cache.policies;
        variables = tslib.__assign(tslib.__assign({}, getDefaultValues(getQueryDefinition(query))), variables);
        var execResult = this.executeSelectionSet({
            selectionSet: getMainDefinition(query).selectionSet,
            objectOrReference: makeReference(rootId),
            context: {
                store: store,
                query: query,
                policies: policies,
                variables: variables,
                varString: JSON.stringify(variables),
                fragmentMap: createFragmentMap(getFragmentDefinitions(query)),
                path: [],
                clientOnly: false,
            },
        });
        var hasMissingFields = execResult.missing && execResult.missing.length > 0;
        if (hasMissingFields && !returnPartialData) {
            throw execResult.missing[0];
        }
        return {
            result: execResult.result,
            missing: execResult.missing,
            complete: !hasMissingFields,
        };
    };
    StoreReader.prototype.isFresh = function (result, parent, selectionSet, context) {
        if (supportsResultCaching(context.store) &&
            this.knownResults.get(result) === selectionSet) {
            var latest = this.executeSelectionSet.peek(selectionSet, parent, context);
            if (latest && result === latest.result) {
                return true;
            }
        }
        return false;
    };
    StoreReader.prototype.execSelectionSetImpl = function (_a) {
        var _this = this;
        var selectionSet = _a.selectionSet, objectOrReference = _a.objectOrReference, context = _a.context;
        if (isReference(objectOrReference) &&
            !context.policies.rootTypenamesById[objectOrReference.__ref] &&
            !context.store.has(objectOrReference.__ref)) {
            return {
                result: {},
                missing: [missingFromInvariant(process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(4) : new tsInvariant.InvariantError("Dangling reference to missing " + objectOrReference.__ref + " object"), context)],
            };
        }
        var variables = context.variables, policies = context.policies, store = context.store;
        var objectsToMerge = [];
        var finalResult = { result: null };
        var typename = store.getFieldValue(objectOrReference, "__typename");
        if (this.config.addTypename &&
            typeof typename === "string" &&
            !policies.rootIdsByTypename[typename]) {
            objectsToMerge.push({ __typename: typename });
        }
        function getMissing() {
            return finalResult.missing || (finalResult.missing = []);
        }
        function handleMissing(result) {
            var _a;
            if (result.missing)
                (_a = getMissing()).push.apply(_a, result.missing);
            return result.result;
        }
        var workSet = new Set(selectionSet.selections);
        workSet.forEach(function (selection) {
            var _a;
            if (!shouldInclude(selection, variables))
                return;
            if (isField(selection)) {
                var fieldValue = policies.readField({
                    fieldName: selection.name.value,
                    field: selection,
                    variables: context.variables,
                    from: objectOrReference,
                }, context);
                var resultName = resultKeyNameFromField(selection);
                context.path.push(resultName);
                var wasClientOnly = context.clientOnly;
                context.clientOnly = wasClientOnly || !!(selection.directives &&
                    selection.directives.some(function (d) { return d.name.value === "client"; }));
                if (fieldValue === void 0) {
                    if (!addTypenameToDocument.added(selection)) {
                        getMissing().push(missingFromInvariant(process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(5) : new tsInvariant.InvariantError("Can't find field '" + selection.name.value + "' on " + (isReference(objectOrReference)
                            ? objectOrReference.__ref + " object"
                            : "object " + JSON.stringify(objectOrReference, null, 2))), context));
                    }
                }
                else if (Array.isArray(fieldValue)) {
                    fieldValue = handleMissing(_this.executeSubSelectedArray({
                        field: selection,
                        array: fieldValue,
                        context: context,
                    }));
                }
                else if (!selection.selectionSet) {
                    if (process.env.NODE_ENV !== 'production') {
                        assertSelectionSetForIdValue(context.store, selection, fieldValue);
                        maybeDeepFreeze(fieldValue);
                    }
                }
                else if (fieldValue != null) {
                    fieldValue = handleMissing(_this.executeSelectionSet({
                        selectionSet: selection.selectionSet,
                        objectOrReference: fieldValue,
                        context: context,
                    }));
                }
                if (fieldValue !== void 0) {
                    objectsToMerge.push((_a = {}, _a[resultName] = fieldValue, _a));
                }
                context.clientOnly = wasClientOnly;
                tsInvariant.invariant(context.path.pop() === resultName);
            }
            else {
                var fragment = getFragmentFromSelection(selection, context.fragmentMap);
                if (fragment && policies.fragmentMatches(fragment, typename)) {
                    fragment.selectionSet.selections.forEach(workSet.add, workSet);
                }
            }
        });
        finalResult.result = mergeDeepArray(objectsToMerge);
        if (process.env.NODE_ENV !== 'production') {
            Object.freeze(finalResult.result);
        }
        this.knownResults.set(finalResult.result, selectionSet);
        return finalResult;
    };
    StoreReader.prototype.execSubSelectedArrayImpl = function (_a) {
        var _this = this;
        var field = _a.field, array = _a.array, context = _a.context;
        var missing;
        function handleMissing(childResult, i) {
            if (childResult.missing) {
                missing = missing || [];
                missing.push.apply(missing, childResult.missing);
            }
            tsInvariant.invariant(context.path.pop() === i);
            return childResult.result;
        }
        if (field.selectionSet) {
            array = array.filter(context.store.canRead);
        }
        array = array.map(function (item, i) {
            if (item === null) {
                return null;
            }
            context.path.push(i);
            if (Array.isArray(item)) {
                return handleMissing(_this.executeSubSelectedArray({
                    field: field,
                    array: item,
                    context: context,
                }), i);
            }
            if (field.selectionSet) {
                return handleMissing(_this.executeSelectionSet({
                    selectionSet: field.selectionSet,
                    objectOrReference: item,
                    context: context,
                }), i);
            }
            if (process.env.NODE_ENV !== 'production') {
                assertSelectionSetForIdValue(context.store, field, item);
            }
            tsInvariant.invariant(context.path.pop() === i);
            return item;
        });
        if (process.env.NODE_ENV !== 'production') {
            Object.freeze(array);
        }
        return { result: array, missing: missing };
    };
    return StoreReader;
}());
function assertSelectionSetForIdValue(store, field, fieldValue) {
    if (!field.selectionSet) {
        var workSet_1 = new Set([fieldValue]);
        workSet_1.forEach(function (value) {
            if (value && typeof value === "object") {
                process.env.NODE_ENV === "production" ? tsInvariant.invariant(!isReference(value), 6) : tsInvariant.invariant(!isReference(value), "Missing selection set for object of type " + getTypenameFromStoreObject(store, value) + " returned for query field " + field.name.value);
                Object.values(value).forEach(workSet_1.add, workSet_1);
            }
        });
    }
}

var StoreWriter = (function () {
    function StoreWriter(cache, reader) {
        this.cache = cache;
        this.reader = reader;
    }
    StoreWriter.prototype.writeToStore = function (_a) {
        var query = _a.query, result = _a.result, dataId = _a.dataId, store = _a.store, variables = _a.variables;
        var operationDefinition = getOperationDefinition(query);
        var merger = makeProcessedFieldsMerger();
        variables = tslib.__assign(tslib.__assign({}, getDefaultValues(operationDefinition)), variables);
        var ref = this.processSelectionSet({
            result: result || Object.create(null),
            dataId: dataId,
            selectionSet: operationDefinition.selectionSet,
            mergeTree: { map: new Map },
            context: {
                store: store,
                written: Object.create(null),
                merge: function (existing, incoming) {
                    return merger.merge(existing, incoming);
                },
                variables: variables,
                varString: JSON.stringify(variables),
                fragmentMap: createFragmentMap(getFragmentDefinitions(query)),
            },
        });
        if (!isReference(ref)) {
            throw process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(7) : new tsInvariant.InvariantError("Could not identify object " + JSON.stringify(result));
        }
        store.retain(ref.__ref);
        return ref;
    };
    StoreWriter.prototype.processSelectionSet = function (_a) {
        var _this = this;
        var dataId = _a.dataId, result = _a.result, selectionSet = _a.selectionSet, context = _a.context, mergeTree = _a.mergeTree;
        var policies = this.cache.policies;
        var _b = policies.identify(result, selectionSet, context.fragmentMap), id = _b[0], keyObject = _b[1];
        dataId = dataId || id;
        if ("string" === typeof dataId) {
            var sets = context.written[dataId] || (context.written[dataId] = []);
            var ref = makeReference(dataId);
            if (sets.indexOf(selectionSet) >= 0)
                return ref;
            sets.push(selectionSet);
            if (this.reader && this.reader.isFresh(result, ref, selectionSet, context)) {
                return ref;
            }
        }
        var incomingFields = Object.create(null);
        if (keyObject) {
            incomingFields = context.merge(incomingFields, keyObject);
        }
        var typename = (dataId && policies.rootTypenamesById[dataId]) ||
            getTypenameFromResult(result, selectionSet, context.fragmentMap) ||
            (dataId && context.store.get(dataId, "__typename"));
        if ("string" === typeof typename) {
            incomingFields.__typename = typename;
        }
        var workSet = new Set(selectionSet.selections);
        workSet.forEach(function (selection) {
            var _a;
            if (!shouldInclude(selection, context.variables))
                return;
            if (isField(selection)) {
                var resultFieldKey = resultKeyNameFromField(selection);
                var value = result[resultFieldKey];
                if (typeof value !== 'undefined') {
                    var storeFieldName = policies.getStoreFieldName({
                        typename: typename,
                        fieldName: selection.name.value,
                        field: selection,
                        variables: context.variables,
                    });
                    var childTree = getChildMergeTree(mergeTree, storeFieldName);
                    var incomingValue = _this.processFieldValue(value, selection, context, childTree);
                    var childTypename = selection.selectionSet
                        && context.store.getFieldValue(incomingValue, "__typename")
                        || void 0;
                    var merge = policies.getMergeFunction(typename, selection.name.value, childTypename);
                    if (merge) {
                        childTree.info = {
                            field: selection,
                            typename: typename,
                            merge: merge,
                        };
                    }
                    else {
                        maybeRecycleChildMergeTree(mergeTree, storeFieldName);
                    }
                    incomingFields = context.merge(incomingFields, (_a = {},
                        _a[storeFieldName] = incomingValue,
                        _a));
                }
                else if (policies.usingPossibleTypes &&
                    !hasDirectives(["defer", "client"], selection)) {
                    throw process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(8) : new tsInvariant.InvariantError("Missing field '" + resultFieldKey + "' in " + JSON.stringify(result, null, 2).substring(0, 100));
                }
            }
            else {
                var fragment = getFragmentFromSelection(selection, context.fragmentMap);
                if (fragment &&
                    policies.fragmentMatches(fragment, typename, result, context.variables)) {
                    fragment.selectionSet.selections.forEach(workSet.add, workSet);
                }
            }
        });
        if ("string" === typeof dataId) {
            var entityRef_1 = makeReference(dataId);
            if (mergeTree.map.size) {
                incomingFields = this.applyMerges(mergeTree, entityRef_1, incomingFields, context);
            }
            if (process.env.NODE_ENV !== "production") {
                var hasSelectionSet_1 = function (storeFieldName) {
                    return fieldsWithSelectionSets_1.has(fieldNameFromStoreName(storeFieldName));
                };
                var fieldsWithSelectionSets_1 = new Set();
                workSet.forEach(function (selection) {
                    if (isField(selection) && selection.selectionSet) {
                        fieldsWithSelectionSets_1.add(selection.name.value);
                    }
                });
                var hasMergeFunction_1 = function (storeFieldName) {
                    var childTree = mergeTree.map.get(storeFieldName);
                    return Boolean(childTree && childTree.info && childTree.info.merge);
                };
                Object.keys(incomingFields).forEach(function (storeFieldName) {
                    if (hasSelectionSet_1(storeFieldName) &&
                        !hasMergeFunction_1(storeFieldName)) {
                        warnAboutDataLoss(entityRef_1, incomingFields, storeFieldName, context.store);
                    }
                });
            }
            context.store.merge(dataId, incomingFields);
            return entityRef_1;
        }
        return incomingFields;
    };
    StoreWriter.prototype.processFieldValue = function (value, field, context, mergeTree) {
        var _this = this;
        if (!field.selectionSet || value === null) {
            return process.env.NODE_ENV === 'production' ? value : cloneDeep(value);
        }
        if (Array.isArray(value)) {
            return value.map(function (item, i) {
                var value = _this.processFieldValue(item, field, context, getChildMergeTree(mergeTree, i));
                maybeRecycleChildMergeTree(mergeTree, i);
                return value;
            });
        }
        return this.processSelectionSet({
            result: value,
            selectionSet: field.selectionSet,
            context: context,
            mergeTree: mergeTree,
        });
    };
    StoreWriter.prototype.applyMerges = function (mergeTree, existing, incoming, context, getStorageArgs) {
        var _a;
        var _this = this;
        if (mergeTree.map.size && !isReference(incoming)) {
            var e_1 = (!Array.isArray(incoming) &&
                (isReference(existing) || storeValueIsStoreObject(existing))) ? existing : void 0;
            var i_1 = incoming;
            if (e_1 && !getStorageArgs) {
                getStorageArgs = [isReference(e_1) ? e_1.__ref : e_1];
            }
            var changedFields_1;
            var getValue_1 = function (from, name) {
                return Array.isArray(from)
                    ? (typeof name === "number" ? from[name] : void 0)
                    : context.store.getFieldValue(from, String(name));
            };
            mergeTree.map.forEach(function (childTree, storeFieldName) {
                if (getStorageArgs) {
                    getStorageArgs.push(storeFieldName);
                }
                var eVal = getValue_1(e_1, storeFieldName);
                var iVal = getValue_1(i_1, storeFieldName);
                var aVal = _this.applyMerges(childTree, eVal, iVal, context, getStorageArgs);
                if (aVal !== iVal) {
                    changedFields_1 = changedFields_1 || new Map;
                    changedFields_1.set(storeFieldName, aVal);
                }
                if (getStorageArgs) {
                    tsInvariant.invariant(getStorageArgs.pop() === storeFieldName);
                }
            });
            if (changedFields_1) {
                incoming = (Array.isArray(i_1) ? i_1.slice(0) : tslib.__assign({}, i_1));
                changedFields_1.forEach(function (value, name) {
                    incoming[name] = value;
                });
            }
        }
        if (mergeTree.info) {
            return this.cache.policies.runMergeFunction(existing, incoming, mergeTree.info, context, getStorageArgs && (_a = context.store).getStorage.apply(_a, getStorageArgs));
        }
        return incoming;
    };
    return StoreWriter;
}());
var emptyMergeTreePool = [];
function getChildMergeTree(_a, name) {
    var map = _a.map;
    if (!map.has(name)) {
        map.set(name, emptyMergeTreePool.pop() || { map: new Map });
    }
    return map.get(name);
}
function maybeRecycleChildMergeTree(_a, name) {
    var map = _a.map;
    var childTree = map.get(name);
    if (childTree &&
        !childTree.info &&
        !childTree.map.size) {
        emptyMergeTreePool.push(childTree);
        map.delete(name);
    }
}
var warnings = new Set();
function warnAboutDataLoss(existingRef, incomingObj, storeFieldName, store) {
    var getChild = function (objOrRef) {
        var child = store.getFieldValue(objOrRef, storeFieldName);
        return typeof child === "object" && child;
    };
    var existing = getChild(existingRef);
    if (!existing)
        return;
    var incoming = getChild(incomingObj);
    if (!incoming)
        return;
    if (isReference(existing))
        return;
    if (equality.equal(existing, incoming))
        return;
    if (Object.keys(existing).every(function (key) { return store.getFieldValue(incoming, key) !== void 0; })) {
        return;
    }
    var parentType = store.getFieldValue(existingRef, "__typename") ||
        store.getFieldValue(incomingObj, "__typename");
    var fieldName = fieldNameFromStoreName(storeFieldName);
    var typeDotName = parentType + "." + fieldName;
    if (warnings.has(typeDotName))
        return;
    warnings.add(typeDotName);
    var childTypenames = [];
    if (!Array.isArray(existing) &&
        !Array.isArray(incoming)) {
        [existing, incoming].forEach(function (child) {
            var typename = store.getFieldValue(child, "__typename");
            if (typeof typename === "string" &&
                !childTypenames.includes(typename)) {
                childTypenames.push(typename);
            }
        });
    }
    process.env.NODE_ENV === "production" || tsInvariant.invariant.warn("Cache data may be lost when replacing the " + fieldName + " field of a " + parentType + " object.\n\nTo address this problem (which is not a bug in Apollo Client), " + (childTypenames.length
        ? "either ensure all objects of type " +
            childTypenames.join(" and ") + " have an ID or a custom merge function, or "
        : "") + "define a custom merge function for the " + typeDotName + " field, so InMemoryCache can safely merge these objects:\n\n  existing: " + JSON.stringify(existing).slice(0, 1000) + "\n  incoming: " + JSON.stringify(incoming).slice(0, 1000) + "\n\nFor more information about these options, please refer to the documentation:\n\n  * Ensuring entity objects have IDs: https://go.apollo.dev/c/generating-unique-identifiers\n  * Defining custom merge functions: https://go.apollo.dev/c/merging-non-normalized-objects\n");
}

var cacheSlot = new context.Slot();
var cacheInfoMap = new WeakMap();
function getCacheInfo(cache) {
    var info = cacheInfoMap.get(cache);
    if (!info) {
        cacheInfoMap.set(cache, info = {
            vars: new Set,
            dep: optimism.dep(),
        });
    }
    return info;
}
function forgetCache(cache) {
    getCacheInfo(cache).vars.forEach(function (rv) { return rv.forgetCache(cache); });
}
function recallCache(cache) {
    getCacheInfo(cache).vars.forEach(function (rv) { return rv.attachCache(cache); });
}
function makeVar(value) {
    var caches = new Set();
    var listeners = new Set();
    var rv = function (newValue) {
        if (arguments.length > 0) {
            if (value !== newValue) {
                value = newValue;
                caches.forEach(function (cache) {
                    getCacheInfo(cache).dep.dirty(rv);
                    broadcast(cache);
                });
                var oldListeners = Array.from(listeners);
                listeners.clear();
                oldListeners.forEach(function (listener) { return listener(value); });
            }
        }
        else {
            var cache = cacheSlot.getValue();
            if (cache) {
                attach(cache);
                getCacheInfo(cache).dep(rv);
            }
        }
        return value;
    };
    rv.onNextChange = function (listener) {
        listeners.add(listener);
        return function () {
            listeners.delete(listener);
        };
    };
    var attach = rv.attachCache = function (cache) {
        caches.add(cache);
        getCacheInfo(cache).vars.add(rv);
        return rv;
    };
    rv.forgetCache = function (cache) { return caches.delete(cache); };
    return rv;
}
function broadcast(cache) {
    if (cache.broadcastWatches) {
        cache.broadcastWatches();
    }
}

function argsFromFieldSpecifier(spec) {
    return spec.args !== void 0 ? spec.args :
        spec.field ? argumentsObjectFromField(spec.field, spec.variables) : null;
}
var defaultDataIdFromObject = function (_a, context) {
    var __typename = _a.__typename, id = _a.id, _id = _a._id;
    if (typeof __typename === "string") {
        if (context) {
            context.keyObject =
                id !== void 0 ? { id: id } :
                    _id !== void 0 ? { _id: _id } :
                        void 0;
        }
        if (id === void 0)
            id = _id;
        if (id !== void 0) {
            return __typename + ":" + ((typeof id === "number" ||
                typeof id === "string") ? id : JSON.stringify(id));
        }
    }
};
var nullKeyFieldsFn = function () { return void 0; };
var simpleKeyArgsFn = function (_args, context) { return context.fieldName; };
var mergeTrueFn = function (existing, incoming, _a) {
    var mergeObjects = _a.mergeObjects;
    return mergeObjects(existing, incoming);
};
var mergeFalseFn = function (_, incoming) { return incoming; };
var Policies = (function () {
    function Policies(config) {
        this.config = config;
        this.typePolicies = Object.create(null);
        this.toBeAdded = Object.create(null);
        this.supertypeMap = new Map();
        this.fuzzySubtypes = new Map();
        this.rootIdsByTypename = Object.create(null);
        this.rootTypenamesById = Object.create(null);
        this.usingPossibleTypes = false;
        this.config = tslib.__assign({ dataIdFromObject: defaultDataIdFromObject }, config);
        this.cache = this.config.cache;
        this.setRootTypename("Query");
        this.setRootTypename("Mutation");
        this.setRootTypename("Subscription");
        if (config.possibleTypes) {
            this.addPossibleTypes(config.possibleTypes);
        }
        if (config.typePolicies) {
            this.addTypePolicies(config.typePolicies);
        }
    }
    Policies.prototype.identify = function (object, selectionSet, fragmentMap) {
        var typename = selectionSet && fragmentMap
            ? getTypenameFromResult(object, selectionSet, fragmentMap)
            : object.__typename;
        if (typename === this.rootTypenamesById.ROOT_QUERY) {
            return ["ROOT_QUERY"];
        }
        var context = {
            typename: typename,
            selectionSet: selectionSet,
            fragmentMap: fragmentMap,
        };
        var id;
        var policy = typename && this.getTypePolicy(typename);
        var keyFn = policy && policy.keyFn || this.config.dataIdFromObject;
        while (keyFn) {
            var specifierOrId = keyFn(object, context);
            if (Array.isArray(specifierOrId)) {
                keyFn = keyFieldsFnFromSpecifier(specifierOrId);
            }
            else {
                id = specifierOrId;
                break;
            }
        }
        id = id ? String(id) : void 0;
        return context.keyObject ? [id, context.keyObject] : [id];
    };
    Policies.prototype.addTypePolicies = function (typePolicies) {
        var _this = this;
        Object.keys(typePolicies).forEach(function (typename) {
            var _a = typePolicies[typename], queryType = _a.queryType, mutationType = _a.mutationType, subscriptionType = _a.subscriptionType, incoming = tslib.__rest(_a, ["queryType", "mutationType", "subscriptionType"]);
            if (queryType)
                _this.setRootTypename("Query", typename);
            if (mutationType)
                _this.setRootTypename("Mutation", typename);
            if (subscriptionType)
                _this.setRootTypename("Subscription", typename);
            if (hasOwn.call(_this.toBeAdded, typename)) {
                _this.toBeAdded[typename].push(incoming);
            }
            else {
                _this.toBeAdded[typename] = [incoming];
            }
        });
    };
    Policies.prototype.updateTypePolicy = function (typename, incoming) {
        var _this = this;
        var existing = this.getTypePolicy(typename);
        var keyFields = incoming.keyFields, fields = incoming.fields;
        function setMerge(existing, merge) {
            existing.merge =
                typeof merge === "function" ? merge :
                    merge === true ? mergeTrueFn :
                        merge === false ? mergeFalseFn :
                            existing.merge;
        }
        setMerge(existing, incoming.merge);
        existing.keyFn =
            keyFields === false ? nullKeyFieldsFn :
                Array.isArray(keyFields) ? keyFieldsFnFromSpecifier(keyFields) :
                    typeof keyFields === "function" ? keyFields :
                        existing.keyFn;
        if (fields) {
            Object.keys(fields).forEach(function (fieldName) {
                var existing = _this.getFieldPolicy(typename, fieldName, true);
                var incoming = fields[fieldName];
                if (typeof incoming === "function") {
                    existing.read = incoming;
                }
                else {
                    var keyArgs = incoming.keyArgs, read = incoming.read, merge = incoming.merge;
                    existing.keyFn =
                        keyArgs === false ? simpleKeyArgsFn :
                            Array.isArray(keyArgs) ? keyArgsFnFromSpecifier(keyArgs) :
                                typeof keyArgs === "function" ? keyArgs :
                                    existing.keyFn;
                    if (typeof read === "function") {
                        existing.read = read;
                    }
                    setMerge(existing, merge);
                }
                if (existing.read && existing.merge) {
                    existing.keyFn = existing.keyFn || simpleKeyArgsFn;
                }
            });
        }
    };
    Policies.prototype.setRootTypename = function (which, typename) {
        if (typename === void 0) { typename = which; }
        var rootId = "ROOT_" + which.toUpperCase();
        var old = this.rootTypenamesById[rootId];
        if (typename !== old) {
            process.env.NODE_ENV === "production" ? tsInvariant.invariant(!old || old === which, 1) : tsInvariant.invariant(!old || old === which, "Cannot change root " + which + " __typename more than once");
            if (old)
                delete this.rootIdsByTypename[old];
            this.rootIdsByTypename[typename] = rootId;
            this.rootTypenamesById[rootId] = typename;
        }
    };
    Policies.prototype.addPossibleTypes = function (possibleTypes) {
        var _this = this;
        this.usingPossibleTypes = true;
        Object.keys(possibleTypes).forEach(function (supertype) {
            _this.getSupertypeSet(supertype, true);
            possibleTypes[supertype].forEach(function (subtype) {
                _this.getSupertypeSet(subtype, true).add(supertype);
                var match = subtype.match(TypeOrFieldNameRegExp);
                if (!match || match[0] !== subtype) {
                    _this.fuzzySubtypes.set(subtype, new RegExp(subtype));
                }
            });
        });
    };
    Policies.prototype.getTypePolicy = function (typename) {
        var _this = this;
        if (!hasOwn.call(this.typePolicies, typename)) {
            var policy_1 = this.typePolicies[typename] = Object.create(null);
            policy_1.fields = Object.create(null);
            var supertypes = this.supertypeMap.get(typename);
            if (supertypes && supertypes.size) {
                supertypes.forEach(function (supertype) {
                    var _a = _this.getTypePolicy(supertype), fields = _a.fields, rest = tslib.__rest(_a, ["fields"]);
                    Object.assign(policy_1, rest);
                    Object.assign(policy_1.fields, fields);
                });
            }
        }
        var inbox = this.toBeAdded[typename];
        if (inbox && inbox.length) {
            inbox.splice(0).forEach(function (policy) {
                _this.updateTypePolicy(typename, policy);
            });
        }
        return this.typePolicies[typename];
    };
    Policies.prototype.getFieldPolicy = function (typename, fieldName, createIfMissing) {
        if (typename) {
            var fieldPolicies = this.getTypePolicy(typename).fields;
            return fieldPolicies[fieldName] || (createIfMissing && (fieldPolicies[fieldName] = Object.create(null)));
        }
    };
    Policies.prototype.getSupertypeSet = function (subtype, createIfMissing) {
        var supertypeSet = this.supertypeMap.get(subtype);
        if (!supertypeSet && createIfMissing) {
            this.supertypeMap.set(subtype, supertypeSet = new Set());
        }
        return supertypeSet;
    };
    Policies.prototype.fragmentMatches = function (fragment, typename, result, variables) {
        var _this = this;
        if (!fragment.typeCondition)
            return true;
        if (!typename)
            return false;
        var supertype = fragment.typeCondition.name.value;
        if (typename === supertype)
            return true;
        if (this.usingPossibleTypes &&
            this.supertypeMap.has(supertype)) {
            var typenameSupertypeSet = this.getSupertypeSet(typename, true);
            var workQueue_1 = [typenameSupertypeSet];
            var maybeEnqueue_1 = function (subtype) {
                var supertypeSet = _this.getSupertypeSet(subtype, false);
                if (supertypeSet &&
                    supertypeSet.size &&
                    workQueue_1.indexOf(supertypeSet) < 0) {
                    workQueue_1.push(supertypeSet);
                }
            };
            var needToCheckFuzzySubtypes = !!(result && this.fuzzySubtypes.size);
            var checkingFuzzySubtypes = false;
            for (var i = 0; i < workQueue_1.length; ++i) {
                var supertypeSet = workQueue_1[i];
                if (supertypeSet.has(supertype)) {
                    if (!typenameSupertypeSet.has(supertype)) {
                        if (checkingFuzzySubtypes) {
                            process.env.NODE_ENV === "production" || tsInvariant.invariant.warn("Inferring subtype " + typename + " of supertype " + supertype);
                        }
                        typenameSupertypeSet.add(supertype);
                    }
                    return true;
                }
                supertypeSet.forEach(maybeEnqueue_1);
                if (needToCheckFuzzySubtypes &&
                    i === workQueue_1.length - 1 &&
                    selectionSetMatchesResult(fragment.selectionSet, result, variables)) {
                    needToCheckFuzzySubtypes = false;
                    checkingFuzzySubtypes = true;
                    this.fuzzySubtypes.forEach(function (regExp, fuzzyString) {
                        var match = typename.match(regExp);
                        if (match && match[0] === typename) {
                            maybeEnqueue_1(fuzzyString);
                        }
                    });
                }
            }
        }
        return false;
    };
    Policies.prototype.hasKeyArgs = function (typename, fieldName) {
        var policy = this.getFieldPolicy(typename, fieldName, false);
        return !!(policy && policy.keyFn);
    };
    Policies.prototype.getStoreFieldName = function (fieldSpec) {
        var typename = fieldSpec.typename, fieldName = fieldSpec.fieldName;
        var policy = this.getFieldPolicy(typename, fieldName, false);
        var storeFieldName;
        var keyFn = policy && policy.keyFn;
        if (keyFn && typename) {
            var context = {
                typename: typename,
                fieldName: fieldName,
                field: fieldSpec.field || null,
                variables: fieldSpec.variables,
            };
            var args = argsFromFieldSpecifier(fieldSpec);
            while (keyFn) {
                var specifierOrString = keyFn(args, context);
                if (Array.isArray(specifierOrString)) {
                    keyFn = keyArgsFnFromSpecifier(specifierOrString);
                }
                else {
                    storeFieldName = specifierOrString || fieldName;
                    break;
                }
            }
        }
        if (storeFieldName === void 0) {
            storeFieldName = fieldSpec.field
                ? storeKeyNameFromField(fieldSpec.field, fieldSpec.variables)
                : getStoreKeyName(fieldName, argsFromFieldSpecifier(fieldSpec));
        }
        if (storeFieldName === false) {
            return fieldName;
        }
        return fieldName === fieldNameFromStoreName(storeFieldName)
            ? storeFieldName
            : fieldName + ":" + storeFieldName;
    };
    Policies.prototype.readField = function (options, context) {
        var objectOrReference = options.from;
        if (!objectOrReference)
            return;
        var nameOrField = options.field || options.fieldName;
        if (!nameOrField)
            return;
        if (options.typename === void 0) {
            var typename = context.store.getFieldValue(objectOrReference, "__typename");
            if (typename)
                options.typename = typename;
        }
        var storeFieldName = this.getStoreFieldName(options);
        var fieldName = fieldNameFromStoreName(storeFieldName);
        var existing = context.store.getFieldValue(objectOrReference, storeFieldName);
        var policy = this.getFieldPolicy(options.typename, fieldName, false);
        var read = policy && policy.read;
        if (read) {
            var readOptions = makeFieldFunctionOptions(this, objectOrReference, options, context, context.store.getStorage(isReference(objectOrReference)
                ? objectOrReference.__ref
                : objectOrReference, storeFieldName));
            return cacheSlot.withValue(this.cache, read, [existing, readOptions]);
        }
        return existing;
    };
    Policies.prototype.getMergeFunction = function (parentTypename, fieldName, childTypename) {
        var policy = this.getFieldPolicy(parentTypename, fieldName, false);
        var merge = policy && policy.merge;
        if (!merge && childTypename) {
            policy = this.getTypePolicy(childTypename);
            merge = policy && policy.merge;
        }
        return merge;
    };
    Policies.prototype.runMergeFunction = function (existing, incoming, _a, context, storage) {
        var field = _a.field, typename = _a.typename, merge = _a.merge;
        if (merge === mergeTrueFn) {
            return makeMergeObjectsFunction(context.store.getFieldValue)(existing, incoming);
        }
        if (merge === mergeFalseFn) {
            return incoming;
        }
        return merge(existing, incoming, makeFieldFunctionOptions(this, void 0, { typename: typename, fieldName: field.name.value, field: field, variables: context.variables }, context, storage || Object.create(null)));
    };
    return Policies;
}());
function makeFieldFunctionOptions(policies, objectOrReference, fieldSpec, context, storage) {
    var storeFieldName = policies.getStoreFieldName(fieldSpec);
    var fieldName = fieldNameFromStoreName(storeFieldName);
    var variables = fieldSpec.variables || context.variables;
    var _a = context.store, getFieldValue = _a.getFieldValue, toReference = _a.toReference, canRead = _a.canRead;
    return {
        args: argsFromFieldSpecifier(fieldSpec),
        field: fieldSpec.field || null,
        fieldName: fieldName,
        storeFieldName: storeFieldName,
        variables: variables,
        isReference: isReference,
        toReference: toReference,
        storage: storage,
        cache: policies.cache,
        canRead: canRead,
        readField: function (fieldNameOrOptions, from) {
            var options = typeof fieldNameOrOptions === "string" ? {
                fieldName: fieldNameOrOptions,
                from: from,
            } : tslib.__assign({}, fieldNameOrOptions);
            if (void 0 === options.from) {
                options.from = objectOrReference;
            }
            if (void 0 === options.variables) {
                options.variables = variables;
            }
            return policies.readField(options, context);
        },
        mergeObjects: makeMergeObjectsFunction(getFieldValue),
    };
}
function makeMergeObjectsFunction(getFieldValue) {
    return function mergeObjects(existing, incoming) {
        if (Array.isArray(existing) || Array.isArray(incoming)) {
            throw process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(2) : new tsInvariant.InvariantError("Cannot automatically merge arrays");
        }
        if (existing && typeof existing === "object" &&
            incoming && typeof incoming === "object") {
            var eType = getFieldValue(existing, "__typename");
            var iType = getFieldValue(incoming, "__typename");
            var typesDiffer = eType && iType && eType !== iType;
            if (typesDiffer ||
                !storeValueIsStoreObject(existing) ||
                !storeValueIsStoreObject(incoming)) {
                return incoming;
            }
            return tslib.__assign(tslib.__assign({}, existing), incoming);
        }
        return incoming;
    };
}
function keyArgsFnFromSpecifier(specifier) {
    return function (args, context) {
        return args ? context.fieldName + ":" + JSON.stringify(computeKeyObject(args, specifier, false)) : context.fieldName;
    };
}
function keyFieldsFnFromSpecifier(specifier) {
    var trie = new optimism.KeyTrie(canUseWeakMap);
    return function (object, context) {
        var aliasMap;
        if (context.selectionSet && context.fragmentMap) {
            var info = trie.lookupArray([
                context.selectionSet,
                context.fragmentMap,
            ]);
            aliasMap = info.aliasMap || (info.aliasMap = makeAliasMap(context.selectionSet, context.fragmentMap));
        }
        var keyObject = context.keyObject =
            computeKeyObject(object, specifier, true, aliasMap);
        return context.typename + ":" + JSON.stringify(keyObject);
    };
}
function makeAliasMap(selectionSet, fragmentMap) {
    var map = Object.create(null);
    var workQueue = new Set([selectionSet]);
    workQueue.forEach(function (selectionSet) {
        selectionSet.selections.forEach(function (selection) {
            if (isField(selection)) {
                if (selection.alias) {
                    var responseKey = selection.alias.value;
                    var storeKey = selection.name.value;
                    if (storeKey !== responseKey) {
                        var aliases = map.aliases || (map.aliases = Object.create(null));
                        aliases[storeKey] = responseKey;
                    }
                }
                if (selection.selectionSet) {
                    var subsets = map.subsets || (map.subsets = Object.create(null));
                    subsets[selection.name.value] =
                        makeAliasMap(selection.selectionSet, fragmentMap);
                }
            }
            else {
                var fragment = getFragmentFromSelection(selection, fragmentMap);
                if (fragment) {
                    workQueue.add(fragment.selectionSet);
                }
            }
        });
    });
    return map;
}
function computeKeyObject(response, specifier, strict, aliasMap) {
    var keyObj = Object.create(null);
    var prevKey;
    specifier.forEach(function (s) {
        if (Array.isArray(s)) {
            if (typeof prevKey === "string") {
                var subsets = aliasMap && aliasMap.subsets;
                var subset = subsets && subsets[prevKey];
                keyObj[prevKey] = computeKeyObject(response[prevKey], s, strict, subset);
            }
        }
        else {
            var aliases = aliasMap && aliasMap.aliases;
            var responseName = aliases && aliases[s] || s;
            if (hasOwn.call(response, responseName)) {
                keyObj[prevKey = s] = response[responseName];
            }
            else {
                process.env.NODE_ENV === "production" ? tsInvariant.invariant(!strict, 3) : tsInvariant.invariant(!strict, "Missing field '" + responseName + "' while computing key fields");
                prevKey = void 0;
            }
        }
    });
    return keyObj;
}

var defaultConfig = {
    dataIdFromObject: defaultDataIdFromObject,
    addTypename: true,
    resultCaching: true,
    typePolicies: {},
};
var InMemoryCache = (function (_super) {
    tslib.__extends(InMemoryCache, _super);
    function InMemoryCache(config) {
        if (config === void 0) { config = {}; }
        var _this = _super.call(this) || this;
        _this.watches = new Set();
        _this.typenameDocumentCache = new Map();
        _this.makeVar = makeVar;
        _this.txCount = 0;
        _this.maybeBroadcastWatch = optimism.wrap(function (c, fromOptimisticTransaction) {
            return _this.broadcastWatch.call(_this, c, !!fromOptimisticTransaction);
        }, {
            makeCacheKey: function (c) {
                var store = c.optimistic ? _this.optimisticData : _this.data;
                if (supportsResultCaching(store)) {
                    var optimistic = c.optimistic, rootId = c.rootId, variables = c.variables;
                    return store.makeCacheKey(c.query, c.callback, JSON.stringify({ optimistic: optimistic, rootId: rootId, variables: variables }));
                }
            }
        });
        _this.watchDep = optimism.dep();
        _this.config = tslib.__assign(tslib.__assign({}, defaultConfig), config);
        _this.addTypename = !!_this.config.addTypename;
        _this.policies = new Policies({
            cache: _this,
            dataIdFromObject: _this.config.dataIdFromObject,
            possibleTypes: _this.config.possibleTypes,
            typePolicies: _this.config.typePolicies,
        });
        _this.data = new EntityStore.Root({
            policies: _this.policies,
            resultCaching: _this.config.resultCaching,
        });
        _this.optimisticData = _this.data;
        _this.storeWriter = new StoreWriter(_this, _this.storeReader = new StoreReader({
            cache: _this,
            addTypename: _this.addTypename,
        }));
        return _this;
    }
    InMemoryCache.prototype.restore = function (data) {
        if (data)
            this.data.replace(data);
        return this;
    };
    InMemoryCache.prototype.extract = function (optimistic) {
        if (optimistic === void 0) { optimistic = false; }
        return (optimistic ? this.optimisticData : this.data).extract();
    };
    InMemoryCache.prototype.read = function (options) {
        var _a = options.returnPartialData, returnPartialData = _a === void 0 ? false : _a;
        try {
            return this.storeReader.diffQueryAgainstStore({
                store: options.optimistic ? this.optimisticData : this.data,
                query: options.query,
                variables: options.variables,
                rootId: options.rootId,
                config: this.config,
                returnPartialData: returnPartialData,
            }).result || null;
        }
        catch (e) {
            if (e instanceof MissingFieldError) {
                return null;
            }
            throw e;
        }
    };
    InMemoryCache.prototype.write = function (options) {
        try {
            ++this.txCount;
            return this.storeWriter.writeToStore({
                store: this.data,
                query: options.query,
                result: options.result,
                dataId: options.dataId,
                variables: options.variables,
            });
        }
        finally {
            if (!--this.txCount && options.broadcast !== false) {
                this.broadcastWatches();
            }
        }
    };
    InMemoryCache.prototype.modify = function (options) {
        if (hasOwn.call(options, "id") && !options.id) {
            return false;
        }
        var store = options.optimistic
            ? this.optimisticData
            : this.data;
        try {
            ++this.txCount;
            return store.modify(options.id || "ROOT_QUERY", options.fields);
        }
        finally {
            if (!--this.txCount && options.broadcast !== false) {
                this.broadcastWatches();
            }
        }
    };
    InMemoryCache.prototype.diff = function (options) {
        return this.storeReader.diffQueryAgainstStore({
            store: options.optimistic ? this.optimisticData : this.data,
            rootId: options.id || "ROOT_QUERY",
            query: options.query,
            variables: options.variables,
            returnPartialData: options.returnPartialData,
            config: this.config,
        });
    };
    InMemoryCache.prototype.watch = function (watch) {
        var _this = this;
        if (!this.watches.size) {
            recallCache(this);
        }
        this.watches.add(watch);
        if (watch.immediate) {
            this.maybeBroadcastWatch(watch);
        }
        return function () {
            if (_this.watches.delete(watch) && !_this.watches.size) {
                forgetCache(_this);
            }
            _this.watchDep.dirty(watch);
            _this.maybeBroadcastWatch.forget(watch);
        };
    };
    InMemoryCache.prototype.gc = function () {
        return this.optimisticData.gc();
    };
    InMemoryCache.prototype.retain = function (rootId, optimistic) {
        return (optimistic ? this.optimisticData : this.data).retain(rootId);
    };
    InMemoryCache.prototype.release = function (rootId, optimistic) {
        return (optimistic ? this.optimisticData : this.data).release(rootId);
    };
    InMemoryCache.prototype.identify = function (object) {
        return isReference(object) ? object.__ref :
            this.policies.identify(object)[0];
    };
    InMemoryCache.prototype.evict = function (options) {
        if (!options.id) {
            if (hasOwn.call(options, "id")) {
                return false;
            }
            options = tslib.__assign(tslib.__assign({}, options), { id: "ROOT_QUERY" });
        }
        try {
            ++this.txCount;
            return this.optimisticData.evict(options);
        }
        finally {
            if (!--this.txCount && options.broadcast !== false) {
                this.broadcastWatches();
            }
        }
    };
    InMemoryCache.prototype.reset = function () {
        this.data.clear();
        this.optimisticData = this.data;
        this.broadcastWatches();
        return Promise.resolve();
    };
    InMemoryCache.prototype.removeOptimistic = function (idToRemove) {
        var newOptimisticData = this.optimisticData.removeLayer(idToRemove);
        if (newOptimisticData !== this.optimisticData) {
            this.optimisticData = newOptimisticData;
            this.broadcastWatches();
        }
    };
    InMemoryCache.prototype.performTransaction = function (transaction, optimisticId) {
        var _this = this;
        var perform = function (layer) {
            var _a = _this, data = _a.data, optimisticData = _a.optimisticData;
            ++_this.txCount;
            if (layer) {
                _this.data = _this.optimisticData = layer;
            }
            try {
                transaction(_this);
            }
            finally {
                --_this.txCount;
                _this.data = data;
                _this.optimisticData = optimisticData;
            }
        };
        var fromOptimisticTransaction = false;
        if (typeof optimisticId === 'string') {
            this.optimisticData = this.optimisticData.addLayer(optimisticId, perform);
            fromOptimisticTransaction = true;
        }
        else if (optimisticId === null) {
            perform(this.data);
        }
        else {
            perform();
        }
        this.broadcastWatches(fromOptimisticTransaction);
    };
    InMemoryCache.prototype.transformDocument = function (document) {
        if (this.addTypename) {
            var result = this.typenameDocumentCache.get(document);
            if (!result) {
                result = addTypenameToDocument(document);
                this.typenameDocumentCache.set(document, result);
                this.typenameDocumentCache.set(result, result);
            }
            return result;
        }
        return document;
    };
    InMemoryCache.prototype.broadcastWatches = function (fromOptimisticTransaction) {
        var _this = this;
        if (!this.txCount) {
            this.watches.forEach(function (c) { return _this.maybeBroadcastWatch(c, fromOptimisticTransaction); });
        }
    };
    InMemoryCache.prototype.broadcastWatch = function (c, fromOptimisticTransaction) {
        this.watchDep.dirty(c);
        this.watchDep(c);
        var diff = this.diff({
            query: c.query,
            variables: c.variables,
            optimistic: c.optimistic,
        });
        if (c.optimistic && fromOptimisticTransaction) {
            diff.fromOptimisticTransaction = true;
        }
        c.callback(diff);
    };
    return InMemoryCache;
}(ApolloCache));

var LocalState = (function () {
    function LocalState(_a) {
        var cache = _a.cache, client = _a.client, resolvers = _a.resolvers, fragmentMatcher = _a.fragmentMatcher;
        this.cache = cache;
        if (client) {
            this.client = client;
        }
        if (resolvers) {
            this.addResolvers(resolvers);
        }
        if (fragmentMatcher) {
            this.setFragmentMatcher(fragmentMatcher);
        }
    }
    LocalState.prototype.addResolvers = function (resolvers) {
        var _this = this;
        this.resolvers = this.resolvers || {};
        if (Array.isArray(resolvers)) {
            resolvers.forEach(function (resolverGroup) {
                _this.resolvers = mergeDeep(_this.resolvers, resolverGroup);
            });
        }
        else {
            this.resolvers = mergeDeep(this.resolvers, resolvers);
        }
    };
    LocalState.prototype.setResolvers = function (resolvers) {
        this.resolvers = {};
        this.addResolvers(resolvers);
    };
    LocalState.prototype.getResolvers = function () {
        return this.resolvers || {};
    };
    LocalState.prototype.runResolvers = function (_a) {
        var document = _a.document, remoteResult = _a.remoteResult, context = _a.context, variables = _a.variables, _b = _a.onlyRunForcedResolvers, onlyRunForcedResolvers = _b === void 0 ? false : _b;
        return tslib.__awaiter(this, void 0, void 0, function () {
            return tslib.__generator(this, function (_c) {
                if (document) {
                    return [2, this.resolveDocument(document, remoteResult.data, context, variables, this.fragmentMatcher, onlyRunForcedResolvers).then(function (localResult) { return (tslib.__assign(tslib.__assign({}, remoteResult), { data: localResult.result })); })];
                }
                return [2, remoteResult];
            });
        });
    };
    LocalState.prototype.setFragmentMatcher = function (fragmentMatcher) {
        this.fragmentMatcher = fragmentMatcher;
    };
    LocalState.prototype.getFragmentMatcher = function () {
        return this.fragmentMatcher;
    };
    LocalState.prototype.clientQuery = function (document) {
        if (hasDirectives(['client'], document)) {
            if (this.resolvers) {
                return document;
            }
        }
        return null;
    };
    LocalState.prototype.serverQuery = function (document) {
        return removeClientSetsFromDocument(document);
    };
    LocalState.prototype.prepareContext = function (context) {
        var cache = this.cache;
        return tslib.__assign(tslib.__assign({}, context), { cache: cache,
            getCacheKey: function (obj) {
                return cache.identify(obj);
            } });
    };
    LocalState.prototype.addExportedVariables = function (document, variables, context) {
        if (variables === void 0) { variables = {}; }
        if (context === void 0) { context = {}; }
        return tslib.__awaiter(this, void 0, void 0, function () {
            return tslib.__generator(this, function (_a) {
                if (document) {
                    return [2, this.resolveDocument(document, this.buildRootValueFromCache(document, variables) || {}, this.prepareContext(context), variables).then(function (data) { return (tslib.__assign(tslib.__assign({}, variables), data.exportedVariables)); })];
                }
                return [2, tslib.__assign({}, variables)];
            });
        });
    };
    LocalState.prototype.shouldForceResolvers = function (document) {
        var forceResolvers = false;
        graphql.visit(document, {
            Directive: {
                enter: function (node) {
                    if (node.name.value === 'client' && node.arguments) {
                        forceResolvers = node.arguments.some(function (arg) {
                            return arg.name.value === 'always' &&
                                arg.value.kind === 'BooleanValue' &&
                                arg.value.value === true;
                        });
                        if (forceResolvers) {
                            return graphql.BREAK;
                        }
                    }
                },
            },
        });
        return forceResolvers;
    };
    LocalState.prototype.buildRootValueFromCache = function (document, variables) {
        return this.cache.diff({
            query: buildQueryFromSelectionSet(document),
            variables: variables,
            returnPartialData: true,
            optimistic: false,
        }).result;
    };
    LocalState.prototype.resolveDocument = function (document, rootValue, context, variables, fragmentMatcher, onlyRunForcedResolvers) {
        if (context === void 0) { context = {}; }
        if (variables === void 0) { variables = {}; }
        if (fragmentMatcher === void 0) { fragmentMatcher = function () { return true; }; }
        if (onlyRunForcedResolvers === void 0) { onlyRunForcedResolvers = false; }
        return tslib.__awaiter(this, void 0, void 0, function () {
            var mainDefinition, fragments, fragmentMap, definitionOperation, defaultOperationType, _a, cache, client, execContext;
            return tslib.__generator(this, function (_b) {
                mainDefinition = getMainDefinition(document);
                fragments = getFragmentDefinitions(document);
                fragmentMap = createFragmentMap(fragments);
                definitionOperation = mainDefinition
                    .operation;
                defaultOperationType = definitionOperation
                    ? definitionOperation.charAt(0).toUpperCase() +
                        definitionOperation.slice(1)
                    : 'Query';
                _a = this, cache = _a.cache, client = _a.client;
                execContext = {
                    fragmentMap: fragmentMap,
                    context: tslib.__assign(tslib.__assign({}, context), { cache: cache,
                        client: client }),
                    variables: variables,
                    fragmentMatcher: fragmentMatcher,
                    defaultOperationType: defaultOperationType,
                    exportedVariables: {},
                    onlyRunForcedResolvers: onlyRunForcedResolvers,
                };
                return [2, this.resolveSelectionSet(mainDefinition.selectionSet, rootValue, execContext).then(function (result) { return ({
                        result: result,
                        exportedVariables: execContext.exportedVariables,
                    }); })];
            });
        });
    };
    LocalState.prototype.resolveSelectionSet = function (selectionSet, rootValue, execContext) {
        return tslib.__awaiter(this, void 0, void 0, function () {
            var fragmentMap, context, variables, resultsToMerge, execute;
            var _this = this;
            return tslib.__generator(this, function (_a) {
                fragmentMap = execContext.fragmentMap, context = execContext.context, variables = execContext.variables;
                resultsToMerge = [rootValue];
                execute = function (selection) { return tslib.__awaiter(_this, void 0, void 0, function () {
                    var fragment, typeCondition;
                    return tslib.__generator(this, function (_a) {
                        if (!shouldInclude(selection, variables)) {
                            return [2];
                        }
                        if (isField(selection)) {
                            return [2, this.resolveField(selection, rootValue, execContext).then(function (fieldResult) {
                                    var _a;
                                    if (typeof fieldResult !== 'undefined') {
                                        resultsToMerge.push((_a = {},
                                            _a[resultKeyNameFromField(selection)] = fieldResult,
                                            _a));
                                    }
                                })];
                        }
                        if (isInlineFragment(selection)) {
                            fragment = selection;
                        }
                        else {
                            fragment = fragmentMap[selection.name.value];
                            process.env.NODE_ENV === "production" ? tsInvariant.invariant(fragment, 11) : tsInvariant.invariant(fragment, "No fragment named " + selection.name.value);
                        }
                        if (fragment && fragment.typeCondition) {
                            typeCondition = fragment.typeCondition.name.value;
                            if (execContext.fragmentMatcher(rootValue, typeCondition, context)) {
                                return [2, this.resolveSelectionSet(fragment.selectionSet, rootValue, execContext).then(function (fragmentResult) {
                                        resultsToMerge.push(fragmentResult);
                                    })];
                            }
                        }
                        return [2];
                    });
                }); };
                return [2, Promise.all(selectionSet.selections.map(execute)).then(function () {
                        return mergeDeepArray(resultsToMerge);
                    })];
            });
        });
    };
    LocalState.prototype.resolveField = function (field, rootValue, execContext) {
        return tslib.__awaiter(this, void 0, void 0, function () {
            var variables, fieldName, aliasedFieldName, aliasUsed, defaultResult, resultPromise, resolverType, resolverMap, resolve;
            var _this = this;
            return tslib.__generator(this, function (_a) {
                variables = execContext.variables;
                fieldName = field.name.value;
                aliasedFieldName = resultKeyNameFromField(field);
                aliasUsed = fieldName !== aliasedFieldName;
                defaultResult = rootValue[aliasedFieldName] || rootValue[fieldName];
                resultPromise = Promise.resolve(defaultResult);
                if (!execContext.onlyRunForcedResolvers ||
                    this.shouldForceResolvers(field)) {
                    resolverType = rootValue.__typename || execContext.defaultOperationType;
                    resolverMap = this.resolvers && this.resolvers[resolverType];
                    if (resolverMap) {
                        resolve = resolverMap[aliasUsed ? fieldName : aliasedFieldName];
                        if (resolve) {
                            resultPromise = Promise.resolve(cacheSlot.withValue(this.cache, resolve, [
                                rootValue,
                                argumentsObjectFromField(field, variables),
                                execContext.context,
                                { field: field, fragmentMap: execContext.fragmentMap },
                            ]));
                        }
                    }
                }
                return [2, resultPromise.then(function (result) {
                        if (result === void 0) { result = defaultResult; }
                        if (field.directives) {
                            field.directives.forEach(function (directive) {
                                if (directive.name.value === 'export' && directive.arguments) {
                                    directive.arguments.forEach(function (arg) {
                                        if (arg.name.value === 'as' && arg.value.kind === 'StringValue') {
                                            execContext.exportedVariables[arg.value.value] = result;
                                        }
                                    });
                                }
                            });
                        }
                        if (!field.selectionSet) {
                            return result;
                        }
                        if (result == null) {
                            return result;
                        }
                        if (Array.isArray(result)) {
                            return _this.resolveSubSelectedArray(field, result, execContext);
                        }
                        if (field.selectionSet) {
                            return _this.resolveSelectionSet(field.selectionSet, result, execContext);
                        }
                    })];
            });
        });
    };
    LocalState.prototype.resolveSubSelectedArray = function (field, result, execContext) {
        var _this = this;
        return Promise.all(result.map(function (item) {
            if (item === null) {
                return null;
            }
            if (Array.isArray(item)) {
                return _this.resolveSubSelectedArray(field, item, execContext);
            }
            if (field.selectionSet) {
                return _this.resolveSelectionSet(field.selectionSet, item, execContext);
            }
        }));
    };
    return LocalState;
}());

var destructiveMethodCounts = new (canUseWeakMap ? WeakMap : Map)();
function wrapDestructiveCacheMethod(cache, methodName) {
    var original = cache[methodName];
    if (typeof original === "function") {
        cache[methodName] = function () {
            destructiveMethodCounts.set(cache, (destructiveMethodCounts.get(cache) + 1) % 1e15);
            return original.apply(this, arguments);
        };
    }
}
function cancelNotifyTimeout(info) {
    if (info["notifyTimeout"]) {
        clearTimeout(info["notifyTimeout"]);
        info["notifyTimeout"] = void 0;
    }
}
var QueryInfo = (function () {
    function QueryInfo(cache) {
        this.cache = cache;
        this.listeners = new Set();
        this.document = null;
        this.lastRequestId = 1;
        this.subscriptions = new Set();
        this.stopped = false;
        this.dirty = false;
        this.diff = null;
        this.observableQuery = null;
        if (!destructiveMethodCounts.has(cache)) {
            destructiveMethodCounts.set(cache, 0);
            wrapDestructiveCacheMethod(cache, "evict");
            wrapDestructiveCacheMethod(cache, "modify");
            wrapDestructiveCacheMethod(cache, "reset");
        }
    }
    QueryInfo.prototype.init = function (query) {
        var networkStatus = query.networkStatus || exports.NetworkStatus.loading;
        if (this.variables &&
            this.networkStatus !== exports.NetworkStatus.loading &&
            !equality.equal(this.variables, query.variables)) {
            networkStatus = exports.NetworkStatus.setVariables;
        }
        if (!equality.equal(query.variables, this.variables)) {
            this.diff = null;
        }
        Object.assign(this, {
            document: query.document,
            variables: query.variables,
            networkError: null,
            graphQLErrors: this.graphQLErrors || [],
            networkStatus: networkStatus,
        });
        if (query.observableQuery) {
            this.setObservableQuery(query.observableQuery);
        }
        if (query.lastRequestId) {
            this.lastRequestId = query.lastRequestId;
        }
        return this;
    };
    QueryInfo.prototype.reset = function () {
        cancelNotifyTimeout(this);
        this.diff = null;
        this.dirty = false;
    };
    QueryInfo.prototype.getDiff = function (variables) {
        if (variables === void 0) { variables = this.variables; }
        if (this.diff && equality.equal(variables, this.variables)) {
            return this.diff;
        }
        this.updateWatch(this.variables = variables);
        return this.diff = this.cache.diff({
            query: this.document,
            variables: variables,
            returnPartialData: true,
            optimistic: true,
        });
    };
    QueryInfo.prototype.setDiff = function (diff) {
        var _this = this;
        var oldDiff = this.diff;
        this.diff = diff;
        if (!this.dirty &&
            (diff && diff.result) !== (oldDiff && oldDiff.result)) {
            this.dirty = true;
            if (!this.notifyTimeout) {
                this.notifyTimeout = setTimeout(function () { return _this.notify(); }, 0);
            }
        }
    };
    QueryInfo.prototype.setObservableQuery = function (oq) {
        var _this = this;
        if (oq === this.observableQuery)
            return;
        if (this.oqListener) {
            this.listeners.delete(this.oqListener);
        }
        this.observableQuery = oq;
        if (oq) {
            oq["queryInfo"] = this;
            this.listeners.add(this.oqListener = function () {
                if (_this.getDiff().fromOptimisticTransaction) {
                    oq["observe"]();
                }
                else {
                    oq.reobserve();
                }
            });
        }
        else {
            delete this.oqListener;
        }
    };
    QueryInfo.prototype.notify = function () {
        var _this = this;
        cancelNotifyTimeout(this);
        if (this.shouldNotify()) {
            this.listeners.forEach(function (listener) { return listener(_this); });
        }
        this.dirty = false;
    };
    QueryInfo.prototype.shouldNotify = function () {
        if (!this.dirty || !this.listeners.size) {
            return false;
        }
        if (isNetworkRequestInFlight(this.networkStatus) &&
            this.observableQuery) {
            var fetchPolicy = this.observableQuery.options.fetchPolicy;
            if (fetchPolicy !== "cache-only" &&
                fetchPolicy !== "cache-and-network") {
                return false;
            }
        }
        return true;
    };
    QueryInfo.prototype.stop = function () {
        if (!this.stopped) {
            this.stopped = true;
            this.reset();
            this.cancel();
            delete this.cancel;
            this.subscriptions.forEach(function (sub) { return sub.unsubscribe(); });
            var oq = this.observableQuery;
            if (oq)
                oq.stopPolling();
        }
    };
    QueryInfo.prototype.cancel = function () { };
    QueryInfo.prototype.updateWatch = function (variables) {
        var _this = this;
        if (variables === void 0) { variables = this.variables; }
        var oq = this.observableQuery;
        if (oq && oq.options.fetchPolicy === "no-cache") {
            return;
        }
        if (!this.lastWatch ||
            this.lastWatch.query !== this.document ||
            !equality.equal(variables, this.lastWatch.variables)) {
            this.cancel();
            this.cancel = this.cache.watch(this.lastWatch = {
                query: this.document,
                variables: variables,
                optimistic: true,
                callback: function (diff) { return _this.setDiff(diff); },
            });
        }
    };
    QueryInfo.prototype.shouldWrite = function (result, variables) {
        var lastWrite = this.lastWrite;
        return !(lastWrite &&
            lastWrite.dmCount === destructiveMethodCounts.get(this.cache) &&
            equality.equal(variables, lastWrite.variables) &&
            equality.equal(result.data, lastWrite.result.data));
    };
    QueryInfo.prototype.markResult = function (result, options, allowCacheWrite) {
        var _this = this;
        this.graphQLErrors = isNonEmptyArray(result.errors) ? result.errors : [];
        this.reset();
        if (options.fetchPolicy === 'no-cache') {
            this.diff = { result: result.data, complete: true };
        }
        else if (!this.stopped && allowCacheWrite) {
            if (shouldWriteResult(result, options.errorPolicy)) {
                this.cache.performTransaction(function (cache) {
                    if (_this.shouldWrite(result, options.variables)) {
                        cache.writeQuery({
                            query: _this.document,
                            data: result.data,
                            variables: options.variables,
                        });
                        _this.lastWrite = {
                            result: result,
                            variables: options.variables,
                            dmCount: destructiveMethodCounts.get(_this.cache),
                        };
                    }
                    else {
                        if (_this.diff && _this.diff.complete) {
                            result.data = _this.diff.result;
                            return;
                        }
                    }
                    var diff = cache.diff({
                        query: _this.document,
                        variables: options.variables,
                        returnPartialData: true,
                        optimistic: true,
                    });
                    if (!_this.stopped) {
                        _this.updateWatch(options.variables);
                    }
                    _this.diff = diff;
                    if (diff.complete) {
                        result.data = diff.result;
                    }
                });
            }
            else {
                this.lastWrite = void 0;
            }
        }
    };
    QueryInfo.prototype.markReady = function () {
        this.networkError = null;
        return this.networkStatus = exports.NetworkStatus.ready;
    };
    QueryInfo.prototype.markError = function (error) {
        this.networkStatus = exports.NetworkStatus.error;
        this.lastWrite = void 0;
        this.reset();
        if (error.graphQLErrors) {
            this.graphQLErrors = error.graphQLErrors;
        }
        if (error.networkError) {
            this.networkError = error.networkError;
        }
        return error;
    };
    return QueryInfo;
}());
function shouldWriteResult(result, errorPolicy) {
    if (errorPolicy === void 0) { errorPolicy = "none"; }
    var ignoreErrors = errorPolicy === "ignore" ||
        errorPolicy === "all";
    var writeWithErrors = !graphQLResultHasError(result);
    if (!writeWithErrors && ignoreErrors && result.data) {
        writeWithErrors = true;
    }
    return writeWithErrors;
}

var hasOwnProperty$2 = Object.prototype.hasOwnProperty;
var QueryManager = (function () {
    function QueryManager(_a) {
        var cache = _a.cache, link = _a.link, _b = _a.queryDeduplication, queryDeduplication = _b === void 0 ? false : _b, onBroadcast = _a.onBroadcast, _c = _a.ssrMode, ssrMode = _c === void 0 ? false : _c, _d = _a.clientAwareness, clientAwareness = _d === void 0 ? {} : _d, localState = _a.localState, assumeImmutableResults = _a.assumeImmutableResults;
        this.clientAwareness = {};
        this.queries = new Map();
        this.fetchCancelFns = new Map();
        this.transformCache = new (canUseWeakMap ? WeakMap : Map)();
        this.queryIdCounter = 1;
        this.requestIdCounter = 1;
        this.mutationIdCounter = 1;
        this.inFlightLinkObservables = new Map();
        this.cache = cache;
        this.link = link;
        this.queryDeduplication = queryDeduplication;
        this.clientAwareness = clientAwareness;
        this.localState = localState || new LocalState({ cache: cache });
        this.ssrMode = ssrMode;
        this.assumeImmutableResults = !!assumeImmutableResults;
        if ((this.onBroadcast = onBroadcast)) {
            this.mutationStore = Object.create(null);
        }
    }
    QueryManager.prototype.stop = function () {
        var _this = this;
        this.queries.forEach(function (_info, queryId) {
            _this.stopQueryNoBroadcast(queryId);
        });
        this.cancelPendingFetches(process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(12) : new tsInvariant.InvariantError('QueryManager stopped while query was in flight'));
    };
    QueryManager.prototype.cancelPendingFetches = function (error) {
        this.fetchCancelFns.forEach(function (cancel) { return cancel(error); });
        this.fetchCancelFns.clear();
    };
    QueryManager.prototype.mutate = function (_a) {
        var mutation = _a.mutation, variables = _a.variables, optimisticResponse = _a.optimisticResponse, updateQueries = _a.updateQueries, _b = _a.refetchQueries, refetchQueries = _b === void 0 ? [] : _b, _c = _a.awaitRefetchQueries, awaitRefetchQueries = _c === void 0 ? false : _c, updateWithProxyFn = _a.update, _d = _a.errorPolicy, errorPolicy = _d === void 0 ? 'none' : _d, fetchPolicy = _a.fetchPolicy, _e = _a.context, context = _e === void 0 ? {} : _e;
        return tslib.__awaiter(this, void 0, void 0, function () {
            var mutationId, mutationStoreValue, self;
            return tslib.__generator(this, function (_f) {
                switch (_f.label) {
                    case 0:
                        process.env.NODE_ENV === "production" ? tsInvariant.invariant(mutation, 13) : tsInvariant.invariant(mutation, 'mutation option is required. You must specify your GraphQL document in the mutation option.');
                        process.env.NODE_ENV === "production" ? tsInvariant.invariant(!fetchPolicy || fetchPolicy === 'no-cache', 14) : tsInvariant.invariant(!fetchPolicy || fetchPolicy === 'no-cache', "Mutations only support a 'no-cache' fetchPolicy. If you don't want to disable the cache, remove your fetchPolicy setting to proceed with the default mutation behavior.");
                        mutationId = this.generateMutationId();
                        mutation = this.transform(mutation).document;
                        variables = this.getVariables(mutation, variables);
                        if (!this.transform(mutation).hasClientExports) return [3, 2];
                        return [4, this.localState.addExportedVariables(mutation, variables, context)];
                    case 1:
                        variables = _f.sent();
                        _f.label = 2;
                    case 2:
                        mutationStoreValue = this.mutationStore &&
                            (this.mutationStore[mutationId] = {
                                mutation: mutation,
                                variables: variables,
                                loading: true,
                                error: null,
                            });
                        if (optimisticResponse) {
                            this.markMutationOptimistic(optimisticResponse, {
                                mutationId: mutationId,
                                document: mutation,
                                variables: variables,
                                errorPolicy: errorPolicy,
                                updateQueries: updateQueries,
                                update: updateWithProxyFn,
                            });
                        }
                        this.broadcastQueries();
                        self = this;
                        return [2, new Promise(function (resolve, reject) {
                                var storeResult;
                                var error;
                                self.getObservableFromLink(mutation, tslib.__assign(tslib.__assign({}, context), { optimisticResponse: optimisticResponse }), variables, false).subscribe({
                                    next: function (result) {
                                        if (graphQLResultHasError(result) && errorPolicy === 'none') {
                                            error = new ApolloError({
                                                graphQLErrors: result.errors,
                                            });
                                            return;
                                        }
                                        if (mutationStoreValue) {
                                            mutationStoreValue.loading = false;
                                            mutationStoreValue.error = null;
                                        }
                                        if (fetchPolicy !== 'no-cache') {
                                            try {
                                                self.markMutationResult({
                                                    mutationId: mutationId,
                                                    result: result,
                                                    document: mutation,
                                                    variables: variables,
                                                    errorPolicy: errorPolicy,
                                                    updateQueries: updateQueries,
                                                    update: updateWithProxyFn,
                                                });
                                            }
                                            catch (e) {
                                                error = new ApolloError({
                                                    networkError: e,
                                                });
                                                return;
                                            }
                                        }
                                        storeResult = result;
                                    },
                                    error: function (err) {
                                        if (mutationStoreValue) {
                                            mutationStoreValue.loading = false;
                                            mutationStoreValue.error = err;
                                        }
                                        if (optimisticResponse) {
                                            self.cache.removeOptimistic(mutationId);
                                        }
                                        self.broadcastQueries();
                                        reject(new ApolloError({
                                            networkError: err,
                                        }));
                                    },
                                    complete: function () {
                                        if (error && mutationStoreValue) {
                                            mutationStoreValue.loading = false;
                                            mutationStoreValue.error = error;
                                        }
                                        if (optimisticResponse) {
                                            self.cache.removeOptimistic(mutationId);
                                        }
                                        self.broadcastQueries();
                                        if (error) {
                                            reject(error);
                                            return;
                                        }
                                        if (typeof refetchQueries === 'function') {
                                            refetchQueries = refetchQueries(storeResult);
                                        }
                                        var refetchQueryPromises = [];
                                        if (isNonEmptyArray(refetchQueries)) {
                                            refetchQueries.forEach(function (refetchQuery) {
                                                if (typeof refetchQuery === 'string') {
                                                    self.queries.forEach(function (_a) {
                                                        var observableQuery = _a.observableQuery;
                                                        if (observableQuery &&
                                                            observableQuery.hasObservers() &&
                                                            observableQuery.queryName === refetchQuery) {
                                                            refetchQueryPromises.push(observableQuery.refetch());
                                                        }
                                                    });
                                                }
                                                else {
                                                    var queryOptions = {
                                                        query: refetchQuery.query,
                                                        variables: refetchQuery.variables,
                                                        fetchPolicy: 'network-only',
                                                    };
                                                    if (refetchQuery.context) {
                                                        queryOptions.context = refetchQuery.context;
                                                    }
                                                    refetchQueryPromises.push(self.query(queryOptions));
                                                }
                                            });
                                        }
                                        Promise.all(awaitRefetchQueries ? refetchQueryPromises : []).then(function () {
                                            if (errorPolicy === 'ignore' &&
                                                storeResult &&
                                                graphQLResultHasError(storeResult)) {
                                                delete storeResult.errors;
                                            }
                                            resolve(storeResult);
                                        }, reject);
                                    },
                                });
                            })];
                }
            });
        });
    };
    QueryManager.prototype.markMutationResult = function (mutation, cache) {
        var _this = this;
        if (cache === void 0) { cache = this.cache; }
        if (shouldWriteResult(mutation.result, mutation.errorPolicy)) {
            var cacheWrites_1 = [{
                    result: mutation.result.data,
                    dataId: 'ROOT_MUTATION',
                    query: mutation.document,
                    variables: mutation.variables,
                }];
            var updateQueries_1 = mutation.updateQueries;
            if (updateQueries_1) {
                this.queries.forEach(function (_a, queryId) {
                    var observableQuery = _a.observableQuery;
                    var queryName = observableQuery && observableQuery.queryName;
                    if (!queryName || !hasOwnProperty$2.call(updateQueries_1, queryName)) {
                        return;
                    }
                    var updater = updateQueries_1[queryName];
                    var _b = _this.queries.get(queryId), document = _b.document, variables = _b.variables;
                    var _c = cache.diff({
                        query: document,
                        variables: variables,
                        returnPartialData: true,
                        optimistic: false,
                    }), currentQueryResult = _c.result, complete = _c.complete;
                    if (complete && currentQueryResult) {
                        var nextQueryResult = updater(currentQueryResult, {
                            mutationResult: mutation.result,
                            queryName: document && getOperationName(document) || void 0,
                            queryVariables: variables,
                        });
                        if (nextQueryResult) {
                            cacheWrites_1.push({
                                result: nextQueryResult,
                                dataId: 'ROOT_QUERY',
                                query: document,
                                variables: variables,
                            });
                        }
                    }
                });
            }
            cache.performTransaction(function (c) {
                cacheWrites_1.forEach(function (write) { return c.write(write); });
                var update = mutation.update;
                if (update) {
                    update(c, mutation.result);
                }
            }, null);
        }
    };
    QueryManager.prototype.markMutationOptimistic = function (optimisticResponse, mutation) {
        var _this = this;
        var data = typeof optimisticResponse === "function"
            ? optimisticResponse(mutation.variables)
            : optimisticResponse;
        return this.cache.recordOptimisticTransaction(function (cache) {
            try {
                _this.markMutationResult(tslib.__assign(tslib.__assign({}, mutation), { result: { data: data } }), cache);
            }
            catch (error) {
                process.env.NODE_ENV === "production" || tsInvariant.invariant.error(error);
            }
        }, mutation.mutationId);
    };
    QueryManager.prototype.fetchQuery = function (queryId, options, networkStatus) {
        return this.fetchQueryObservable(queryId, options, networkStatus).promise;
    };
    QueryManager.prototype.getQueryStore = function () {
        var store = Object.create(null);
        this.queries.forEach(function (info, queryId) {
            store[queryId] = {
                variables: info.variables,
                networkStatus: info.networkStatus,
                networkError: info.networkError,
                graphQLErrors: info.graphQLErrors,
            };
        });
        return store;
    };
    QueryManager.prototype.resetErrors = function (queryId) {
        var queryInfo = this.queries.get(queryId);
        if (queryInfo) {
            queryInfo.networkError = undefined;
            queryInfo.graphQLErrors = [];
        }
    };
    QueryManager.prototype.transform = function (document) {
        var transformCache = this.transformCache;
        if (!transformCache.has(document)) {
            var transformed = this.cache.transformDocument(document);
            var forLink = removeConnectionDirectiveFromDocument(this.cache.transformForLink(transformed));
            var clientQuery = this.localState.clientQuery(transformed);
            var serverQuery = forLink && this.localState.serverQuery(forLink);
            var cacheEntry_1 = {
                document: transformed,
                hasClientExports: hasClientExports(transformed),
                hasForcedResolvers: this.localState.shouldForceResolvers(transformed),
                clientQuery: clientQuery,
                serverQuery: serverQuery,
                defaultVars: getDefaultValues(getOperationDefinition(transformed)),
            };
            var add = function (doc) {
                if (doc && !transformCache.has(doc)) {
                    transformCache.set(doc, cacheEntry_1);
                }
            };
            add(document);
            add(transformed);
            add(clientQuery);
            add(serverQuery);
        }
        return transformCache.get(document);
    };
    QueryManager.prototype.getVariables = function (document, variables) {
        return tslib.__assign(tslib.__assign({}, this.transform(document).defaultVars), variables);
    };
    QueryManager.prototype.watchQuery = function (options) {
        options = tslib.__assign(tslib.__assign({}, options), { variables: this.getVariables(options.query, options.variables) });
        if (typeof options.notifyOnNetworkStatusChange === 'undefined') {
            options.notifyOnNetworkStatusChange = false;
        }
        var queryInfo = new QueryInfo(this.cache);
        var observable = new ObservableQuery({
            queryManager: this,
            queryInfo: queryInfo,
            options: options,
        });
        this.queries.set(observable.queryId, queryInfo);
        queryInfo.init({
            document: options.query,
            observableQuery: observable,
            variables: options.variables,
        });
        return observable;
    };
    QueryManager.prototype.query = function (options) {
        var _this = this;
        process.env.NODE_ENV === "production" ? tsInvariant.invariant(options.query, 15) : tsInvariant.invariant(options.query, 'query option is required. You must specify your GraphQL document ' +
            'in the query option.');
        process.env.NODE_ENV === "production" ? tsInvariant.invariant(options.query.kind === 'Document', 16) : tsInvariant.invariant(options.query.kind === 'Document', 'You must wrap the query string in a "gql" tag.');
        process.env.NODE_ENV === "production" ? tsInvariant.invariant(!options.returnPartialData, 17) : tsInvariant.invariant(!options.returnPartialData, 'returnPartialData option only supported on watchQuery.');
        process.env.NODE_ENV === "production" ? tsInvariant.invariant(!options.pollInterval, 18) : tsInvariant.invariant(!options.pollInterval, 'pollInterval option only supported on watchQuery.');
        var queryId = this.generateQueryId();
        return this.fetchQuery(queryId, options).finally(function () { return _this.stopQuery(queryId); });
    };
    QueryManager.prototype.generateQueryId = function () {
        return String(this.queryIdCounter++);
    };
    QueryManager.prototype.generateRequestId = function () {
        return this.requestIdCounter++;
    };
    QueryManager.prototype.generateMutationId = function () {
        return String(this.mutationIdCounter++);
    };
    QueryManager.prototype.stopQueryInStore = function (queryId) {
        this.stopQueryInStoreNoBroadcast(queryId);
        this.broadcastQueries();
    };
    QueryManager.prototype.stopQueryInStoreNoBroadcast = function (queryId) {
        var queryInfo = this.queries.get(queryId);
        if (queryInfo)
            queryInfo.stop();
    };
    QueryManager.prototype.clearStore = function () {
        this.cancelPendingFetches(process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(19) : new tsInvariant.InvariantError('Store reset while query was in flight (not completed in link chain)'));
        this.queries.forEach(function (queryInfo) {
            if (queryInfo.observableQuery) {
                queryInfo.networkStatus = exports.NetworkStatus.loading;
            }
            else {
                queryInfo.stop();
            }
        });
        if (this.mutationStore) {
            this.mutationStore = Object.create(null);
        }
        return this.cache.reset();
    };
    QueryManager.prototype.resetStore = function () {
        var _this = this;
        return this.clearStore().then(function () {
            return _this.reFetchObservableQueries();
        });
    };
    QueryManager.prototype.reFetchObservableQueries = function (includeStandby) {
        var _this = this;
        if (includeStandby === void 0) { includeStandby = false; }
        var observableQueryPromises = [];
        this.queries.forEach(function (_a, queryId) {
            var observableQuery = _a.observableQuery;
            if (observableQuery && observableQuery.hasObservers()) {
                var fetchPolicy = observableQuery.options.fetchPolicy;
                observableQuery.resetLastResults();
                if (fetchPolicy !== 'cache-only' &&
                    (includeStandby || fetchPolicy !== 'standby')) {
                    observableQueryPromises.push(observableQuery.refetch());
                }
                _this.getQuery(queryId).setDiff(null);
            }
        });
        this.broadcastQueries();
        return Promise.all(observableQueryPromises);
    };
    QueryManager.prototype.setObservableQuery = function (observableQuery) {
        this.getQuery(observableQuery.queryId).setObservableQuery(observableQuery);
    };
    QueryManager.prototype.startGraphQLSubscription = function (_a) {
        var _this = this;
        var query = _a.query, fetchPolicy = _a.fetchPolicy, errorPolicy = _a.errorPolicy, variables = _a.variables, _b = _a.context, context = _b === void 0 ? {} : _b;
        query = this.transform(query).document;
        variables = this.getVariables(query, variables);
        var makeObservable = function (variables) {
            return _this.getObservableFromLink(query, context, variables, false).map(function (result) {
                if (fetchPolicy !== 'no-cache') {
                    if (shouldWriteResult(result, errorPolicy)) {
                        _this.cache.write({
                            query: query,
                            result: result.data,
                            dataId: 'ROOT_SUBSCRIPTION',
                            variables: variables,
                        });
                    }
                    _this.broadcastQueries();
                }
                if (graphQLResultHasError(result)) {
                    throw new ApolloError({
                        graphQLErrors: result.errors,
                    });
                }
                return result;
            });
        };
        if (this.transform(query).hasClientExports) {
            var observablePromise_1 = this.localState.addExportedVariables(query, variables, context).then(makeObservable);
            return new Observable(function (observer) {
                var sub = null;
                observablePromise_1.then(function (observable) { return sub = observable.subscribe(observer); }, observer.error);
                return function () { return sub && sub.unsubscribe(); };
            });
        }
        return makeObservable(variables);
    };
    QueryManager.prototype.stopQuery = function (queryId) {
        this.stopQueryNoBroadcast(queryId);
        this.broadcastQueries();
    };
    QueryManager.prototype.stopQueryNoBroadcast = function (queryId) {
        this.stopQueryInStoreNoBroadcast(queryId);
        this.removeQuery(queryId);
    };
    QueryManager.prototype.removeQuery = function (queryId) {
        this.fetchCancelFns.delete(queryId);
        this.getQuery(queryId).stop();
        this.queries.delete(queryId);
    };
    QueryManager.prototype.broadcastQueries = function () {
        if (this.onBroadcast)
            this.onBroadcast();
        this.queries.forEach(function (info) { return info.notify(); });
    };
    QueryManager.prototype.getLocalState = function () {
        return this.localState;
    };
    QueryManager.prototype.getObservableFromLink = function (query, context, variables, deduplication) {
        var _this = this;
        var _a;
        if (deduplication === void 0) { deduplication = (_a = context === null || context === void 0 ? void 0 : context.queryDeduplication) !== null && _a !== void 0 ? _a : this.queryDeduplication; }
        var observable;
        var serverQuery = this.transform(query).serverQuery;
        if (serverQuery) {
            var _b = this, inFlightLinkObservables_1 = _b.inFlightLinkObservables, link = _b.link;
            var operation = {
                query: serverQuery,
                variables: variables,
                operationName: getOperationName(serverQuery) || void 0,
                context: this.prepareContext(tslib.__assign(tslib.__assign({}, context), { forceFetch: !deduplication })),
            };
            context = operation.context;
            if (deduplication) {
                var byVariables_1 = inFlightLinkObservables_1.get(serverQuery) || new Map();
                inFlightLinkObservables_1.set(serverQuery, byVariables_1);
                var varJson_1 = JSON.stringify(variables);
                observable = byVariables_1.get(varJson_1);
                if (!observable) {
                    var concast = new Concast([
                        execute(link, operation)
                    ]);
                    byVariables_1.set(varJson_1, observable = concast);
                    concast.cleanup(function () {
                        if (byVariables_1.delete(varJson_1) &&
                            byVariables_1.size < 1) {
                            inFlightLinkObservables_1.delete(serverQuery);
                        }
                    });
                }
            }
            else {
                observable = new Concast([
                    execute(link, operation)
                ]);
            }
        }
        else {
            observable = new Concast([
                Observable.of({ data: {} })
            ]);
            context = this.prepareContext(context);
        }
        var clientQuery = this.transform(query).clientQuery;
        if (clientQuery) {
            observable = asyncMap(observable, function (result) {
                return _this.localState.runResolvers({
                    document: clientQuery,
                    remoteResult: result,
                    context: context,
                    variables: variables,
                });
            });
        }
        return observable;
    };
    QueryManager.prototype.getResultsFromLink = function (queryInfo, allowCacheWrite, options) {
        var requestId = queryInfo.lastRequestId = this.generateRequestId();
        return asyncMap(this.getObservableFromLink(queryInfo.document, options.context, options.variables), function (result) {
            var hasErrors = isNonEmptyArray(result.errors);
            if (requestId >= queryInfo.lastRequestId) {
                if (hasErrors && options.errorPolicy === "none") {
                    throw queryInfo.markError(new ApolloError({
                        graphQLErrors: result.errors,
                    }));
                }
                queryInfo.markResult(result, options, allowCacheWrite);
                queryInfo.markReady();
            }
            var aqr = {
                data: result.data,
                loading: false,
                networkStatus: queryInfo.networkStatus || exports.NetworkStatus.ready,
            };
            if (hasErrors && options.errorPolicy !== "ignore") {
                aqr.errors = result.errors;
            }
            return aqr;
        }, function (networkError) {
            var error = isApolloError(networkError)
                ? networkError
                : new ApolloError({ networkError: networkError });
            if (requestId >= queryInfo.lastRequestId) {
                queryInfo.markError(error);
            }
            throw error;
        });
    };
    QueryManager.prototype.fetchQueryObservable = function (queryId, options, networkStatus) {
        var _this = this;
        if (networkStatus === void 0) { networkStatus = exports.NetworkStatus.loading; }
        var query = this.transform(options.query).document;
        var variables = this.getVariables(query, options.variables);
        var queryInfo = this.getQuery(queryId);
        var oldNetworkStatus = queryInfo.networkStatus;
        var _a = options.fetchPolicy, fetchPolicy = _a === void 0 ? "cache-first" : _a, _b = options.errorPolicy, errorPolicy = _b === void 0 ? "none" : _b, _c = options.returnPartialData, returnPartialData = _c === void 0 ? false : _c, _d = options.notifyOnNetworkStatusChange, notifyOnNetworkStatusChange = _d === void 0 ? false : _d, _e = options.context, context = _e === void 0 ? {} : _e;
        var mightUseNetwork = fetchPolicy === "cache-first" ||
            fetchPolicy === "cache-and-network" ||
            fetchPolicy === "network-only" ||
            fetchPolicy === "no-cache";
        if (mightUseNetwork &&
            notifyOnNetworkStatusChange &&
            typeof oldNetworkStatus === "number" &&
            oldNetworkStatus !== networkStatus &&
            isNetworkRequestInFlight(networkStatus)) {
            if (fetchPolicy !== "cache-first") {
                fetchPolicy = "cache-and-network";
            }
            returnPartialData = true;
        }
        var normalized = Object.assign({}, options, {
            query: query,
            variables: variables,
            fetchPolicy: fetchPolicy,
            errorPolicy: errorPolicy,
            returnPartialData: returnPartialData,
            notifyOnNetworkStatusChange: notifyOnNetworkStatusChange,
            context: context,
        });
        var fromVariables = function (variables) {
            normalized.variables = variables;
            return _this.fetchQueryByPolicy(queryInfo, normalized, networkStatus);
        };
        this.fetchCancelFns.set(queryId, function (reason) {
            Promise.resolve().then(function () { return concast.cancel(reason); });
        });
        var concast = new Concast(this.transform(normalized.query).hasClientExports
            ? this.localState.addExportedVariables(normalized.query, normalized.variables, normalized.context).then(fromVariables)
            : fromVariables(normalized.variables));
        concast.cleanup(function () {
            _this.fetchCancelFns.delete(queryId);
            var nextFetchPolicy = options.nextFetchPolicy;
            if (nextFetchPolicy) {
                options.nextFetchPolicy = void 0;
                options.fetchPolicy = typeof nextFetchPolicy === "function"
                    ? nextFetchPolicy.call(options, options.fetchPolicy || "cache-first")
                    : nextFetchPolicy;
            }
        });
        return concast;
    };
    QueryManager.prototype.fetchQueryByPolicy = function (queryInfo, options, networkStatus) {
        var _this = this;
        var query = options.query, variables = options.variables, fetchPolicy = options.fetchPolicy, errorPolicy = options.errorPolicy, returnPartialData = options.returnPartialData, context = options.context;
        queryInfo.init({
            document: query,
            variables: variables,
            networkStatus: networkStatus,
        });
        var readCache = function () { return queryInfo.getDiff(variables); };
        var resultsFromCache = function (diff, networkStatus) {
            if (networkStatus === void 0) { networkStatus = queryInfo.networkStatus || exports.NetworkStatus.loading; }
            var data = diff.result;
            if (process.env.NODE_ENV !== 'production' &&
                isNonEmptyArray(diff.missing) &&
                !equality.equal(data, {}) &&
                !returnPartialData) {
                process.env.NODE_ENV === "production" || tsInvariant.invariant.warn("Missing cache result fields: " + diff.missing.map(function (m) { return m.path.join('.'); }).join(', '), diff.missing);
            }
            var fromData = function (data) { return Observable.of(tslib.__assign({ data: data, loading: isNetworkRequestInFlight(networkStatus), networkStatus: networkStatus }, (diff.complete ? null : { partial: true }))); };
            if (_this.transform(query).hasForcedResolvers) {
                return _this.localState.runResolvers({
                    document: query,
                    remoteResult: { data: data },
                    context: context,
                    variables: variables,
                    onlyRunForcedResolvers: true,
                }).then(function (resolved) { return fromData(resolved.data); });
            }
            return fromData(data);
        };
        var resultsFromLink = function (allowCacheWrite) {
            return _this.getResultsFromLink(queryInfo, allowCacheWrite, {
                variables: variables,
                context: context,
                fetchPolicy: fetchPolicy,
                errorPolicy: errorPolicy,
            });
        };
        switch (fetchPolicy) {
            default:
            case "cache-first": {
                var diff = readCache();
                if (diff.complete) {
                    return [
                        resultsFromCache(diff, queryInfo.markReady()),
                    ];
                }
                if (returnPartialData) {
                    return [
                        resultsFromCache(diff),
                        resultsFromLink(true),
                    ];
                }
                return [
                    resultsFromLink(true),
                ];
            }
            case "cache-and-network": {
                var diff = readCache();
                if (diff.complete || returnPartialData) {
                    return [
                        resultsFromCache(diff),
                        resultsFromLink(true),
                    ];
                }
                return [
                    resultsFromLink(true),
                ];
            }
            case "cache-only":
                return [
                    resultsFromCache(readCache(), queryInfo.markReady()),
                ];
            case "network-only":
                return [resultsFromLink(true)];
            case "no-cache":
                return [resultsFromLink(false)];
            case "standby":
                return [];
        }
    };
    QueryManager.prototype.getQuery = function (queryId) {
        if (queryId && !this.queries.has(queryId)) {
            this.queries.set(queryId, new QueryInfo(this.cache));
        }
        return this.queries.get(queryId);
    };
    QueryManager.prototype.prepareContext = function (context) {
        if (context === void 0) { context = {}; }
        var newContext = this.localState.prepareContext(context);
        return tslib.__assign(tslib.__assign({}, newContext), { clientAwareness: this.clientAwareness });
    };
    return QueryManager;
}());

var hasSuggestedDevtools = false;
function mergeOptions(defaults, options) {
    return compact(defaults, options, options.variables && {
        variables: tslib.__assign(tslib.__assign({}, defaults.variables), options.variables),
    });
}
var ApolloClient = (function () {
    function ApolloClient(options) {
        var _this = this;
        this.defaultOptions = {};
        this.resetStoreCallbacks = [];
        this.clearStoreCallbacks = [];
        var uri = options.uri, credentials = options.credentials, headers = options.headers, cache = options.cache, _a = options.ssrMode, ssrMode = _a === void 0 ? false : _a, _b = options.ssrForceFetchDelay, ssrForceFetchDelay = _b === void 0 ? 0 : _b, _c = options.connectToDevTools, connectToDevTools = _c === void 0 ? typeof window === 'object' &&
            !window.__APOLLO_CLIENT__ &&
            process.env.NODE_ENV !== 'production' : _c, _d = options.queryDeduplication, queryDeduplication = _d === void 0 ? true : _d, defaultOptions = options.defaultOptions, _e = options.assumeImmutableResults, assumeImmutableResults = _e === void 0 ? false : _e, resolvers = options.resolvers, typeDefs = options.typeDefs, fragmentMatcher = options.fragmentMatcher, clientAwarenessName = options.name, clientAwarenessVersion = options.version;
        var link = options.link;
        if (!link) {
            link = uri
                ? new HttpLink({ uri: uri, credentials: credentials, headers: headers })
                : ApolloLink.empty();
        }
        if (!cache) {
            throw process.env.NODE_ENV === "production" ? new tsInvariant.InvariantError(9) : new tsInvariant.InvariantError("To initialize Apollo Client, you must specify a 'cache' property " +
                "in the options object. \n" +
                "For more information, please visit: https://go.apollo.dev/c/docs");
        }
        this.link = link;
        this.cache = cache;
        this.disableNetworkFetches = ssrMode || ssrForceFetchDelay > 0;
        this.queryDeduplication = queryDeduplication;
        this.defaultOptions = defaultOptions || {};
        this.typeDefs = typeDefs;
        if (ssrForceFetchDelay) {
            setTimeout(function () { return (_this.disableNetworkFetches = false); }, ssrForceFetchDelay);
        }
        this.watchQuery = this.watchQuery.bind(this);
        this.query = this.query.bind(this);
        this.mutate = this.mutate.bind(this);
        this.resetStore = this.resetStore.bind(this);
        this.reFetchObservableQueries = this.reFetchObservableQueries.bind(this);
        if (connectToDevTools && typeof window === 'object') {
            window.__APOLLO_CLIENT__ = this;
        }
        if (!hasSuggestedDevtools && process.env.NODE_ENV !== 'production') {
            hasSuggestedDevtools = true;
            if (typeof window !== 'undefined' &&
                window.document &&
                window.top === window.self &&
                !window.__APOLLO_DEVTOOLS_GLOBAL_HOOK__) {
                var nav = window.navigator;
                var ua = nav && nav.userAgent;
                var url = void 0;
                if (typeof ua === "string") {
                    if (ua.indexOf("Chrome/") > -1) {
                        url = "https://chrome.google.com/webstore/detail/" +
                            "apollo-client-developer-t/jdkknkkbebbapilgoeccciglkfbmbnfm";
                    }
                    else if (ua.indexOf("Firefox/") > -1) {
                        url = "https://addons.mozilla.org/en-US/firefox/addon/apollo-developer-tools/";
                    }
                }
                if (url) {
                    tsInvariant.invariant.log("Download the Apollo DevTools for a better development " +
                        "experience: " + url);
                }
            }
        }
        this.version = version;
        this.localState = new LocalState({
            cache: cache,
            client: this,
            resolvers: resolvers,
            fragmentMatcher: fragmentMatcher,
        });
        this.queryManager = new QueryManager({
            cache: this.cache,
            link: this.link,
            queryDeduplication: queryDeduplication,
            ssrMode: ssrMode,
            clientAwareness: {
                name: clientAwarenessName,
                version: clientAwarenessVersion,
            },
            localState: this.localState,
            assumeImmutableResults: assumeImmutableResults,
            onBroadcast: connectToDevTools ? function () {
                if (_this.devToolsHookCb) {
                    _this.devToolsHookCb({
                        action: {},
                        state: {
                            queries: _this.queryManager.getQueryStore(),
                            mutations: _this.queryManager.mutationStore || {},
                        },
                        dataWithOptimisticResults: _this.cache.extract(true),
                    });
                }
            } : void 0,
        });
    }
    ApolloClient.prototype.stop = function () {
        this.queryManager.stop();
    };
    ApolloClient.prototype.watchQuery = function (options) {
        if (this.defaultOptions.watchQuery) {
            options = mergeOptions(this.defaultOptions.watchQuery, options);
        }
        if (this.disableNetworkFetches &&
            (options.fetchPolicy === 'network-only' ||
                options.fetchPolicy === 'cache-and-network')) {
            options = tslib.__assign(tslib.__assign({}, options), { fetchPolicy: 'cache-first' });
        }
        return this.queryManager.watchQuery(options);
    };
    ApolloClient.prototype.query = function (options) {
        if (this.defaultOptions.query) {
            options = mergeOptions(this.defaultOptions.query, options);
        }
        process.env.NODE_ENV === "production" ? tsInvariant.invariant(options.fetchPolicy !== 'cache-and-network', 10) : tsInvariant.invariant(options.fetchPolicy !== 'cache-and-network', 'The cache-and-network fetchPolicy does not work with client.query, because ' +
            'client.query can only return a single result. Please use client.watchQuery ' +
            'to receive multiple results from the cache and the network, or consider ' +
            'using a different fetchPolicy, such as cache-first or network-only.');
        if (this.disableNetworkFetches && options.fetchPolicy === 'network-only') {
            options = tslib.__assign(tslib.__assign({}, options), { fetchPolicy: 'cache-first' });
        }
        return this.queryManager.query(options);
    };
    ApolloClient.prototype.mutate = function (options) {
        if (this.defaultOptions.mutate) {
            options = mergeOptions(this.defaultOptions.mutate, options);
        }
        return this.queryManager.mutate(options);
    };
    ApolloClient.prototype.subscribe = function (options) {
        return this.queryManager.startGraphQLSubscription(options);
    };
    ApolloClient.prototype.readQuery = function (options, optimistic) {
        if (optimistic === void 0) { optimistic = false; }
        return this.cache.readQuery(options, optimistic);
    };
    ApolloClient.prototype.readFragment = function (options, optimistic) {
        if (optimistic === void 0) { optimistic = false; }
        return this.cache.readFragment(options, optimistic);
    };
    ApolloClient.prototype.writeQuery = function (options) {
        this.cache.writeQuery(options);
        this.queryManager.broadcastQueries();
    };
    ApolloClient.prototype.writeFragment = function (options) {
        this.cache.writeFragment(options);
        this.queryManager.broadcastQueries();
    };
    ApolloClient.prototype.__actionHookForDevTools = function (cb) {
        this.devToolsHookCb = cb;
    };
    ApolloClient.prototype.__requestRaw = function (payload) {
        return execute(this.link, payload);
    };
    ApolloClient.prototype.resetStore = function () {
        var _this = this;
        return Promise.resolve()
            .then(function () { return _this.queryManager.clearStore(); })
            .then(function () { return Promise.all(_this.resetStoreCallbacks.map(function (fn) { return fn(); })); })
            .then(function () { return _this.reFetchObservableQueries(); });
    };
    ApolloClient.prototype.clearStore = function () {
        var _this = this;
        return Promise.resolve()
            .then(function () { return _this.queryManager.clearStore(); })
            .then(function () { return Promise.all(_this.clearStoreCallbacks.map(function (fn) { return fn(); })); });
    };
    ApolloClient.prototype.onResetStore = function (cb) {
        var _this = this;
        this.resetStoreCallbacks.push(cb);
        return function () {
            _this.resetStoreCallbacks = _this.resetStoreCallbacks.filter(function (c) { return c !== cb; });
        };
    };
    ApolloClient.prototype.onClearStore = function (cb) {
        var _this = this;
        this.clearStoreCallbacks.push(cb);
        return function () {
            _this.clearStoreCallbacks = _this.clearStoreCallbacks.filter(function (c) { return c !== cb; });
        };
    };
    ApolloClient.prototype.reFetchObservableQueries = function (includeStandby) {
        return this.queryManager.reFetchObservableQueries(includeStandby);
    };
    ApolloClient.prototype.extract = function (optimistic) {
        return this.cache.extract(optimistic);
    };
    ApolloClient.prototype.restore = function (serializedState) {
        return this.cache.restore(serializedState);
    };
    ApolloClient.prototype.addResolvers = function (resolvers) {
        this.localState.addResolvers(resolvers);
    };
    ApolloClient.prototype.setResolvers = function (resolvers) {
        this.localState.setResolvers(resolvers);
    };
    ApolloClient.prototype.getResolvers = function () {
        return this.localState.getResolvers();
    };
    ApolloClient.prototype.setLocalStateFragmentMatcher = function (fragmentMatcher) {
        this.localState.setFragmentMatcher(fragmentMatcher);
    };
    ApolloClient.prototype.setLink = function (newLink) {
        this.link = this.queryManager.link = newLink;
    };
    return ApolloClient;
}());

var cache = new (canUseWeakMap ? WeakMap : Map)();
function getApolloContext() {
    var context = cache.get(React__default.createContext);
    if (!context) {
        context = React__default.createContext({});
        context.displayName = 'ApolloContext';
        cache.set(React__default.createContext, context);
    }
    return context;
}

var ApolloConsumer = function (props) {
    var ApolloContext = getApolloContext();
    return React__default.createElement(ApolloContext.Consumer, null, function (context) {
        process.env.NODE_ENV === "production" ? tsInvariant.invariant(context && context.client, 27) : tsInvariant.invariant(context && context.client, 'Could not find "client" in the context of ApolloConsumer. ' +
            'Wrap the root component in an <ApolloProvider>.');
        return props.children(context.client);
    });
};

var ApolloProvider = function (_a) {
    var client = _a.client, children = _a.children;
    var ApolloContext = getApolloContext();
    return React__default.createElement(ApolloContext.Consumer, null, function (context) {
        if (context === void 0) { context = {}; }
        if (client && context.client !== client) {
            context = Object.assign({}, context, { client: client });
        }
        process.env.NODE_ENV === "production" ? tsInvariant.invariant(context.client, 28) : tsInvariant.invariant(context.client, 'ApolloProvider was not passed a client instance. Make ' +
            'sure you pass in your client via the "client" prop.');
        return (React__default.createElement(ApolloContext.Provider, { value: context }, children));
    });
};

function useApolloClient() {
    var client = React__default.useContext(getApolloContext()).client;
    process.env.NODE_ENV === "production" ? tsInvariant.invariant(client, 33) : tsInvariant.invariant(client, 'No Apollo Client instance can be found. Please ensure that you ' +
        'have called `ApolloProvider` higher up in your tree.');
    return client;
}

(function (DocumentType) {
    DocumentType[DocumentType["Query"] = 0] = "Query";
    DocumentType[DocumentType["Mutation"] = 1] = "Mutation";
    DocumentType[DocumentType["Subscription"] = 2] = "Subscription";
})(exports.DocumentType || (exports.DocumentType = {}));
var cache$1 = new Map();
function operationName(type) {
    var name;
    switch (type) {
        case exports.DocumentType.Query:
            name = 'Query';
            break;
        case exports.DocumentType.Mutation:
            name = 'Mutation';
            break;
        case exports.DocumentType.Subscription:
            name = 'Subscription';
            break;
    }
    return name;
}
function parser(document) {
    var cached = cache$1.get(document);
    if (cached)
        return cached;
    var variables, type, name;
    process.env.NODE_ENV === "production" ? tsInvariant.invariant(!!document && !!document.kind, 34) : tsInvariant.invariant(!!document && !!document.kind, "Argument of " + document + " passed to parser was not a valid GraphQL " +
        "DocumentNode. You may need to use 'graphql-tag' or another method " +
        "to convert your operation into a document");
    var fragments = document.definitions.filter(function (x) { return x.kind === 'FragmentDefinition'; });
    var queries = document.definitions.filter(function (x) {
        return x.kind === 'OperationDefinition' && x.operation === 'query';
    });
    var mutations = document.definitions.filter(function (x) {
        return x.kind === 'OperationDefinition' && x.operation === 'mutation';
    });
    var subscriptions = document.definitions.filter(function (x) {
        return x.kind === 'OperationDefinition' && x.operation === 'subscription';
    });
    process.env.NODE_ENV === "production" ? tsInvariant.invariant(!fragments.length ||
        (queries.length || mutations.length || subscriptions.length), 35) : tsInvariant.invariant(!fragments.length ||
        (queries.length || mutations.length || subscriptions.length), "Passing only a fragment to 'graphql' is not yet supported. " +
        "You must include a query, subscription or mutation as well");
    process.env.NODE_ENV === "production" ? tsInvariant.invariant(queries.length + mutations.length + subscriptions.length <= 1, 36) : tsInvariant.invariant(queries.length + mutations.length + subscriptions.length <= 1, "react-apollo only supports a query, subscription, or a mutation per HOC. " +
        (document + " had " + queries.length + " queries, " + subscriptions.length + " ") +
        ("subscriptions and " + mutations.length + " mutations. ") +
        "You can use 'compose' to join multiple operation types to a component");
    type = queries.length ? exports.DocumentType.Query : exports.DocumentType.Mutation;
    if (!queries.length && !mutations.length)
        type = exports.DocumentType.Subscription;
    var definitions = queries.length
        ? queries
        : mutations.length
            ? mutations
            : subscriptions;
    process.env.NODE_ENV === "production" ? tsInvariant.invariant(definitions.length === 1, 37) : tsInvariant.invariant(definitions.length === 1, "react-apollo only supports one definition per HOC. " + document + " had " +
        (definitions.length + " definitions. ") +
        "You can use 'compose' to join multiple operation types to a component");
    var definition = definitions[0];
    variables = definition.variableDefinitions || [];
    if (definition.name && definition.name.kind === 'Name') {
        name = definition.name.value;
    }
    else {
        name = 'data';
    }
    var payload = { name: name, type: type, variables: variables };
    cache$1.set(document, payload);
    return payload;
}

var OperationData = (function () {
    function OperationData(options, context) {
        this.isMounted = false;
        this.previousOptions = {};
        this.context = {};
        this.options = {};
        this.options = options || {};
        this.context = context || {};
    }
    OperationData.prototype.getOptions = function () {
        return this.options;
    };
    OperationData.prototype.setOptions = function (newOptions, storePrevious) {
        if (storePrevious === void 0) { storePrevious = false; }
        if (storePrevious && !equality.equal(this.options, newOptions)) {
            this.previousOptions = this.options;
        }
        this.options = newOptions;
    };
    OperationData.prototype.unmount = function () {
        this.isMounted = false;
    };
    OperationData.prototype.refreshClient = function () {
        var client = (this.options && this.options.client) ||
            (this.context && this.context.client);
        process.env.NODE_ENV === "production" ? tsInvariant.invariant(!!client, 29) : tsInvariant.invariant(!!client, 'Could not find "client" in the context or passed in as an option. ' +
            'Wrap the root component in an <ApolloProvider>, or pass an ' +
            'ApolloClient instance in via options.');
        var isNew = false;
        if (client !== this.client) {
            isNew = true;
            this.client = client;
            this.cleanup();
        }
        return {
            client: this.client,
            isNew: isNew
        };
    };
    OperationData.prototype.verifyDocumentType = function (document, type) {
        var operation = parser(document);
        var requiredOperationName = operationName(type);
        var usedOperationName = operationName(operation.type);
        process.env.NODE_ENV === "production" ? tsInvariant.invariant(operation.type === type, 30) : tsInvariant.invariant(operation.type === type, "Running a " + requiredOperationName + " requires a graphql " +
            (requiredOperationName + ", but a " + usedOperationName + " was used instead."));
    };
    return OperationData;
}());

var SubscriptionData = (function (_super) {
    tslib.__extends(SubscriptionData, _super);
    function SubscriptionData(_a) {
        var options = _a.options, context = _a.context, setResult = _a.setResult;
        var _this = _super.call(this, options, context) || this;
        _this.currentObservable = {};
        _this.setResult = setResult;
        _this.initialize(options);
        return _this;
    }
    SubscriptionData.prototype.execute = function (result) {
        if (this.getOptions().skip === true) {
            this.cleanup();
            return {
                loading: false,
                error: undefined,
                data: undefined,
                variables: this.getOptions().variables
            };
        }
        var currentResult = result;
        if (this.refreshClient().isNew) {
            currentResult = this.getLoadingResult();
        }
        var shouldResubscribe = this.getOptions().shouldResubscribe;
        if (typeof shouldResubscribe === 'function') {
            shouldResubscribe = !!shouldResubscribe(this.getOptions());
        }
        if (shouldResubscribe !== false &&
            this.previousOptions &&
            Object.keys(this.previousOptions).length > 0 &&
            (this.previousOptions.subscription !== this.getOptions().subscription ||
                !equality.equal(this.previousOptions.variables, this.getOptions().variables) ||
                this.previousOptions.skip !== this.getOptions().skip)) {
            this.cleanup();
            currentResult = this.getLoadingResult();
        }
        this.initialize(this.getOptions());
        this.startSubscription();
        this.previousOptions = this.getOptions();
        return tslib.__assign(tslib.__assign({}, currentResult), { variables: this.getOptions().variables });
    };
    SubscriptionData.prototype.afterExecute = function () {
        this.isMounted = true;
    };
    SubscriptionData.prototype.cleanup = function () {
        this.endSubscription();
        delete this.currentObservable.query;
    };
    SubscriptionData.prototype.initialize = function (options) {
        if (this.currentObservable.query || this.getOptions().skip === true)
            return;
        this.currentObservable.query = this.refreshClient().client.subscribe({
            query: options.subscription,
            variables: options.variables,
            fetchPolicy: options.fetchPolicy,
            context: options.context,
        });
    };
    SubscriptionData.prototype.startSubscription = function () {
        if (this.currentObservable.subscription)
            return;
        this.currentObservable.subscription = this.currentObservable.query.subscribe({
            next: this.updateCurrentData.bind(this),
            error: this.updateError.bind(this),
            complete: this.completeSubscription.bind(this)
        });
    };
    SubscriptionData.prototype.getLoadingResult = function () {
        return {
            loading: true,
            error: undefined,
            data: undefined
        };
    };
    SubscriptionData.prototype.updateResult = function (result) {
        if (this.isMounted) {
            this.setResult(result);
        }
    };
    SubscriptionData.prototype.updateCurrentData = function (result) {
        var onSubscriptionData = this.getOptions().onSubscriptionData;
        this.updateResult({
            data: result.data,
            loading: false,
            error: undefined
        });
        if (onSubscriptionData) {
            onSubscriptionData({
                client: this.refreshClient().client,
                subscriptionData: result
            });
        }
    };
    SubscriptionData.prototype.updateError = function (error) {
        this.updateResult({
            error: error,
            loading: false
        });
    };
    SubscriptionData.prototype.completeSubscription = function () {
        var _this = this;
        Promise.resolve().then(function () {
            var onSubscriptionComplete = _this.getOptions().onSubscriptionComplete;
            if (onSubscriptionComplete)
                onSubscriptionComplete();
            _this.endSubscription();
        });
    };
    SubscriptionData.prototype.endSubscription = function () {
        if (this.currentObservable.subscription) {
            this.currentObservable.subscription.unsubscribe();
            delete this.currentObservable.subscription;
        }
    };
    return SubscriptionData;
}(OperationData));

var MutationData = (function (_super) {
    tslib.__extends(MutationData, _super);
    function MutationData(_a) {
        var options = _a.options, context = _a.context, result = _a.result, setResult = _a.setResult;
        var _this = _super.call(this, options, context) || this;
        _this.runMutation = function (mutationFunctionOptions) {
            if (mutationFunctionOptions === void 0) { mutationFunctionOptions = {}; }
            _this.onMutationStart();
            var mutationId = _this.generateNewMutationId();
            return _this.mutate(mutationFunctionOptions)
                .then(function (response) {
                _this.onMutationCompleted(response, mutationId);
                return response;
            })
                .catch(function (error) {
                var onError = _this.getOptions().onError;
                _this.onMutationError(error, mutationId);
                if (onError) {
                    onError(error);
                    return {
                        data: undefined,
                        errors: error,
                    };
                }
                else {
                    throw error;
                }
            });
        };
        _this.verifyDocumentType(options.mutation, exports.DocumentType.Mutation);
        _this.result = result;
        _this.setResult = setResult;
        _this.mostRecentMutationId = 0;
        return _this;
    }
    MutationData.prototype.execute = function (result) {
        this.isMounted = true;
        this.verifyDocumentType(this.getOptions().mutation, exports.DocumentType.Mutation);
        return [
            this.runMutation,
            tslib.__assign(tslib.__assign({}, result), { client: this.refreshClient().client })
        ];
    };
    MutationData.prototype.afterExecute = function () {
        this.isMounted = true;
        return this.unmount.bind(this);
    };
    MutationData.prototype.cleanup = function () {
    };
    MutationData.prototype.mutate = function (options) {
        return this.refreshClient().client.mutate(mergeOptions(this.getOptions(), options));
    };
    MutationData.prototype.onMutationStart = function () {
        if (!this.result.loading && !this.getOptions().ignoreResults) {
            this.updateResult({
                loading: true,
                error: undefined,
                data: undefined,
                called: true
            });
        }
    };
    MutationData.prototype.onMutationCompleted = function (response, mutationId) {
        var _a = this.getOptions(), onCompleted = _a.onCompleted, ignoreResults = _a.ignoreResults;
        var data = response.data, errors = response.errors;
        var error = errors && errors.length > 0
            ? new ApolloError({ graphQLErrors: errors })
            : undefined;
        var callOncomplete = function () {
            return onCompleted ? onCompleted(data) : null;
        };
        if (this.isMostRecentMutation(mutationId) && !ignoreResults) {
            this.updateResult({
                called: true,
                loading: false,
                data: data,
                error: error
            });
        }
        callOncomplete();
    };
    MutationData.prototype.onMutationError = function (error, mutationId) {
        if (this.isMostRecentMutation(mutationId)) {
            this.updateResult({
                loading: false,
                error: error,
                data: undefined,
                called: true
            });
        }
    };
    MutationData.prototype.generateNewMutationId = function () {
        return ++this.mostRecentMutationId;
    };
    MutationData.prototype.isMostRecentMutation = function (mutationId) {
        return this.mostRecentMutationId === mutationId;
    };
    MutationData.prototype.updateResult = function (result) {
        if (this.isMounted &&
            (!this.previousResult || !equality.equal(this.previousResult, result))) {
            this.setResult(result);
            this.previousResult = result;
            return result;
        }
    };
    return MutationData;
}(OperationData));

var QueryData = (function (_super) {
    tslib.__extends(QueryData, _super);
    function QueryData(_a) {
        var options = _a.options, context = _a.context, onNewData = _a.onNewData;
        var _this = _super.call(this, options, context) || this;
        _this.runLazy = false;
        _this.previous = Object.create(null);
        _this.runLazyQuery = function (options) {
            _this.cleanup();
            _this.runLazy = true;
            _this.lazyOptions = options;
            _this.onNewData();
        };
        _this.getQueryResult = function () {
            var result = _this.observableQueryFields();
            var options = _this.getOptions();
            if (options.skip) {
                result = tslib.__assign(tslib.__assign({}, result), { data: undefined, error: undefined, loading: false, networkStatus: exports.NetworkStatus.ready, called: true });
            }
            else if (_this.currentObservable) {
                var currentResult = _this.currentObservable.getCurrentResult();
                var data = currentResult.data, loading = currentResult.loading, partial = currentResult.partial, networkStatus = currentResult.networkStatus, errors = currentResult.errors;
                var error = currentResult.error;
                if (errors && errors.length > 0) {
                    error = new ApolloError({ graphQLErrors: errors });
                }
                result = tslib.__assign(tslib.__assign({}, result), { data: data,
                    loading: loading,
                    networkStatus: networkStatus,
                    error: error, called: true });
                if (loading) ;
                else if (error) {
                    Object.assign(result, {
                        data: (_this.currentObservable.getLastResult() || {})
                            .data
                    });
                }
                else {
                    var fetchPolicy = _this.currentObservable.options.fetchPolicy;
                    var partialRefetch = options.partialRefetch;
                    if (partialRefetch &&
                        partial &&
                        (!data || Object.keys(data).length === 0) &&
                        fetchPolicy !== 'cache-only') {
                        Object.assign(result, {
                            loading: true,
                            networkStatus: exports.NetworkStatus.loading
                        });
                        result.refetch();
                        return result;
                    }
                }
            }
            result.client = _this.client;
            _this.setOptions(options, true);
            var previousResult = _this.previous.result;
            _this.previous.loading =
                previousResult && previousResult.loading || false;
            result.previousData = previousResult &&
                (previousResult.data || previousResult.previousData);
            _this.previous.result = result;
            _this.currentObservable && _this.currentObservable.resetQueryStoreErrors();
            return result;
        };
        _this.obsRefetch = function (variables) { var _a; return (_a = _this.currentObservable) === null || _a === void 0 ? void 0 : _a.refetch(variables); };
        _this.obsFetchMore = function (fetchMoreOptions) { return _this.currentObservable.fetchMore(fetchMoreOptions); };
        _this.obsUpdateQuery = function (mapFn) { return _this.currentObservable.updateQuery(mapFn); };
        _this.obsStartPolling = function (pollInterval) {
            var _a;
            (_a = _this.currentObservable) === null || _a === void 0 ? void 0 : _a.startPolling(pollInterval);
        };
        _this.obsStopPolling = function () {
            var _a;
            (_a = _this.currentObservable) === null || _a === void 0 ? void 0 : _a.stopPolling();
        };
        _this.obsSubscribeToMore = function (options) { return _this.currentObservable.subscribeToMore(options); };
        _this.onNewData = onNewData;
        return _this;
    }
    QueryData.prototype.execute = function () {
        this.refreshClient();
        var _a = this.getOptions(), skip = _a.skip, query = _a.query;
        if (skip || query !== this.previous.query) {
            this.removeQuerySubscription();
            this.removeObservable(!skip);
            this.previous.query = query;
        }
        this.updateObservableQuery();
        if (this.isMounted)
            this.startQuerySubscription();
        return this.getExecuteSsrResult() || this.getExecuteResult();
    };
    QueryData.prototype.executeLazy = function () {
        return !this.runLazy
            ? [
                this.runLazyQuery,
                {
                    loading: false,
                    networkStatus: exports.NetworkStatus.ready,
                    called: false,
                    data: undefined
                }
            ]
            : [this.runLazyQuery, this.execute()];
    };
    QueryData.prototype.fetchData = function () {
        var _this = this;
        var options = this.getOptions();
        if (options.skip || options.ssr === false)
            return false;
        return new Promise(function (resolve) { return _this.startQuerySubscription(resolve); });
    };
    QueryData.prototype.afterExecute = function (_a) {
        var _b = (_a === void 0 ? {} : _a).lazy, lazy = _b === void 0 ? false : _b;
        this.isMounted = true;
        if (!lazy || this.runLazy) {
            this.handleErrorOrCompleted();
        }
        this.previousOptions = this.getOptions();
        return this.unmount.bind(this);
    };
    QueryData.prototype.cleanup = function () {
        this.removeQuerySubscription();
        this.removeObservable(true);
        delete this.previous.result;
    };
    QueryData.prototype.getOptions = function () {
        var options = _super.prototype.getOptions.call(this);
        if (this.lazyOptions) {
            options.variables = tslib.__assign(tslib.__assign({}, options.variables), this.lazyOptions.variables);
            options.context = tslib.__assign(tslib.__assign({}, options.context), this.lazyOptions.context);
        }
        if (this.runLazy) {
            delete options.skip;
        }
        return options;
    };
    QueryData.prototype.ssrInitiated = function () {
        return this.context && this.context.renderPromises;
    };
    QueryData.prototype.getExecuteResult = function () {
        var result = this.getQueryResult();
        this.startQuerySubscription();
        return result;
    };
    QueryData.prototype.getExecuteSsrResult = function () {
        var _a = this.getOptions(), ssr = _a.ssr, skip = _a.skip;
        var ssrDisabled = ssr === false;
        var fetchDisabled = this.refreshClient().client.disableNetworkFetches;
        var ssrLoading = tslib.__assign({ loading: true, networkStatus: exports.NetworkStatus.loading, called: true, data: undefined, stale: false, client: this.client }, this.observableQueryFields());
        if (ssrDisabled && (this.ssrInitiated() || fetchDisabled)) {
            this.previous.result = ssrLoading;
            return ssrLoading;
        }
        if (this.ssrInitiated()) {
            var result = this.getQueryResult() || ssrLoading;
            if (result.loading && !skip) {
                this.context.renderPromises.addQueryPromise(this, function () { return null; });
            }
            return result;
        }
    };
    QueryData.prototype.prepareObservableQueryOptions = function () {
        var options = this.getOptions();
        this.verifyDocumentType(options.query, exports.DocumentType.Query);
        var displayName = options.displayName || 'Query';
        if (this.ssrInitiated() &&
            (options.fetchPolicy === 'network-only' ||
                options.fetchPolicy === 'cache-and-network')) {
            options.fetchPolicy = 'cache-first';
        }
        return tslib.__assign(tslib.__assign({}, options), { displayName: displayName, context: options.context });
    };
    QueryData.prototype.initializeObservableQuery = function () {
        if (this.ssrInitiated()) {
            this.currentObservable = this.context.renderPromises.getSSRObservable(this.getOptions());
        }
        if (!this.currentObservable) {
            var observableQueryOptions = this.prepareObservableQueryOptions();
            this.previous.observableQueryOptions = tslib.__assign(tslib.__assign({}, observableQueryOptions), { children: null });
            this.currentObservable = this.refreshClient().client.watchQuery(tslib.__assign({}, observableQueryOptions));
            if (this.ssrInitiated()) {
                this.context.renderPromises.registerSSRObservable(this.currentObservable, observableQueryOptions);
            }
        }
    };
    QueryData.prototype.updateObservableQuery = function () {
        if (!this.currentObservable) {
            this.initializeObservableQuery();
            return;
        }
        if (this.getOptions().skip)
            return;
        var newObservableQueryOptions = tslib.__assign(tslib.__assign({}, this.prepareObservableQueryOptions()), { children: null });
        if (!equality.equal(newObservableQueryOptions, this.previous.observableQueryOptions)) {
            this.previous.observableQueryOptions = newObservableQueryOptions;
            this.currentObservable
                .setOptions(newObservableQueryOptions)
                .catch(function () { });
        }
    };
    QueryData.prototype.startQuerySubscription = function (onNewData) {
        var _this = this;
        if (onNewData === void 0) { onNewData = this.onNewData; }
        if (this.currentSubscription || this.getOptions().skip)
            return;
        this.currentSubscription = this.currentObservable.subscribe({
            next: function (_a) {
                var loading = _a.loading, networkStatus = _a.networkStatus, data = _a.data;
                var previousResult = _this.previous.result;
                if (previousResult &&
                    previousResult.loading === loading &&
                    previousResult.networkStatus === networkStatus &&
                    equality.equal(previousResult.data, data)) {
                    return;
                }
                onNewData();
            },
            error: function (error) {
                _this.resubscribeToQuery();
                if (!error.hasOwnProperty('graphQLErrors'))
                    throw error;
                var previousResult = _this.previous.result;
                if ((previousResult && previousResult.loading) ||
                    !equality.equal(error, _this.previous.error)) {
                    _this.previous.error = error;
                    onNewData();
                }
            }
        });
    };
    QueryData.prototype.resubscribeToQuery = function () {
        this.removeQuerySubscription();
        var currentObservable = this.currentObservable;
        if (currentObservable) {
            var lastError = currentObservable.getLastError();
            var lastResult = currentObservable.getLastResult();
            currentObservable.resetLastResults();
            this.startQuerySubscription();
            Object.assign(currentObservable, {
                lastError: lastError,
                lastResult: lastResult
            });
        }
    };
    QueryData.prototype.handleErrorOrCompleted = function () {
        if (!this.currentObservable || !this.previous.result)
            return;
        var _a = this.previous.result, data = _a.data, loading = _a.loading, error = _a.error;
        if (!loading) {
            var _b = this.getOptions(), query = _b.query, variables = _b.variables, onCompleted = _b.onCompleted, onError = _b.onError, skip = _b.skip;
            if (this.previousOptions &&
                !this.previous.loading &&
                equality.equal(this.previousOptions.query, query) &&
                equality.equal(this.previousOptions.variables, variables)) {
                return;
            }
            if (onCompleted && !error && !skip) {
                onCompleted(data);
            }
            else if (onError && error) {
                onError(error);
            }
        }
    };
    QueryData.prototype.removeQuerySubscription = function () {
        if (this.currentSubscription) {
            this.currentSubscription.unsubscribe();
            delete this.currentSubscription;
        }
    };
    QueryData.prototype.removeObservable = function (andDelete) {
        if (this.currentObservable) {
            this.currentObservable["tearDownQuery"]();
            if (andDelete) {
                delete this.currentObservable;
            }
        }
    };
    QueryData.prototype.observableQueryFields = function () {
        var _a;
        return {
            variables: (_a = this.currentObservable) === null || _a === void 0 ? void 0 : _a.variables,
            refetch: this.obsRefetch,
            fetchMore: this.obsFetchMore,
            updateQuery: this.obsUpdateQuery,
            startPolling: this.obsStartPolling,
            stopPolling: this.obsStopPolling,
            subscribeToMore: this.obsSubscribeToMore
        };
    };
    return QueryData;
}(OperationData));

function useDeepMemo(memoFn, key) {
    var ref = React.useRef();
    if (!ref.current || !equality.equal(key, ref.current.key)) {
        ref.current = { key: key, value: memoFn() };
    }
    return ref.current.value;
}

function useBaseQuery(query, options, lazy) {
    if (lazy === void 0) { lazy = false; }
    var context = React.useContext(getApolloContext());
    var _a = React.useReducer(function (x) { return x + 1; }, 0), tick = _a[0], forceUpdate = _a[1];
    var updatedOptions = options ? tslib.__assign(tslib.__assign({}, options), { query: query }) : { query: query };
    var queryDataRef = React.useRef();
    var queryData = queryDataRef.current || (queryDataRef.current = new QueryData({
        options: updatedOptions,
        context: context,
        onNewData: function () {
            if (!queryData.ssrInitiated()) {
                Promise.resolve().then(function () { return queryDataRef.current && forceUpdate(); });
            }
            else {
                forceUpdate();
            }
        }
    }));
    queryData.setOptions(updatedOptions);
    queryData.context = context;
    var memo = {
        options: tslib.__assign(tslib.__assign({}, updatedOptions), { onError: undefined, onCompleted: undefined }),
        context: context,
        tick: tick
    };
    var result = useDeepMemo(function () { return (lazy ? queryData.executeLazy() : queryData.execute()); }, memo);
    var queryResult = lazy
        ? result[1]
        : result;
    React.useEffect(function () {
        return function () { return queryData.cleanup(); };
    }, []);
    React.useEffect(function () { return queryData.afterExecute({ lazy: lazy }); }, [
        queryResult.loading,
        queryResult.networkStatus,
        queryResult.error,
        queryResult.data,
    ]);
    return result;
}

function useLazyQuery(query, options) {
    return useBaseQuery(query, options, true);
}

function useMutation(mutation, options) {
    var context = React.useContext(getApolloContext());
    var _a = React.useState({ called: false, loading: false }), result = _a[0], setResult = _a[1];
    var updatedOptions = options ? tslib.__assign(tslib.__assign({}, options), { mutation: mutation }) : { mutation: mutation };
    var mutationDataRef = React.useRef();
    function getMutationDataRef() {
        if (!mutationDataRef.current) {
            mutationDataRef.current = new MutationData({
                options: updatedOptions,
                context: context,
                result: result,
                setResult: setResult
            });
        }
        return mutationDataRef.current;
    }
    var mutationData = getMutationDataRef();
    mutationData.setOptions(updatedOptions);
    mutationData.context = context;
    React.useEffect(function () { return mutationData.afterExecute(); });
    return mutationData.execute(result);
}

function useQuery(query, options) {
    return useBaseQuery(query, options, false);
}

function useSubscription(subscription, options) {
    var context = React.useContext(getApolloContext());
    var updatedOptions = options
        ? tslib.__assign(tslib.__assign({}, options), { subscription: subscription }) : { subscription: subscription };
    var _a = React.useState({
        loading: !updatedOptions.skip,
        error: undefined,
        data: undefined
    }), result = _a[0], setResult = _a[1];
    var subscriptionDataRef = React.useRef();
    function getSubscriptionDataRef() {
        if (!subscriptionDataRef.current) {
            subscriptionDataRef.current = new SubscriptionData({
                options: updatedOptions,
                context: context,
                setResult: setResult
            });
        }
        return subscriptionDataRef.current;
    }
    var subscriptionData = getSubscriptionDataRef();
    subscriptionData.setOptions(updatedOptions, true);
    subscriptionData.context = context;
    React.useEffect(function () { return subscriptionData.afterExecute(); });
    React.useEffect(function () { return subscriptionData.cleanup.bind(subscriptionData); }, []);
    return subscriptionData.execute(result);
}

function useReactiveVar(rv) {
    var value = rv();
    var setValue = React.useState(value)[1];
    React.useEffect(function () {
        var probablySameValue = rv();
        if (value !== probablySameValue) {
            setValue(probablySameValue);
        }
        else {
            return rv.onNextChange(setValue);
        }
    }, [value]);
    return value;
}

exports.setLogVerbosity = tsInvariant.setVerbosity;
exports.Observable = Observable;
exports.disableExperimentalFragmentVariables = graphqlTag.disableExperimentalFragmentVariables;
exports.disableFragmentWarnings = graphqlTag.disableFragmentWarnings;
exports.enableExperimentalFragmentVariables = graphqlTag.enableExperimentalFragmentVariables;
exports.gql = graphqlTag__default;
exports.resetCaches = graphqlTag.resetCaches;
exports.ApolloCache = ApolloCache;
exports.ApolloClient = ApolloClient;
exports.ApolloConsumer = ApolloConsumer;
exports.ApolloError = ApolloError;
exports.ApolloLink = ApolloLink;
exports.ApolloProvider = ApolloProvider;
exports.HttpLink = HttpLink;
exports.InMemoryCache = InMemoryCache;
exports.MissingFieldError = MissingFieldError;
exports.ObservableQuery = ObservableQuery;
exports.checkFetcher = checkFetcher;
exports.concat = concat;
exports.createHttpLink = createHttpLink;
exports.createSignalIfSupported = createSignalIfSupported;
exports.defaultDataIdFromObject = defaultDataIdFromObject;
exports.empty = empty;
exports.execute = execute;
exports.fallbackHttpConfig = fallbackHttpConfig;
exports.from = from;
exports.fromError = fromError;
exports.fromPromise = fromPromise;
exports.getApolloContext = getApolloContext;
exports.isApolloError = isApolloError;
exports.isReference = isReference;
exports.makeReference = makeReference;
exports.makeVar = makeVar;
exports.mergeOptions = mergeOptions;
exports.operationName = operationName;
exports.parseAndCheckHttpResponse = parseAndCheckHttpResponse;
exports.parser = parser;
exports.resetApolloContext = getApolloContext;
exports.rewriteURIForGET = rewriteURIForGET;
exports.selectHttpOptionsAndBody = selectHttpOptionsAndBody;
exports.selectURI = selectURI;
exports.serializeFetchParameter = serializeFetchParameter;
exports.split = split;
exports.throwServerError = throwServerError;
exports.toPromise = toPromise;
exports.useApolloClient = useApolloClient;
exports.useLazyQuery = useLazyQuery;
exports.useMutation = useMutation;
exports.useQuery = useQuery;
exports.useReactiveVar = useReactiveVar;
exports.useSubscription = useSubscription;
//# sourceMappingURL=apollo-client.cjs.js.map