From 863d3f3f7fd4be228e681bb0f5bb045f9881270b Mon Sep 17 00:00:00 2001 From: gnanii Date: Tue, 10 Sep 2024 09:44:40 +0300 Subject: [PATCH] Typescript Capstone --- .DS_Store | Bin 0 -> 6148 bytes src/.DS_Store | Bin 0 -> 6148 bytes src/index.ts | 25 ++++++++ src/model/Role.ts | 4 ++ src/model/User.ts | 38 ++++++++++++ src/service/Observable.ts | 36 ++++++++++++ src/service/Observer.ts | 43 ++++++++++++++ src/service/RequestHandler.ts | 9 +++ src/util/HttpMethod.ts | 6 ++ src/util/HttpRequest.ts | 41 +++++++++++++ src/util/HttpUtil.ts | 2 + src/util/MockData.ts | 27 +++++++++ tsconfig.json | 108 ++++++++++++++++++++++++++++++++++ 13 files changed, 339 insertions(+) create mode 100644 .DS_Store create mode 100644 src/.DS_Store create mode 100644 src/index.ts create mode 100644 src/model/Role.ts create mode 100644 src/model/User.ts create mode 100644 src/service/Observable.ts create mode 100644 src/service/Observer.ts create mode 100644 src/service/RequestHandler.ts create mode 100644 src/util/HttpMethod.ts create mode 100644 src/util/HttpRequest.ts create mode 100644 src/util/HttpUtil.ts create mode 100644 src/util/MockData.ts create mode 100644 tsconfig.json diff --git a/.DS_Store b/.DS_Store new file mode 100644 index 0000000000000000000000000000000000000000..688170833248d63da4bd1ef9474ac94f7764bdd6 GIT binary patch literal 6148 zcmeHK&uiN-6n;vwR;Cnk*q}$juAxiPG8ns1KL_sQt9ELlV(2Gg`h)FvVcXKVy0?lA6WU$cgbYygEB z<2&ur7b;)pdbF191OKA}{O%-WR8UG|T6%v;t`qd}!uS9`x-o_tQ9u*q#$cQQcTuMN z#(y&ekGjlgQVGuJkE|beXC<@p+>LdWoab3tb-UN1(QG~1*p!=cOTLdj>seIA)wCSM zlegSD);dpa>v3|Djc3F5;{#n(aaN2chLELWq`Z5R6{(&L^t4Dz!;Nf*3}i5D@66}D z{(eXG_j-$tn!o6GJ8FOL`C<{sCr_WfJQ{w@&kB9PGGNhT)f?M(cng=PxH*4|CPl7` zQ$#p>n<{8AA`QhqLHASp#c+F7oyG~Wmo-Gwn^(Xq;1#$h1>Ei>x9({?Ka5wvEAVg> z;Qc|t8AFG)MYDCFFjoLz3t?lZ^DiTFl*7@P+!=z@V@AQ%V+f`Nho=4_Sv)G_*CAQ%V+z8TQ>p2I@nnWK&-fI z!m)k&6B}J1ri{HKS197HM0b^3Vo0tW#NDY+*}ivlcZluGIC3VBi-R_yqX&O056@ literal 0 HcmV?d00001 diff --git a/src/index.ts b/src/index.ts new file mode 100644 index 0000000..738831a --- /dev/null +++ b/src/index.ts @@ -0,0 +1,25 @@ +import {HttpRequest} from "./util/HttpRequest"; +import {HTTP_STATUS_INTERNAL_SERVER_ERROR, HTTP_STATUS_OK} from "./util/HttpUtil"; +import {Observable} from "./service/Observable"; +import {requestsMock} from "./util/MockData"; +import {User} from "./model/User"; + +const handleRequest = (request: HttpRequest) => { + console.log(`Handling user ${request.body?.name}`); + return {status: HTTP_STATUS_OK}; +}; +const handleError = (error: HttpRequest) => { + console.log(`Error happened for user ${error.body?.name}`); + return {status: HTTP_STATUS_INTERNAL_SERVER_ERROR}; +}; + +const handleComplete = () => console.log('Completed'); + +const requests = Observable.from(requestsMock); + +const subscription = requests.subscribe({ + next: handleRequest, + error: handleError, + complete: handleComplete +}); +subscription.unsubscribe(); diff --git a/src/model/Role.ts b/src/model/Role.ts new file mode 100644 index 0000000..2b5068b --- /dev/null +++ b/src/model/Role.ts @@ -0,0 +1,4 @@ +export enum Role { + user, + admin +} diff --git a/src/model/User.ts b/src/model/User.ts new file mode 100644 index 0000000..b3139a0 --- /dev/null +++ b/src/model/User.ts @@ -0,0 +1,38 @@ +import {Role} from "./Role"; + +export class User { + + private _name: string; + private _age: number; + private _roles: Role[]; + private _createdAt: Date; + private _isDeleted: boolean; + + constructor(name: string, age: number, roles: Role[], createdAt: Date, isDeleted: boolean) { + this._name = name; + this._age = age; + this._roles = roles; + this._createdAt = createdAt; + this._isDeleted = isDeleted; + } + + get name(): string { + return this._name; + } + + get age(): number { + return this._age; + } + + get roles(): Role[] { + return this._roles; + } + + get createdAt(): Date { + return this._createdAt; + } + + get isDeleted(): boolean { + return this._isDeleted; + } +} diff --git a/src/service/Observable.ts b/src/service/Observable.ts new file mode 100644 index 0000000..6aaefb4 --- /dev/null +++ b/src/service/Observable.ts @@ -0,0 +1,36 @@ +import {HttpRequest} from "../util/HttpRequest"; +import {Observer} from "./Observer"; +import {RequestHandler} from "./RequestHandler"; + +type subscribeFunction = (observer: Observer) => any; + +export class Observable { + + private readonly subscribeFunction: subscribeFunction; + + private constructor(subscribeFunction: subscribeFunction) { + this.subscribeFunction = subscribeFunction; + } + + static from(values: HttpRequest[]) { + return new Observable((observer: Observer>) => { + values.forEach((value: HttpRequest) => observer.next(value)); + // Added error loop for testing + values.forEach((value: HttpRequest) => observer.error(value)); + observer.complete(); + return () => { + console.log('unsubscribed'); + }; + }); + } + + subscribe(obs: RequestHandler) { + const observer = new Observer(obs); + observer._unsubscribe = this.subscribeFunction(observer); + return ({ + unsubscribe() { + observer.unsubscribe(); + } + }); + } +} diff --git a/src/service/Observer.ts b/src/service/Observer.ts new file mode 100644 index 0000000..a3cb3f7 --- /dev/null +++ b/src/service/Observer.ts @@ -0,0 +1,43 @@ +import {RequestHandler} from "./RequestHandler"; + +export class Observer { + private handler: RequestHandler; + private isUnsubscribed: boolean; + public _unsubscribe?: () => void; + + constructor(handler: RequestHandler) { + this.handler = handler; + this.isUnsubscribed = false; + } + + public next(value: T) { + if (this.handler.next && !this.isUnsubscribed) { + this.handler.next(value); + } + } + + public error(error: T) { + if (!this.isUnsubscribed) { + if (this.handler.error) { + this.handler.error(error); + } + this.unsubscribe(); + } + } + + public complete() { + if (!this.isUnsubscribed) { + if (this.handler.complete) { + this.handler.complete(); + } + this.unsubscribe(); + } + } + + unsubscribe() { + this.isUnsubscribed = true; + if (this._unsubscribe) { + this._unsubscribe(); + } + } +} diff --git a/src/service/RequestHandler.ts b/src/service/RequestHandler.ts new file mode 100644 index 0000000..b37cf70 --- /dev/null +++ b/src/service/RequestHandler.ts @@ -0,0 +1,9 @@ +type nextRequestHandler = (request: T) => { status: number }; +type errorRequestHandler = (request: T) => { status: number }; +type completeRequestHandler = () => void; + +export interface RequestHandler { + next: nextRequestHandler; + error: errorRequestHandler, + complete: completeRequestHandler +} diff --git a/src/util/HttpMethod.ts b/src/util/HttpMethod.ts new file mode 100644 index 0000000..798e6de --- /dev/null +++ b/src/util/HttpMethod.ts @@ -0,0 +1,6 @@ +export enum HttpMethod { + GET, + POST, + PUT, + DELETE +} diff --git a/src/util/HttpRequest.ts b/src/util/HttpRequest.ts new file mode 100644 index 0000000..2d07686 --- /dev/null +++ b/src/util/HttpRequest.ts @@ -0,0 +1,41 @@ +import {HttpMethod} from "./HttpMethod"; + +export class HttpRequest { + + private _method: HttpMethod; + private _host: string; + private _path: string; + private _body?: T; + private _params: Map; + + constructor(method: HttpMethod, host: string, path: string, params: Map, body?: T) { + this._method = method; + this._host = host; + this._path = path; + this._body = body; + this._params = params; + } + + get method(): HttpMethod { + return this._method; + } + + get host(): string { + return this._host; + } + + get path(): string { + return this._path; + } + + get body(): T | undefined { + return this._body; + } + + get params(): Map { + return this._params; + } +} + + + diff --git a/src/util/HttpUtil.ts b/src/util/HttpUtil.ts new file mode 100644 index 0000000..7c2454e --- /dev/null +++ b/src/util/HttpUtil.ts @@ -0,0 +1,2 @@ +export const HTTP_STATUS_OK = 200; +export const HTTP_STATUS_INTERNAL_SERVER_ERROR = 500; diff --git a/src/util/MockData.ts b/src/util/MockData.ts new file mode 100644 index 0000000..3dedc2e --- /dev/null +++ b/src/util/MockData.ts @@ -0,0 +1,27 @@ +import {HttpRequest} from "./HttpRequest"; +import {HttpMethod} from "./HttpMethod"; +import {Role} from "../model/Role"; +import {User} from "../model/User"; + +export const userMock: User = new User( + 'Jon', + 26, + [ + Role.user, + Role.admin + ], + new Date(), + false); + + +export const requestsMock: HttpRequest[] = [ + new HttpRequest(HttpMethod.POST, + 'service.example', + 'user', + new Map(), + userMock), + new HttpRequest(HttpMethod.GET, + 'service.example', + 'user', + new Map([['id', '3f5h67s4s']])) +]; diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..8bb6097 --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,108 @@ +{ + "compilerOptions": { + /* Visit https://aka.ms/tsconfig to read more about this file */ + + /* Projects */ + // "incremental": true, /* Save .tsbuildinfo files to allow for incremental compilation of projects. */ + // "composite": true, /* Enable constraints that allow a TypeScript project to be used with project references. */ + // "tsBuildInfoFile": "./.tsbuildinfo", /* Specify the path to .tsbuildinfo incremental compilation file. */ + // "disableSourceOfProjectReferenceRedirect": true, /* Disable preferring source files instead of declaration files when referencing composite projects. */ + // "disableSolutionSearching": true, /* Opt a project out of multi-project reference checking when editing. */ + // "disableReferencedProjectLoad": true, /* Reduce the number of projects loaded automatically by TypeScript. */ + + /* Language and Environment */ + "target": "es2016", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */ + // "lib": [], /* Specify a set of bundled library declaration files that describe the target runtime environment. */ + // "jsx": "preserve", /* Specify what JSX code is generated. */ + // "experimentalDecorators": true, /* Enable experimental support for legacy experimental decorators. */ + // "emitDecoratorMetadata": true, /* Emit design-type metadata for decorated declarations in source files. */ + // "jsxFactory": "", /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */ + // "jsxFragmentFactory": "", /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */ + // "jsxImportSource": "", /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */ + // "reactNamespace": "", /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */ + // "noLib": true, /* Disable including any library files, including the default lib.d.ts. */ + // "useDefineForClassFields": true, /* Emit ECMAScript-standard-compliant class fields. */ + // "moduleDetection": "auto", /* Control what method is used to detect module-format JS files. */ + + /* Modules */ + "module": "commonjs", /* Specify what module code is generated. */ + // "rootDir": "./", /* Specify the root folder within your source files. */ + // "moduleResolution": "node10", /* Specify how TypeScript looks up a file from a given module specifier. */ + // "baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */ + // "paths": {}, /* Specify a set of entries that re-map imports to additional lookup locations. */ + // "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */ + // "typeRoots": [], /* Specify multiple folders that act like './node_modules/@types'. */ + // "types": [], /* Specify type package names to be included without being referenced in a source file. */ + // "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */ + // "moduleSuffixes": [], /* List of file name suffixes to search when resolving a module. */ + // "allowImportingTsExtensions": true, /* Allow imports to include TypeScript file extensions. Requires '--moduleResolution bundler' and either '--noEmit' or '--emitDeclarationOnly' to be set. */ + // "resolvePackageJsonExports": true, /* Use the package.json 'exports' field when resolving package imports. */ + // "resolvePackageJsonImports": true, /* Use the package.json 'imports' field when resolving imports. */ + // "customConditions": [], /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */ + // "resolveJsonModule": true, /* Enable importing .json files. */ + // "allowArbitraryExtensions": true, /* Enable importing files with any extension, provided a declaration file is present. */ + // "noResolve": true, /* Disallow 'import's, 'require's or ''s from expanding the number of files TypeScript should add to a project. */ + + /* JavaScript Support */ + // "allowJs": true, /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */ + // "checkJs": true, /* Enable error reporting in type-checked JavaScript files. */ + // "maxNodeModuleJsDepth": 1, /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */ + + /* Emit */ + // "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */ + // "declarationMap": true, /* Create sourcemaps for d.ts files. */ + // "emitDeclarationOnly": true, /* Only output d.ts files and not JavaScript files. */ + // "sourceMap": true, /* Create source map files for emitted JavaScript files. */ + // "inlineSourceMap": true, /* Include sourcemap files inside the emitted JavaScript. */ + // "outFile": "./", /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */ + // "outDir": "./", /* Specify an output folder for all emitted files. */ + // "removeComments": true, /* Disable emitting comments. */ + // "noEmit": true, /* Disable emitting files from a compilation. */ + // "importHelpers": true, /* Allow importing helper functions from tslib once per project, instead of including them per-file. */ + // "downlevelIteration": true, /* Emit more compliant, but verbose and less performant JavaScript for iteration. */ + // "sourceRoot": "", /* Specify the root path for debuggers to find the reference source code. */ + // "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */ + // "inlineSources": true, /* Include source code in the sourcemaps inside the emitted JavaScript. */ + // "emitBOM": true, /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */ + // "newLine": "crlf", /* Set the newline character for emitting files. */ + // "stripInternal": true, /* Disable emitting declarations that have '@internal' in their JSDoc comments. */ + // "noEmitHelpers": true, /* Disable generating custom helper functions like '__extends' in compiled output. */ + // "noEmitOnError": true, /* Disable emitting files if any type checking errors are reported. */ + // "preserveConstEnums": true, /* Disable erasing 'const enum' declarations in generated code. */ + // "declarationDir": "./", /* Specify the output directory for generated declaration files. */ + + /* Interop Constraints */ + // "isolatedModules": true, /* Ensure that each file can be safely transpiled without relying on other imports. */ + // "verbatimModuleSyntax": true, /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */ + // "isolatedDeclarations": true, /* Require sufficient annotation on exports so other tools can trivially generate declaration files. */ + // "allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */ + "esModuleInterop": true, /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */ + // "preserveSymlinks": true, /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */ + "forceConsistentCasingInFileNames": true, /* Ensure that casing is correct in imports. */ + + /* Type Checking */ + "strict": true, /* Enable all strict type-checking options. */ + // "noImplicitAny": true, /* Enable error reporting for expressions and declarations with an implied 'any' type. */ + // "strictNullChecks": true, /* When type checking, take into account 'null' and 'undefined'. */ + // "strictFunctionTypes": true, /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */ + // "strictBindCallApply": true, /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */ + // "strictPropertyInitialization": true, /* Check for class properties that are declared but not set in the constructor. */ + // "noImplicitThis": true, /* Enable error reporting when 'this' is given the type 'any'. */ + // "useUnknownInCatchVariables": true, /* Default catch clause variables as 'unknown' instead of 'any'. */ + // "alwaysStrict": true, /* Ensure 'use strict' is always emitted. */ + // "noUnusedLocals": true, /* Enable error reporting when local variables aren't read. */ + // "noUnusedParameters": true, /* Raise an error when a function parameter isn't read. */ + // "exactOptionalPropertyTypes": true, /* Interpret optional property types as written, rather than adding 'undefined'. */ + // "noImplicitReturns": true, /* Enable error reporting for codepaths that do not explicitly return in a function. */ + // "noFallthroughCasesInSwitch": true, /* Enable error reporting for fallthrough cases in switch statements. */ + // "noUncheckedIndexedAccess": true, /* Add 'undefined' to a type when accessed using an index. */ + // "noImplicitOverride": true, /* Ensure overriding members in derived classes are marked with an override modifier. */ + // "noPropertyAccessFromIndexSignature": true, /* Enforces using indexed accessors for keys declared using an indexed type. */ + // "allowUnusedLabels": true, /* Disable error reporting for unused labels. */ + // "allowUnreachableCode": true, /* Disable error reporting for unreachable code. */ + + /* Completeness */ + // "skipDefaultLibCheck": true, /* Skip type checking .d.ts files that are included with TypeScript. */ + "skipLibCheck": true /* Skip type checking all .d.ts files. */ + } +}