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Use native npm ls to find modules #1

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105 changes: 71 additions & 34 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,7 @@ var PLUGIN_PREFIX = 'bem-tools-';

var fs = require('fs'),
path = require('path'),
npmls = require('npmls'),
npmRootPath = require('global-modules'),
uniq = require('lodash.uniq');
npm = require('npm');

var bem = require('coa').Cmd()
.name(process.argv[1])
Expand All @@ -21,47 +19,86 @@ var bem = require('coa').Cmd()
})
.end();

var globalModules = [],
localModules = [];
function getBemToolsPlugins() {
var globalModules, localModules;

try {
globalModules = npmls(true);
} catch (err) {
if (err.code !== 'ENOENT') throw new Error(err);
}
return new Promise(function(resolve, reject) {
npm.load(function() {
npm.config.set('global', true);
require('npm/lib/ls')([], true, function(err, ls) {
if (err) return reject(err);

globalModules = _getBemToolsPlugins(ls.dependencies);

if (localModules) {
resolve(Object.assign(globalModules, localModules));
}
});

npm.config.set('global', false)
require('npm/lib/ls')([], true, function(err, ls) {
if (err) return reject(err);

localModules = _getBemToolsPlugins(ls.dependencies);

if (globalModules) {
resolve(Object.assign(globalModules, localModules));
}
});
});
});
};

function _getBemToolsPlugins(tree) {
var plugins = {},
deps = Object.keys(tree);

deps.forEach(function(depName) {
var dep = tree[depName];

try {
localModules = npmls();
} catch (err) {
if (err.code !== 'ENOENT') throw new Error(err);
if (!plugins[depName] && depName !== 'bem-tools-core' && depName.indexOf(PLUGIN_PREFIX) === 0) {
plugins[depName] = dep._where;
}
});

// higher level deps override inner ones
deps.forEach(function(depName) {
var dep = tree[depName] || {};

if (dep.dependencies) {
plugins = Object.assign(_getBemToolsPlugins(dep.dependencies), plugins);
}
});

return plugins;
}

var plugins = uniq(localModules.concat(globalModules).filter(function(module) {
return module.indexOf(PLUGIN_PREFIX) === 0 && module !== 'bem-tools-core';
}));

plugins.forEach(function(plugin) {
var commandName = plugin.replace(PLUGIN_PREFIX, ''),
localPluginDir = path.join('node_modules', plugin),
globalPluginDir = path.join(npmRootPath, plugin);
pluginPath = path.resolve(path.join(fs.existsSync(localPluginDir) ? localPluginDir: globalPluginDir, 'cli')),
pluginModule = null;
try {
pluginModule = require(pluginPath);
} catch(err) {
// TODO: implement verbose logging
// console.warn('Cannot find module', plugin);
}
getBemToolsPlugins().then(function(plugins) {
Object.keys(plugins).forEach(function(plugin) {
var commandName = plugin.replace(PLUGIN_PREFIX, ''),
localPluginDir = path.join('node_modules', plugin),
// globalPluginDir = path.join(npmRootPath, plugin);
// pluginPath = path.resolve(path.join(fs.existsSync(localPluginDir) ? localPluginDir: globalPluginDir, 'cli')),
pluginPath = path.resolve(plugins[plugin], 'node_modules', plugin, 'cli'),
pluginModule = null;

pluginModule && bem.cmd().name(commandName).apply(pluginModule).end();
});
try {
pluginModule = require(pluginPath);
} catch(err) {
// TODO: implement verbose logging
// console.warn('Cannot find module', plugin);
}

pluginModule && bem.cmd().name(commandName).apply(pluginModule).end();
});

bem.run(process.argv.slice(2));
}).catch(console.error);

bem.act(function(opts, args) {
if (!Object.keys(opts).length && !Object.keys(args).length) {
return this.usage();
}
});

bem.run(process.argv.slice(2));

module.exports = bem;
4 changes: 1 addition & 3 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -18,8 +18,6 @@
"license": "MPL-2.0",
"dependencies": {
"coa": "^1.0.1",
"lodash.uniq": "^4.2.1",
"npmls": "^3.0.0",
"global-modules": "^0.2.0"
"npm": "^3.10.8"
}
}