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Add HasteResolver class with a single store to the same dependency gr…
…aphs instances.
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| Original file line number | Diff line number | Diff line change |
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| /** | ||
| * Copyright (c) 2014, Facebook, Inc. All rights reserved. | ||
| * | ||
| * This source code is licensed under the BSD-style license found in the | ||
| * LICENSE file in the root directory of this source tree. An additional grant | ||
| * of patent rights can be found in the PATENTS file in the same directory. | ||
| */ | ||
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| /* eslint-disable fb-www/object-create-only-one-param */ | ||
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| 'use strict'; | ||
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| const DependencyGraph = require('node-haste/lib/DependencyGraph'); | ||
| const extractRequires = require('node-haste/lib/lib/extractRequires'); | ||
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| const MOCKS_PATTERN = /(?:[\\/]|^)__mocks__[\\/]([^\/]+)\.js$/; | ||
| const REQUIRE_EXTENSIONS_PATTERN = /(\brequire\s*?\.\s*?(?:requireActual|requireMock)\s*?\(\s*?)(['"])([^'"]+)(\2\s*?\))/g; | ||
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| const resolvers = Object.create(null); | ||
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| class HasteResolver { | ||
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| constructor(roots, options) { | ||
| const ignoreFilePattern = new RegExp(options.ignoreFilePattern); | ||
| this._resolvePromises = Object.create(null); | ||
| this._depGraph = new DependencyGraph({ | ||
| roots, | ||
| ignoreFilePath: path => path.match(ignoreFilePattern), | ||
| cache: { | ||
| get: (a, b, cb) => Promise.resolve(cb()), | ||
| invalidate: () => {}, | ||
| }, | ||
| fileWatcher: { | ||
| on: function() { | ||
| return this; | ||
| }, | ||
| isWatchman: () => Promise.resolve(false), | ||
| }, | ||
| extensions: options.extensions, | ||
| mocksPattern: MOCKS_PATTERN, | ||
| extractRequires: code => { | ||
| const data = extractRequires(code); | ||
| data.code = data.code.replace( | ||
| REQUIRE_EXTENSIONS_PATTERN, | ||
| (match, pre, quot, dep, post) => { | ||
| data.deps.sync.push(dep); | ||
| return match; | ||
| } | ||
| ); | ||
| return data; | ||
| }, | ||
| }); | ||
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| // warm-up | ||
| this._depGraph.load(); | ||
| } | ||
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| matchFilesByPattern(pattern) { | ||
| return this._depGraph.matchFilesByPattern(pattern); | ||
| } | ||
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| getDependencies(path) { | ||
| if (this._resolvePromises[path]) { | ||
| return this._resolvePromises[path]; | ||
| } | ||
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| return this._resolvePromises[path] = this._depGraph.load().then( | ||
| () => this._depGraph.getDependencies(path).then(response => | ||
| response.finalize().then(() => { | ||
| var deps = { | ||
| mocks: response.mocks, | ||
| resolvedModules: Object.create(null), | ||
| resources: Object.create(null), | ||
| }; | ||
| return Promise.all( | ||
| response.dependencies.map(module => { | ||
| if (!deps.resolvedModules[module.path]) { | ||
| deps.resolvedModules[module.path] = {}; | ||
| } | ||
| response.getResolvedDependencyPairs(module).forEach((pair) => | ||
| deps.resolvedModules[module.path][pair[0]] = pair[1] | ||
| ); | ||
| return module.getName().then( | ||
| name => deps.resources[name] = module | ||
| ); | ||
| }) | ||
| ).then(() => deps); | ||
| }) | ||
| )); | ||
| } | ||
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| static get(roots, options) { | ||
| const key = | ||
| roots.sort().join(':') + | ||
| '$' + options.extensions.sort().join(':') + | ||
| '$' + options.ignoreFilePattern; | ||
| if (!resolvers[key]) { | ||
| resolvers[key] = new HasteResolver(roots, options); | ||
| } | ||
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| return resolvers[key]; | ||
| } | ||
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| } | ||
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| module.exports = HasteResolver; |