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https://github.com/zhigang1992/react-native.git
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28e0de070d
Summary:
The jest HasteImpl's `pluginNameReducers` regex was not properly escaping a backslash, resulting in unintended behavior.
The intent of the code is to strip the `.${name}` from the end of a filepath, where `name` is a platform name. The correct regex for that would be `^(.*)\.(myPlat)$`, but because the regex is being constructed from a string, the `\.` is being interpreted as an escaped period, resulting in the regex `^(.*).(myPlat)$`. To correct this, the backslash needs to be escaped so it makes it into the regex.
[General] [Fixed] - Fix HasteImpl platform name regex
Pull Request resolved: https://github.com/facebook/react-native/pull/24628
Differential Revision: D15224468
Pulled By: hramos
fbshipit-source-id: 6eb507aa5410bdd7c247e6d301052d41995a2f11
98 lines
2.5 KiB
JavaScript
98 lines
2.5 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @flow
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*/
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'use strict';
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const path = require('path');
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const cli = require('@react-native-community/cli');
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// Use duck-typing because of Facebook-internal infra that doesn't have the cli package.
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const {haste} = (cli.loadConfig && cli.loadConfig()) || {
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haste: {
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providesModuleNodeModules: [],
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platforms: ['ios', 'android'],
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},
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};
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// Detect out-of-tree platforms and add them to the whitelists
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const pluginRoots /*: Array<string> */ = haste.providesModuleNodeModules.map(
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name => path.resolve(__dirname, '../../', name) + path.sep,
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);
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const pluginNameReducers /*: Array<[RegExp, string]> */ = haste.platforms.map(
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name => [new RegExp(`^(.*)\\.(${name})$`), '$1'],
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);
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const ROOTS = [path.resolve(__dirname, '..') + path.sep, ...pluginRoots];
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const BLACKLISTED_PATTERNS /*: Array<RegExp> */ = [
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/.*[\\\/]__(mocks|tests)__[\\\/].*/,
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/^Libraries[\\\/]Animated[\\\/]src[\\\/]polyfills[\\\/].*/,
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/^Libraries[\\\/]Renderer[\\\/]fb[\\\/].*/,
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/DerivedData[\\\/].*/,
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];
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const WHITELISTED_PREFIXES /*: Array<string> */ = [
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'IntegrationTests',
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'Libraries',
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'ReactAndroid',
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'RNTester',
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];
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const NAME_REDUCERS /*: Array<[RegExp, string]> */ = [
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// extract basename
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[/^(?:.*[\\\/])?([a-zA-Z0-9$_.-]+)$/, '$1'],
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// strip .js/.js.flow suffix
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[/^(.*)\.js(\.flow)?$/, '$1'],
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// strip native suffix
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[/^(.*)\.(native)$/, '$1'],
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// strip plugin platform suffixes
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...pluginNameReducers,
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];
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function isHastePath(filePath /*: string */) /*: boolean */ {
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if (!filePath.endsWith('.js') && !filePath.endsWith('.js.flow')) {
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return false;
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}
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const root = ROOTS.find(r => filePath.startsWith(r));
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if (!root) {
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return false;
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}
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filePath = filePath.substr(root.length);
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if (BLACKLISTED_PATTERNS.some(pattern => pattern.test(filePath))) {
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return false;
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}
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return WHITELISTED_PREFIXES.some(prefix => filePath.startsWith(prefix));
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}
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module.exports = {
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/*
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* @return {string|void} hasteName for module at filePath; or undefined if
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* filePath is not a haste module
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*/
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getHasteName(
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filePath /*: string */,
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sourceCode /*: ?string */,
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) /*: string | void */ {
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if (!isHastePath(filePath)) {
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return undefined;
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}
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const hasteName = NAME_REDUCERS.reduce(
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(name, [pattern, replacement]) => name.replace(pattern, replacement),
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filePath,
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);
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return hasteName;
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},
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};
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