c359d666c5
Summary: Use default Metro implementation of source module ID mappings for "flipper-pkg bundle". The problem with the custom implementation we used before is that it is not deterministic, i.e. produced bundles are different on different machines. We need deterministic bundles to reliably detect if the version changed from the last deployment to Marketplace. Reviewed By: mweststrate Differential Revision: D22158794 fbshipit-source-id: ae4b4b05e020489c0900423107a938a5b670e7d8
77 lines
2.0 KiB
TypeScript
77 lines
2.0 KiB
TypeScript
/**
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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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*/
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import Metro from 'metro';
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import getWatchFolders from './getWatchFolders';
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import path from 'path';
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import fs from 'fs-extra';
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let metroDir: string | undefined;
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const metroDirPromise = getMetroDir().then((dir) => (metroDir = dir));
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async function getMetroDir() {
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let dir = __dirname;
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while (true) {
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const dirToCheck = path.join(dir, 'node_modules', 'metro');
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if (await fs.pathExists(dirToCheck)) return dirToCheck;
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const nextDir = path.dirname(dir);
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if (!nextDir || nextDir === '' || nextDir === dir) {
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break;
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}
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dir = nextDir;
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}
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return __dirname;
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}
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export default async function runBuild(
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inputDirectory: string,
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entry: string,
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out: string,
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dev: boolean,
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) {
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const baseConfig = await Metro.loadConfig();
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const config = Object.assign({}, baseConfig, {
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reporter: {update: () => {}},
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projectRoot: inputDirectory,
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watchFolders: [metroDir || (await metroDirPromise)].concat(
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await getWatchFolders(inputDirectory),
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),
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serializer: {
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...baseConfig.serializer,
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getRunModuleStatement: (moduleID: string) =>
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`module.exports = global.__r(${moduleID}).default;`,
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},
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transformer: {
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...baseConfig.transformer,
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babelTransformerPath: require.resolve('flipper-babel-transformer'),
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minifierPath: require.resolve('metro-minify-terser'),
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minifierConfig: {
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// see: https://www.npmjs.com/package/terser
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keep_fnames: true,
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module: true,
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warnings: true,
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},
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},
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resolver: {
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...baseConfig.resolver,
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resolverMainFields: ['flipperBundlerEntry', 'module', 'main'],
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sourceExts: ['js', 'jsx', 'ts', 'tsx', 'json', 'mjs', 'cjs'],
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blacklistRE: /\.native\.js$/,
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},
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});
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await Metro.runBuild(config, {
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dev,
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minify: !dev,
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resetCache: !dev,
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sourceMap: dev,
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entry,
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out,
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});
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}
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