140 lines
4.8 KiB
JavaScript
140 lines
4.8 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @flow
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*/
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'use strict';
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const log = require('../util/log').out('bundle');
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const Server = require('metro-bundler/src/Server');
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const Terminal = require('metro-bundler/src/lib/Terminal');
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const TerminalReporter = require('metro-bundler/src/lib/TerminalReporter');
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const TransformCaching = require('metro-bundler/src/lib/TransformCaching');
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const outputBundle = require('metro-bundler/src/shared/output/bundle');
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const path = require('path');
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const saveAssets = require('./saveAssets');
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const defaultAssetExts = require('metro-bundler/src/defaults').assetExts;
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const defaultSourceExts = require('metro-bundler/src/defaults').sourceExts;
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const defaultPlatforms = require('metro-bundler/src/defaults').platforms;
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const defaultProvidesModuleNodeModules = require('metro-bundler/src/defaults').providesModuleNodeModules;
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const {ASSET_REGISTRY_PATH} = require('../core/Constants');
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import type {RequestOptions, OutputOptions} from './types.flow';
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import type {ConfigT} from '../util/Config';
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function saveBundle(output, bundle, args) {
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return Promise.resolve(
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output.save(bundle, args, log)
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).then(() => bundle);
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}
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function buildBundle(
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args: OutputOptions & {
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assetsDest: mixed,
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entryFile: string,
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maxWorkers: number,
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resetCache: boolean,
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transformer: string,
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},
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config: ConfigT,
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output = outputBundle,
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packagerInstance,
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) {
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// This is used by a bazillion of npm modules we don't control so we don't
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// have other choice than defining it as an env variable here.
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process.env.NODE_ENV = args.dev ? 'development' : 'production';
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let sourceMapUrl = args.sourcemapOutput;
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if (sourceMapUrl && !args.sourcemapUseAbsolutePath) {
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sourceMapUrl = path.basename(sourceMapUrl);
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}
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const requestOpts: RequestOptions = {
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entryFile: args.entryFile,
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sourceMapUrl,
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dev: args.dev,
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minify: !args.dev,
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platform: args.platform,
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};
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// If a packager instance was not provided, then just create one for this
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// bundle command and close it down afterwards.
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var shouldClosePackager = false;
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if (!packagerInstance) {
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const assetExts = (config.getAssetExts && config.getAssetExts()) || [];
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const sourceExts = (config.getSourceExts && config.getSourceExts()) || [];
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const platforms = (config.getPlatforms && config.getPlatforms()) || [];
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const transformModulePath = args.transformer
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? path.resolve(args.transformer)
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: config.getTransformModulePath();
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const providesModuleNodeModules =
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typeof config.getProvidesModuleNodeModules === 'function'
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? config.getProvidesModuleNodeModules()
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: defaultProvidesModuleNodeModules;
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/* $FlowFixMe: Flow is wrong, Node.js docs specify that process.stdout is an
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* instance of a net.Socket (a local socket, not network). */
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const terminal = new Terminal(process.stdout);
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const options = {
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assetExts: defaultAssetExts.concat(assetExts),
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assetRegistryPath: ASSET_REGISTRY_PATH,
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blacklistRE: config.getBlacklistRE(),
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extraNodeModules: config.extraNodeModules,
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getPolyfills: config.getPolyfills,
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getTransformOptions: config.getTransformOptions,
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globalTransformCache: null,
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hasteImpl: config.hasteImpl,
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maxWorkers: args.maxWorkers,
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platforms: defaultPlatforms.concat(platforms),
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postMinifyProcess: config.postMinifyProcess,
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postProcessModules: config.postProcessModules,
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postProcessBundleSourcemap: config.postProcessBundleSourcemap,
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projectRoots: config.getProjectRoots(),
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providesModuleNodeModules: providesModuleNodeModules,
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resetCache: args.resetCache,
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reporter: new TerminalReporter(terminal),
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sourceExts: defaultSourceExts.concat(sourceExts),
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transformCache: TransformCaching.useTempDir(),
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transformModulePath: transformModulePath,
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useDeltaBundler: false,
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watch: false,
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workerPath: config.getWorkerPath && config.getWorkerPath(),
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};
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packagerInstance = new Server(options);
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shouldClosePackager = true;
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}
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const bundlePromise = output.build(packagerInstance, requestOpts)
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.then(bundle => {
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if (shouldClosePackager) {
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packagerInstance.end();
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}
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return saveBundle(output, bundle, args);
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});
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// Save the assets of the bundle
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const assets = bundlePromise
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.then(bundle => bundle.getAssets())
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.then(outputAssets => saveAssets(
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outputAssets,
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args.platform,
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args.assetsDest,
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));
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// When we're done saving bundle output and the assets, we're done.
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return assets;
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}
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module.exports = buildBundle;
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