react-native/local-cli/bundle/buildBundle.js

134 lines
4.3 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
'use strict';
const log = require('../util/log').out('bundle');
/* $FlowFixMe(site=react_native_oss) */
const Server = require('metro/src/Server');
const {Terminal} = require('metro-core');
/* $FlowFixMe(site=react_native_oss) */
const TerminalReporter = require('metro/src/lib/TerminalReporter');
/* $FlowFixMe(site=react_native_oss) */
const TransformCaching = require('metro/src/lib/TransformCaching');
const {defaults} = require('metro');
/* $FlowFixMe(site=react_native_oss) */
const outputBundle = require('metro/src/shared/output/bundle');
const path = require('path');
const saveAssets = require('./saveAssets');
const {ASSET_REGISTRY_PATH} = require('../core/Constants');
import type {RequestOptions, OutputOptions} from './types.flow';
import type {ConfigT} from 'metro';
const defaultAssetExts = defaults.assetExts;
const defaultSourceExts = defaults.sourceExts;
const defaultPlatforms = defaults.platforms;
const defaultProvidesModuleNodeModules = defaults.providesModuleNodeModules;
async function buildBundle(
args: OutputOptions & {
assetsDest: mixed,
entryFile: string,
maxWorkers: number,
resetCache: boolean,
transformer: string,
minify: boolean,
},
config: ConfigT,
output = outputBundle,
) {
// This is used by a bazillion of npm modules we don't control so we don't
// have other choice than defining it as an env variable here.
process.env.NODE_ENV = args.dev ? 'development' : 'production';
let sourceMapUrl = args.sourcemapOutput;
if (sourceMapUrl && !args.sourcemapUseAbsolutePath) {
sourceMapUrl = path.basename(sourceMapUrl);
}
const requestOpts: RequestOptions = {
entryFile: args.entryFile,
sourceMapUrl,
dev: args.dev,
minify: args.minify !== undefined ? args.minify : !args.dev,
platform: args.platform,
};
const assetExts = (config.getAssetExts && config.getAssetExts()) || [];
const sourceExts = (config.getSourceExts && config.getSourceExts()) || [];
const platforms = (config.getPlatforms && config.getPlatforms()) || [];
const transformModulePath = args.transformer
? path.resolve(args.transformer)
: config.getTransformModulePath();
const providesModuleNodeModules =
typeof config.getProvidesModuleNodeModules === 'function'
? config.getProvidesModuleNodeModules()
: defaultProvidesModuleNodeModules;
const terminal = new Terminal(process.stdout);
const server = new Server({
assetExts: defaultAssetExts.concat(assetExts),
assetRegistryPath: ASSET_REGISTRY_PATH,
blacklistRE: config.getBlacklistRE(),
cacheVersion: config.cacheVersion,
dynamicDepsInPackages: config.dynamicDepsInPackages,
enableBabelRCLookup: config.getEnableBabelRCLookup(),
extraNodeModules: config.extraNodeModules,
getModulesRunBeforeMainModule: config.getModulesRunBeforeMainModule,
getPolyfills: config.getPolyfills,
getTransformOptions: config.getTransformOptions,
globalTransformCache: null,
hasteImplModulePath: config.hasteImplModulePath,
maxWorkers: args.maxWorkers,
platforms: defaultPlatforms.concat(platforms),
postMinifyProcess: config.postMinifyProcess,
postProcessModules: config.postProcessModules,
postProcessBundleSourcemap: config.postProcessBundleSourcemap,
projectRoots: config.getProjectRoots(),
providesModuleNodeModules: providesModuleNodeModules,
resetCache: args.resetCache,
reporter: new TerminalReporter(terminal),
sourceExts: sourceExts.concat(defaultSourceExts),
transformCache: TransformCaching.useTempDir(),
transformModulePath: transformModulePath,
watch: false,
workerPath: config.getWorkerPath && config.getWorkerPath(),
});
const bundle = await output.build(server, requestOpts);
await output.save(bundle, args, log);
// Save the assets of the bundle
const outputAssets = await server.getAssets({
...Server.DEFAULT_BUNDLE_OPTIONS,
...requestOpts,
bundleType: 'todo',
});
// When we're done saving bundle output and the assets, we're done.
const assets = await saveAssets(
outputAssets,
args.platform,
args.assetsDest,
);
server.end();
return assets;
}
module.exports = buildBundle;