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

87 lines
2.8 KiB
JavaScript

/**
* Copyright (c) 2015-present, 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.
*/
const log = require('../util/log').out('bundle');
const Promise = require('promise');
const Server = require('../../packager/react-packager/src/Server');
const outputBundle = require('./output/bundle');
const path = require('path');
const saveAssets = require('./saveAssets');
const defaultAssetExts = require('../../packager/defaults').assetExts;
function saveBundle(output, bundle, args) {
return Promise.resolve(
output.save(bundle, args, log)
).then(() => bundle);
}
function buildBundle(args, config, output = outputBundle, packagerInstance) {
// 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';
const requestOpts = {
entryFile: args.entryFile,
sourceMapUrl: args.sourcemapOutput && path.basename(args.sourcemapOutput),
dev: args.dev,
minify: !args.dev,
platform: args.platform,
};
// If a packager instance was not provided, then just create one for this
// bundle command and close it down afterwards.
var shouldClosePackager = false;
if (!packagerInstance) {
const assetExts = (config.getAssetExts && config.getAssetExts()) || [];
const transformModulePath =
args.transformer ? path.resolve(args.transformer) :
typeof config.getTransformModulePath === 'function' ? config.getTransformModulePath() :
undefined;
const options = {
projectRoots: config.getProjectRoots(),
assetExts: defaultAssetExts.concat(assetExts),
assetRoots: config.getAssetRoots(),
blacklistRE: config.getBlacklistRE(),
getTransformOptionsModulePath: config.getTransformOptionsModulePath,
transformModulePath: transformModulePath,
extraNodeModules: config.extraNodeModules,
nonPersistent: true,
resetCache: args.resetCache,
};
packagerInstance = new Server(options);
shouldClosePackager = true;
}
const bundlePromise = output.build(packagerInstance, requestOpts)
.then(bundle => {
if (shouldClosePackager) {
packagerInstance.end();
}
return saveBundle(output, bundle, args);
});
// Save the assets of the bundle
const assets = bundlePromise
.then(bundle => bundle.getAssets())
.then(outputAssets => saveAssets(
outputAssets,
args.platform,
args.assetsDest,
));
// When we're done saving bundle output and the assets, we're done.
return assets;
}
module.exports = buildBundle;