98 lines
2.6 KiB
JavaScript
98 lines
2.6 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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'use strict';
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const execFile = require('child_process').execFile;
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const fs = require('fs');
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const getAssetDestPathAndroid = require('./getAssetDestPathAndroid');
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const getAssetDestPathIOS = require('./getAssetDestPathIOS');
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const log = require('../util/log').out('bundle');
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const path = require('path');
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const sign = require('./sign');
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function saveBundleAndMap(
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codeWithMap,
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platform,
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bundleOutput,
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encoding,
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sourcemapOutput,
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assetsDest
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) {
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log('Writing bundle output to:', bundleOutput);
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fs.writeFileSync(bundleOutput, sign(codeWithMap.code), encoding);
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log('Done writing bundle output');
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if (sourcemapOutput) {
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log('Writing sourcemap output to:', sourcemapOutput);
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fs.writeFileSync(sourcemapOutput, codeWithMap.map);
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log('Done writing sourcemap output');
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}
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if (!assetsDest) {
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console.warn('Assets destination folder is not set, skipping...');
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return Promise.resolve();
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}
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const getAssetDestPath = platform === 'android'
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? getAssetDestPathAndroid
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: getAssetDestPathIOS;
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const filesToCopy = Object.create(null); // Map src -> dest
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codeWithMap.assets
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.filter(asset => !asset.deprecated)
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.forEach(asset =>
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asset.scales.forEach((scale, idx) => {
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const src = asset.files[idx];
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const dest = path.join(assetsDest, getAssetDestPath(asset, scale));
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filesToCopy[src] = dest;
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})
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);
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return copyAll(filesToCopy);
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}
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function copyAll(filesToCopy) {
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const queue = Object.keys(filesToCopy);
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if (queue.length === 0) {
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return Promise.resolve();
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}
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log('Copying ' + queue.length + ' asset files');
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return new Promise((resolve, reject) => {
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const copyNext = (error) => {
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if (error) {
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return reject(error);
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}
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if (queue.length === 0) {
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log('Done copying assets');
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resolve();
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} else {
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const src = queue.shift();
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const dest = filesToCopy[src];
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copy(src, dest, copyNext);
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}
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};
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copyNext();
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});
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}
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function copy(src, dest, callback) {
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const destDir = path.dirname(dest);
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execFile('mkdir', ['-p', destDir], err => {
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if (err) {
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return callback(err);
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}
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fs.createReadStream(src)
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.pipe(fs.createWriteStream(dest))
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.on('finish', callback);
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});
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}
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module.exports = saveBundleAndMap;
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