1f53301fd3
When migrating zone.js from gulp to bazel, some legacy build config files are still there, we have `rollup-es5.config.js` and `rollup-es5_global-es2015.config.js`, since in gulp build system, build `es5` or `esm` files are set in the config file, but in the bazel world, the output format is not config in the config.js file, but is required by the downstream bazel target. So we don't really need the two rollup config files any longer. Another difference is in `rollup-es5.config.js`, the `external` and `global` libraries names are also config there, and these settings are also valid for `es2015` build, these settings are not in the `es2015.config.js` for some legacy reasons. So we don't need to keep this difference either. PR Close #40481
59 lines
1.9 KiB
JavaScript
59 lines
1.9 KiB
JavaScript
const node = require('rollup-plugin-node-resolve');
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const commonjs = require('rollup-plugin-commonjs');
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// Parse the stamp file produced by Bazel from the version control system
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let version = '<unknown>';
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if (bazel_stamp_file) {
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const versionTag = require('fs')
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.readFileSync(bazel_stamp_file, {encoding: 'utf-8'})
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.split('\n')
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.find(s => s.startsWith('BUILD_SCM_VERSION'));
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// Don't assume BUILD_SCM_VERSION exists
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if (versionTag) {
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version = versionTag.split(' ')[1].trim();
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}
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}
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// Add 'use strict' to the bundle, https://github.com/angular/angular/pull/40456
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// When rollup build esm bundle of zone.js, there will be no 'use strict'
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// since all esm bundles are `strict`, but when webpack load the esm bundle,
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// because zone.js is a module without export and import, webpack is unable
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// to determine the bundle is `esm` module or not, so it doesn't add the 'use strict'
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// which webpack does to all other `esm` modules which has export or import.
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// And it causes issues such as https://github.com/angular/angular/issues/40215
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// `this` should be `undefined` but is assigned with `Window` instead.
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const banner = `'use strict';
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/**
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* @license Angular v${version}
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* (c) 2010-2020 Google LLC. https://angular.io/
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* License: MIT
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*/`;
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module.exports = {
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plugins: [
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node({
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mainFields: ['es2015', 'module', 'jsnext:main', 'main'],
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}),
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commonjs(),
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],
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external: id => {
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if (/build-esm/.test(id)) {
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return false;
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}
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return /rxjs/.test(id) || /electron/.test(id);
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},
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output: {
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globals: {
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electron: 'electron',
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'rxjs/Observable': 'Rx',
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'rxjs/Subscriber': 'Rx',
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'rxjs/Subscription': 'Rx',
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'rxjs/Scheduler': 'Rx.Scheduler',
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'rxjs/scheduler/asap': 'Rx.Scheduler',
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'rxjs/scheduler/async': 'Rx.Scheduler',
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'rxjs/symbol/rxSubscriber': 'Rx.Symbol'
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},
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banner
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},
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}
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