fbdc89d307
This change uses node modules to build polygerrit-ui release artifact. Tests still use bower_components. Change-Id: I3457931b0ff8edcb41250d1aa3518b8ea18a964e
88 lines
3.3 KiB
JavaScript
88 lines
3.3 KiB
JavaScript
/**
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* @license
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const path = require('path');
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// In this file word "plugin" refers to rollup plugin, not Gerrit plugin.
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// By default, require(plugin_name) tries to find module plugin_name starting
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// from the folder where this file (rollup.config.js) is located
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// (see https://www.typescriptlang.org/docs/handbook/module-resolution.html#node
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// and https://nodejs.org/api/modules.html#modules_all_together).
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// So, rollup.config.js can't be in polygerrit-ui/app dir and it should be in
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// tools/node_tools directory (where all plugins are installed).
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// But rollup_bundle rule copy this .config.js file to another directory,
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// so require(plugin_name) can't find a plugin.
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// To fix it, requirePlugin tries:
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// 1. resolve module id using default behavior, i.e. it starts from __dirname
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// 2. if module not found - it tries to resolve module starting from rollupBin
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// location.
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// This workaround also gives us additional power - we can place .config.js
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// file anywhere in a source tree and add all plugins in the same package.json
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// file as rollup node module.
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function requirePlugin(id) {
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const rollupBinDir = path.dirname(process.argv[1]);
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const pluginPath = require.resolve(id, {paths: [__dirname, rollupBinDir] });
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return require(pluginPath);
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}
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const resolve = requirePlugin('rollup-plugin-node-resolve');
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const {terser} = requirePlugin('rollup-plugin-terser');
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// @polymer/font-roboto-local uses import.meta.url value
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// as a base path to fonts. We should substitute a correct javascript
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// code to get a base path for font-roboto-local fonts.
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const importLocalFontMetaUrlResolver = function() {
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return {
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name: 'import-meta-url-resolver',
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resolveImportMeta: function (property, data) {
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if(property === 'url' && data.moduleId.endsWith('/@polymer/font-roboto-local/roboto.js')) {
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return 'new URL("..", document.baseURI).href';
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}
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return null;
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}
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}
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};
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export default {
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treeshake: false,
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onwarn: warning => {
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if(warning.code === 'CIRCULAR_DEPENDENCY') {
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// Temporary allow CIRCULAR_DEPENDENCY.
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// See https://bugs.chromium.org/p/gerrit/issues/detail?id=12090
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// Delete this code after bug is fixed.
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return;
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}
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// No warnings from rollupjs are allowed.
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// Most of the warnings are real error in our code (for example,
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// if some import couldn't be resolved we can't continue, but rollup
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// reports it as a warning)
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throw new Error(warning.message);
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},
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output: {
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format: 'iife',
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compact: true,
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plugins: [terser()]
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},
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//Context must be set to window to correctly processing global variables
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context: 'window',
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plugins: [resolve({
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customResolveOptions: {
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moduleDirectory: 'node_modules'
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}
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}), importLocalFontMetaUrlResolver()],
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};
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