source: trip-planner-front/node_modules/@schematics/angular/migrations/update-10/remove-es5-browser-support.js

Last change on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
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1"use strict";
2/**
3 * @license
4 * Copyright Google LLC All Rights Reserved.
5 *
6 * Use of this source code is governed by an MIT-style license that can be
7 * found in the LICENSE file at https://angular.io/license
8 */
9var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
10 if (k2 === undefined) k2 = k;
11 Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
12}) : (function(o, m, k, k2) {
13 if (k2 === undefined) k2 = k;
14 o[k2] = m[k];
15}));
16var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
17 Object.defineProperty(o, "default", { enumerable: true, value: v });
18}) : function(o, v) {
19 o["default"] = v;
20});
21var __importStar = (this && this.__importStar) || function (mod) {
22 if (mod && mod.__esModule) return mod;
23 var result = {};
24 if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
25 __setModuleDefault(result, mod);
26 return result;
27};
28Object.defineProperty(exports, "__esModule", { value: true });
29const core_1 = require("@angular-devkit/core");
30const workspace_1 = require("../../utility/workspace");
31const workspace_models_1 = require("../../utility/workspace-models");
32function default_1() {
33 return async (host, context) => {
34 const workspace = await workspace_1.getWorkspace(host);
35 for (const [projectName, project] of workspace.projects) {
36 if (project.extensions.projectType !== workspace_models_1.ProjectType.Application) {
37 // Only interested in application projects
38 continue;
39 }
40 for (const [, target] of project.targets) {
41 // Only interested in Angular Devkit Browser builder
42 if ((target === null || target === void 0 ? void 0 : target.builder) !== workspace_models_1.Builders.Browser) {
43 continue;
44 }
45 const isES5Needed = await isES5SupportNeeded(core_1.resolve(core_1.normalize(host.root.path), core_1.normalize(project.root)));
46 // Check options
47 if (target.options) {
48 target.options = removeE5BrowserSupportOption(projectName, target.options, isES5Needed, context.logger);
49 }
50 // Go through each configuration entry
51 if (!target.configurations) {
52 continue;
53 }
54 for (const [configurationName, options] of Object.entries(target.configurations)) {
55 target.configurations[configurationName] = removeE5BrowserSupportOption(projectName, options, isES5Needed, context.logger, configurationName);
56 }
57 }
58 }
59 return workspace_1.updateWorkspace(workspace);
60 };
61}
62exports.default = default_1;
63function removeE5BrowserSupportOption(projectName, options, isES5Needed, logger, configurationName = '') {
64 if (typeof (options === null || options === void 0 ? void 0 : options.es5BrowserSupport) !== 'boolean') {
65 return options;
66 }
67 const configurationPath = configurationName ? `configurations.${configurationName}.` : '';
68 if (options.es5BrowserSupport && isES5Needed === false) {
69 logger.warn(`Project '${projectName}' doesn't require ES5 support, but '${configurationPath}es5BrowserSupport' was set to 'true'.\n` +
70 `ES5 polyfills will no longer be added when building this project${configurationName ? ` with '${configurationName}' configuration.` : '.'}\n` +
71 `If ES5 polyfills are needed, add the supported ES5 browsers in the browserslist configuration.`);
72 }
73 else if (!options.es5BrowserSupport && isES5Needed === true) {
74 logger.warn(`Project '${projectName}' requires ES5 support, but '${configurationPath}es5BrowserSupport' was set to 'false'.\n` +
75 `ES5 polyfills will be added when building this project${configurationName ? ` with '${configurationName}' configuration.` : '.'}\n` +
76 `If ES5 polyfills are not needed, remove the unsupported ES5 browsers from the browserslist configuration.`);
77 }
78 return {
79 ...options,
80 es5BrowserSupport: undefined,
81 };
82}
83/**
84 * True, when one or more browsers requires ES5 support
85 */
86async function isES5SupportNeeded(projectRoot) {
87 // y: feature is fully available
88 // n: feature is unavailable
89 // a: feature is partially supported
90 // x: feature is prefixed
91 const criteria = ['y', 'a'];
92 try {
93 // eslint-disable-next-line import/no-extraneous-dependencies
94 const browserslist = (await Promise.resolve().then(() => __importStar(require('browserslist')))).default;
95 const supportedBrowsers = browserslist(undefined, {
96 path: core_1.getSystemPath(projectRoot),
97 });
98 // eslint-disable-next-line import/no-extraneous-dependencies
99 const { feature, features } = await Promise.resolve().then(() => __importStar(require('caniuse-lite')));
100 const data = feature(features['es6-module']);
101 return supportedBrowsers.some((browser) => {
102 const [agentId, version] = browser.split(' ');
103 const browserData = data.stats[agentId];
104 const featureStatus = (browserData && browserData[version]);
105 // We are only interested in the first character
106 // Ex: when 'a #4 #5', we only need to check for 'a'
107 // as for such cases we should polyfill these features as needed
108 return !featureStatus || !criteria.includes(featureStatus.charAt(0));
109 });
110 }
111 catch {
112 return undefined;
113 }
114}
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