source: trip-planner-front/node_modules/@angular-devkit/schematics/tools/fallback-engine-host.js@ ceaed42

Last change on this file since ceaed42 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

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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 */
9Object.defineProperty(exports, "__esModule", { value: true });
10exports.FallbackEngineHost = void 0;
11const rxjs_1 = require("rxjs");
12const operators_1 = require("rxjs/operators");
13const src_1 = require("../src");
14/**
15 * An EngineHost that support multiple hosts in a fallback configuration. If a host does not
16 * have a collection/schematics, use the following host before giving up.
17 */
18class FallbackEngineHost {
19 constructor() {
20 this._hosts = [];
21 }
22 addHost(host) {
23 this._hosts.push(host);
24 }
25 createCollectionDescription(name, requester) {
26 for (const host of this._hosts) {
27 try {
28 const description = host.createCollectionDescription(name, requester);
29 return { name, host, description };
30 }
31 catch (_) { }
32 }
33 throw new src_1.UnknownCollectionException(name);
34 }
35 createSchematicDescription(name, collection) {
36 const description = collection.host.createSchematicDescription(name, collection.description);
37 if (!description) {
38 return null;
39 }
40 return { name, collection, description };
41 }
42 getSchematicRuleFactory(schematic, collection) {
43 return collection.host.getSchematicRuleFactory(schematic.description, collection.description);
44 }
45 createSourceFromUrl(url, context) {
46 return context.schematic.collection.description.host.createSourceFromUrl(url, context);
47 }
48 transformOptions(schematic, options, context) {
49 // eslint-disable-next-line @typescript-eslint/no-explicit-any
50 return rxjs_1.of(options).pipe(...this._hosts.map((host) => operators_1.mergeMap((opt) => host.transformOptions(schematic, opt, context))));
51 }
52 transformContext(context) {
53 let result = context;
54 this._hosts.forEach((host) => {
55 result = (host.transformContext(result) || result);
56 });
57 return result;
58 }
59 listSchematicNames(collection) {
60 const allNames = new Set();
61 this._hosts.forEach((host) => {
62 try {
63 host.listSchematicNames(collection.description).forEach((name) => allNames.add(name));
64 }
65 catch (_) { }
66 });
67 return [...allNames];
68 }
69 createTaskExecutor(name) {
70 for (const host of this._hosts) {
71 if (host.hasTaskExecutor(name)) {
72 return host.createTaskExecutor(name);
73 }
74 }
75 return rxjs_1.throwError(new src_1.UnregisteredTaskException(name));
76 }
77 hasTaskExecutor(name) {
78 for (const host of this._hosts) {
79 if (host.hasTaskExecutor(name)) {
80 return true;
81 }
82 }
83 return false;
84 }
85}
86exports.FallbackEngineHost = FallbackEngineHost;
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