1 | ;
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2 | /**
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3 | * @license
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4 | * Copyright Google LLC All Rights Reserved.
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5 | *
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6 | * Use of this source code is governed by an MIT-style license that can be
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7 | * found in the LICENSE file at https://angular.io/license
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8 | */
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9 | Object.defineProperty(exports, "__esModule", { value: true });
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10 | exports.FallbackEngineHost = void 0;
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11 | const rxjs_1 = require("rxjs");
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12 | const operators_1 = require("rxjs/operators");
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13 | const src_1 = require("../src");
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14 | /**
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15 | * An EngineHost that support multiple hosts in a fallback configuration. If a host does not
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16 | * have a collection/schematics, use the following host before giving up.
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17 | */
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18 | class FallbackEngineHost {
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19 | constructor() {
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20 | this._hosts = [];
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21 | }
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22 | addHost(host) {
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23 | this._hosts.push(host);
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24 | }
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25 | createCollectionDescription(name, requester) {
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26 | for (const host of this._hosts) {
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27 | try {
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28 | const description = host.createCollectionDescription(name, requester);
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29 | return { name, host, description };
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30 | }
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31 | catch (_) { }
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32 | }
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33 | throw new src_1.UnknownCollectionException(name);
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34 | }
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35 | createSchematicDescription(name, collection) {
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36 | const description = collection.host.createSchematicDescription(name, collection.description);
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37 | if (!description) {
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38 | return null;
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39 | }
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40 | return { name, collection, description };
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41 | }
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42 | getSchematicRuleFactory(schematic, collection) {
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43 | return collection.host.getSchematicRuleFactory(schematic.description, collection.description);
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44 | }
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45 | createSourceFromUrl(url, context) {
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46 | return context.schematic.collection.description.host.createSourceFromUrl(url, context);
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47 | }
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48 | transformOptions(schematic, options, context) {
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49 | // eslint-disable-next-line @typescript-eslint/no-explicit-any
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50 | return (0, rxjs_1.of)(options).pipe(...this._hosts.map((host) => (0, operators_1.mergeMap)((opt) => host.transformOptions(schematic, opt, context))));
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51 | }
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52 | transformContext(context) {
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53 | let result = context;
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54 | this._hosts.forEach((host) => {
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55 | result = (host.transformContext(result) || result);
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56 | });
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57 | return result;
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58 | }
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59 | listSchematicNames(collection, includeHidden) {
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60 | const allNames = new Set();
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61 | this._hosts.forEach((host) => {
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62 | try {
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63 | host
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64 | .listSchematicNames(collection.description, includeHidden)
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65 | .forEach((name) => allNames.add(name));
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66 | }
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67 | catch (_) { }
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68 | });
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69 | return [...allNames];
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70 | }
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71 | createTaskExecutor(name) {
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72 | for (const host of this._hosts) {
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73 | if (host.hasTaskExecutor(name)) {
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74 | return host.createTaskExecutor(name);
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75 | }
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76 | }
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77 | return (0, rxjs_1.throwError)(new src_1.UnregisteredTaskException(name));
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78 | }
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79 | hasTaskExecutor(name) {
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80 | for (const host of this._hosts) {
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81 | if (host.hasTaskExecutor(name)) {
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82 | return true;
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83 | }
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84 | }
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85 | return false;
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86 | }
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87 | }
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88 | exports.FallbackEngineHost = FallbackEngineHost;
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If a host does not\n * have a collection/schematics, use the following host before giving up.\n */\nexport class FallbackEngineHost implements EngineHost<{}, {}> {\n  private _hosts: EngineHost<{}, {}>[] = [];\n\n  addHost<CollectionT extends object, SchematicT extends object>(\n    host: EngineHost<CollectionT, SchematicT>,\n  ) {\n    this._hosts.push(host);\n  }\n\n  createCollectionDescription(\n    name: string,\n    requester?: CollectionDescription<{}>,\n  ): CollectionDescription<FallbackCollectionDescription> {\n    for (const host of this._hosts) {\n      try {\n        const description = host.createCollectionDescription(name, requester);\n\n        return { name, host, description };\n      } catch (_) {}\n    }\n\n    throw new UnknownCollectionException(name);\n  }\n\n  createSchematicDescription(\n    name: string,\n    collection: CollectionDescription<FallbackCollectionDescription>,\n  ): SchematicDescription<FallbackCollectionDescription, FallbackSchematicDescription> | null {\n    const description = collection.host.createSchematicDescription(name, collection.description);\n    if (!description) {\n      return null;\n    }\n\n    return { name, collection, description };\n  }\n\n  getSchematicRuleFactory<OptionT extends object>(\n    schematic: SchematicDescription<FallbackCollectionDescription, FallbackSchematicDescription>,\n    collection: CollectionDescription<FallbackCollectionDescription>,\n  ): RuleFactory<OptionT> {\n    return collection.host.getSchematicRuleFactory(schematic.description, collection.description);\n  }\n\n  createSourceFromUrl(url: Url, context: FallbackContext): Source | null {\n    return context.schematic.collection.description.host.createSourceFromUrl(url, context);\n  }\n\n  transformOptions<OptionT extends object, ResultT extends object>(\n    schematic: SchematicDescription<FallbackCollectionDescription, FallbackSchematicDescription>,\n    options: OptionT,\n    context?: FallbackContext,\n  ): Observable<ResultT> {\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n    return (observableOf(options) as any).pipe(\n      ...this._hosts.map((host) =>\n        mergeMap((opt: {}) => host.transformOptions(schematic, opt, context)),\n      ),\n    ) as {} as Observable<ResultT>;\n  }\n\n  transformContext(context: FallbackContext): FallbackContext {\n    let result = context;\n\n    this._hosts.forEach((host) => {\n      result = (host.transformContext(result) || result) as FallbackContext;\n    });\n\n    return result;\n  }\n\n  listSchematicNames(\n    collection: CollectionDescription<FallbackCollectionDescription>,\n    includeHidden?: boolean,\n  ): string[] {\n    const allNames = new Set<string>();\n    this._hosts.forEach((host) => {\n      try {\n        host\n          .listSchematicNames(collection.description, includeHidden)\n          .forEach((name) => allNames.add(name));\n      } catch (_) {}\n    });\n\n    return [...allNames];\n  }\n\n  createTaskExecutor(name: string): Observable<TaskExecutor> {\n    for (const host of this._hosts) {\n      if (host.hasTaskExecutor(name)) {\n        return host.createTaskExecutor(name);\n      }\n    }\n\n    return throwError(new UnregisteredTaskException(name));\n  }\n\n  hasTaskExecutor(name: string): boolean {\n    for (const host of this._hosts) {\n      if (host.hasTaskExecutor(name)) {\n        return true;\n      }\n    }\n\n    return false;\n  }\n}\n"]} |
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