UNPKG

17.5 kBJavaScriptView Raw
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.SimpleSinkBase = void 0;
11const rxjs_1 = require("rxjs");
12const operators_1 = require("rxjs/operators");
13const exception_1 = require("../exception/exception");
14const action_1 = require("../tree/action");
15const Noop = function () { };
16class SimpleSinkBase {
17 constructor() {
18 this.preCommitAction = Noop;
19 this.postCommitAction = Noop;
20 this.preCommit = Noop;
21 this.postCommit = Noop;
22 }
23 _fileAlreadyExistException(path) {
24 throw new exception_1.FileAlreadyExistException(path);
25 }
26 _fileDoesNotExistException(path) {
27 throw new exception_1.FileDoesNotExistException(path);
28 }
29 _validateOverwriteAction(action) {
30 return this._validateFileExists(action.path).pipe((0, operators_1.map)((b) => {
31 if (!b) {
32 this._fileDoesNotExistException(action.path);
33 }
34 }));
35 }
36 _validateCreateAction(action) {
37 return this._validateFileExists(action.path).pipe((0, operators_1.map)((b) => {
38 if (b) {
39 this._fileAlreadyExistException(action.path);
40 }
41 }));
42 }
43 _validateRenameAction(action) {
44 return this._validateFileExists(action.path).pipe((0, operators_1.map)((b) => {
45 if (!b) {
46 this._fileDoesNotExistException(action.path);
47 }
48 }), (0, operators_1.mergeMap)(() => this._validateFileExists(action.to)), (0, operators_1.map)((b) => {
49 if (b) {
50 this._fileAlreadyExistException(action.to);
51 }
52 }));
53 }
54 _validateDeleteAction(action) {
55 return this._validateFileExists(action.path).pipe((0, operators_1.map)((b) => {
56 if (!b) {
57 this._fileDoesNotExistException(action.path);
58 }
59 }));
60 }
61 validateSingleAction(action) {
62 switch (action.kind) {
63 case 'o':
64 return this._validateOverwriteAction(action);
65 case 'c':
66 return this._validateCreateAction(action);
67 case 'r':
68 return this._validateRenameAction(action);
69 case 'd':
70 return this._validateDeleteAction(action);
71 default:
72 throw new action_1.UnknownActionException(action);
73 }
74 }
75 commitSingleAction(action) {
76 return (0, rxjs_1.concat)(this.validateSingleAction(action), new rxjs_1.Observable((observer) => {
77 let committed = null;
78 switch (action.kind) {
79 case 'o':
80 committed = this._overwriteFile(action.path, action.content);
81 break;
82 case 'c':
83 committed = this._createFile(action.path, action.content);
84 break;
85 case 'r':
86 committed = this._renameFile(action.path, action.to);
87 break;
88 case 'd':
89 committed = this._deleteFile(action.path);
90 break;
91 }
92 if (committed) {
93 committed.subscribe(observer);
94 }
95 else {
96 observer.complete();
97 }
98 })).pipe((0, operators_1.ignoreElements)());
99 }
100 commit(tree) {
101 const actions = (0, rxjs_1.from)(tree.actions);
102 return (0, rxjs_1.concat)(this.preCommit() || (0, rxjs_1.of)(null), (0, rxjs_1.defer)(() => actions).pipe((0, operators_1.concatMap)((action) => {
103 const maybeAction = this.preCommitAction(action);
104 if ((0, rxjs_1.isObservable)(maybeAction) || isPromiseLike(maybeAction)) {
105 return maybeAction;
106 }
107 return (0, rxjs_1.of)(maybeAction || action);
108 }), (0, operators_1.concatMap)((action) => {
109 return (0, rxjs_1.concat)(this.commitSingleAction(action).pipe((0, operators_1.ignoreElements)()), (0, rxjs_1.of)(action));
110 }), (0, operators_1.concatMap)((action) => this.postCommitAction(action) || (0, rxjs_1.of)(null))), (0, rxjs_1.defer)(() => this._done()), (0, rxjs_1.defer)(() => this.postCommit() || (0, rxjs_1.of)(null))).pipe((0, operators_1.ignoreElements)());
111 }
112}
113exports.SimpleSinkBase = SimpleSinkBase;
114function isPromiseLike(value) {
115 return !!value && typeof value.then === 'function';
116}
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {\n  Observable,\n  concat,\n  defer as deferObservable,\n  isObservable,\n  from as observableFrom,\n  of as observableOf,\n} from 'rxjs';\nimport { concatMap, ignoreElements, map, mergeMap } from 'rxjs/operators';\nimport { FileAlreadyExistException, FileDoesNotExistException } from '../exception/exception';\nimport {\n  Action,\n  CreateFileAction,\n  DeleteFileAction,\n  OverwriteFileAction,\n  RenameFileAction,\n  UnknownActionException,\n} from '../tree/action';\nimport { Tree } from '../tree/interface';\n\nexport interface Sink {\n  commit(tree: Tree): Observable<void>;\n}\n\nconst Noop = function () {};\n\nexport abstract class SimpleSinkBase implements Sink {\n  preCommitAction: (action: Action) => void | Action | PromiseLike<Action> | Observable<Action> =\n    Noop;\n  postCommitAction: (action: Action) => void | Observable<void> = Noop;\n  preCommit: () => void | Observable<void> = Noop;\n  postCommit: () => void | Observable<void> = Noop;\n\n  protected abstract _validateFileExists(p: string): Observable<boolean>;\n\n  protected abstract _overwriteFile(path: string, content: Buffer): Observable<void>;\n  protected abstract _createFile(path: string, content: Buffer): Observable<void>;\n  protected abstract _renameFile(path: string, to: string): Observable<void>;\n  protected abstract _deleteFile(path: string): Observable<void>;\n\n  protected abstract _done(): Observable<void>;\n\n  protected _fileAlreadyExistException(path: string): void {\n    throw new FileAlreadyExistException(path);\n  }\n  protected _fileDoesNotExistException(path: string): void {\n    throw new FileDoesNotExistException(path);\n  }\n\n  protected _validateOverwriteAction(action: OverwriteFileAction): Observable<void> {\n    return this._validateFileExists(action.path).pipe(\n      map((b) => {\n        if (!b) {\n          this._fileDoesNotExistException(action.path);\n        }\n      }),\n    );\n  }\n  protected _validateCreateAction(action: CreateFileAction): Observable<void> {\n    return this._validateFileExists(action.path).pipe(\n      map((b) => {\n        if (b) {\n          this._fileAlreadyExistException(action.path);\n        }\n      }),\n    );\n  }\n  protected _validateRenameAction(action: RenameFileAction): Observable<void> {\n    return this._validateFileExists(action.path).pipe(\n      map((b) => {\n        if (!b) {\n          this._fileDoesNotExistException(action.path);\n        }\n      }),\n      mergeMap(() => this._validateFileExists(action.to)),\n      map((b) => {\n        if (b) {\n          this._fileAlreadyExistException(action.to);\n        }\n      }),\n    );\n  }\n  protected _validateDeleteAction(action: DeleteFileAction): Observable<void> {\n    return this._validateFileExists(action.path).pipe(\n      map((b) => {\n        if (!b) {\n          this._fileDoesNotExistException(action.path);\n        }\n      }),\n    );\n  }\n\n  validateSingleAction(action: Action): Observable<void> {\n    switch (action.kind) {\n      case 'o':\n        return this._validateOverwriteAction(action);\n      case 'c':\n        return this._validateCreateAction(action);\n      case 'r':\n        return this._validateRenameAction(action);\n      case 'd':\n        return this._validateDeleteAction(action);\n      default:\n        throw new UnknownActionException(action);\n    }\n  }\n\n  commitSingleAction(action: Action): Observable<void> {\n    return concat(\n      this.validateSingleAction(action),\n      new Observable<void>((observer) => {\n        let committed: Observable<void> | null = null;\n        switch (action.kind) {\n          case 'o':\n            committed = this._overwriteFile(action.path, action.content);\n            break;\n          case 'c':\n            committed = this._createFile(action.path, action.content);\n            break;\n          case 'r':\n            committed = this._renameFile(action.path, action.to);\n            break;\n          case 'd':\n            committed = this._deleteFile(action.path);\n            break;\n        }\n\n        if (committed) {\n          committed.subscribe(observer);\n        } else {\n          observer.complete();\n        }\n      }),\n    ).pipe(ignoreElements());\n  }\n\n  commit(tree: Tree): Observable<void> {\n    const actions = observableFrom(tree.actions);\n\n    return concat(\n      this.preCommit() || observableOf(null),\n      deferObservable(() => actions).pipe(\n        concatMap((action) => {\n          const maybeAction = this.preCommitAction(action);\n\n          if (isObservable(maybeAction) || isPromiseLike(maybeAction)) {\n            return maybeAction;\n          }\n\n          return observableOf(maybeAction || action);\n        }),\n        concatMap((action) => {\n          return concat(\n            this.commitSingleAction(action).pipe(ignoreElements()),\n            observableOf(action),\n          );\n        }),\n        concatMap((action) => this.postCommitAction(action) || observableOf(null)),\n      ),\n      deferObservable(() => this._done()),\n      deferObservable(() => this.postCommit() || observableOf(null)),\n    ).pipe(ignoreElements());\n  }\n}\n\nfunction isPromiseLike<T, U = unknown>(value: U | PromiseLike<T>): value is PromiseLike<T> {\n  return !!value && typeof (value as PromiseLike<T>).then === 'function';\n}\n"]}
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