gnezim
117 lines
4.4 KiB
JavaScript
117 lines
4.4 KiB
JavaScript
"use strict";
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/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.SimpleSinkBase = void 0;
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const rxjs_1 = require("rxjs");
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const operators_1 = require("rxjs/operators");
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const exception_1 = require("../exception/exception");
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const action_1 = require("../tree/action");
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const Noop = function () { };
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class SimpleSinkBase {
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constructor() {
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this.preCommitAction = Noop;
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this.postCommitAction = Noop;
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this.preCommit = Noop;
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this.postCommit = Noop;
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}
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_fileAlreadyExistException(path) {
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throw new exception_1.FileAlreadyExistException(path);
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}
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_fileDoesNotExistException(path) {
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throw new exception_1.FileDoesNotExistException(path);
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}
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_validateOverwriteAction(action) {
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return this._validateFileExists(action.path).pipe(operators_1.map((b) => {
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if (!b) {
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this._fileDoesNotExistException(action.path);
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}
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}));
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}
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_validateCreateAction(action) {
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return this._validateFileExists(action.path).pipe(operators_1.map((b) => {
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if (b) {
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this._fileAlreadyExistException(action.path);
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}
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}));
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}
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_validateRenameAction(action) {
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return this._validateFileExists(action.path).pipe(operators_1.map((b) => {
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if (!b) {
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this._fileDoesNotExistException(action.path);
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}
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}), operators_1.mergeMap(() => this._validateFileExists(action.to)), operators_1.map((b) => {
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if (b) {
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this._fileAlreadyExistException(action.to);
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}
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}));
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}
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_validateDeleteAction(action) {
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return this._validateFileExists(action.path).pipe(operators_1.map((b) => {
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if (!b) {
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this._fileDoesNotExistException(action.path);
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}
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}));
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}
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validateSingleAction(action) {
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switch (action.kind) {
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case 'o':
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return this._validateOverwriteAction(action);
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case 'c':
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return this._validateCreateAction(action);
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case 'r':
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return this._validateRenameAction(action);
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case 'd':
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return this._validateDeleteAction(action);
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default:
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throw new action_1.UnknownActionException(action);
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}
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}
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commitSingleAction(action) {
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return rxjs_1.concat(this.validateSingleAction(action), new rxjs_1.Observable((observer) => {
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let committed = null;
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switch (action.kind) {
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case 'o':
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committed = this._overwriteFile(action.path, action.content);
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break;
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case 'c':
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committed = this._createFile(action.path, action.content);
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break;
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case 'r':
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committed = this._renameFile(action.path, action.to);
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break;
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case 'd':
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committed = this._deleteFile(action.path);
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break;
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}
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if (committed) {
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committed.subscribe(observer);
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}
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else {
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observer.complete();
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}
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})).pipe(operators_1.ignoreElements());
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}
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commit(tree) {
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const actions = rxjs_1.from(tree.actions);
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return rxjs_1.concat(this.preCommit() || rxjs_1.of(null), rxjs_1.defer(() => actions).pipe(operators_1.concatMap((action) => {
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const maybeAction = this.preCommitAction(action);
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if (rxjs_1.isObservable(maybeAction) || isPromiseLike(maybeAction)) {
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return maybeAction;
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}
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return rxjs_1.of(maybeAction || action);
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}), operators_1.concatMap((action) => {
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return rxjs_1.concat(this.commitSingleAction(action).pipe(operators_1.ignoreElements()), rxjs_1.of(action));
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}), operators_1.concatMap((action) => this.postCommitAction(action) || rxjs_1.of(null))), rxjs_1.defer(() => this._done()), rxjs_1.defer(() => this.postCommit() || rxjs_1.of(null))).pipe(operators_1.ignoreElements());
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}
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}
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exports.SimpleSinkBase = SimpleSinkBase;
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function isPromiseLike(value) {
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return !!value && typeof value.then === 'function';
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}
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