source: trip-planner-front/node_modules/@angular/cdk/schematics/ng-update/devkit-file-system.mjs@ 1ad8e64

"use strict";
/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.DevkitFileSystem = void 0;
const core_1 = require("@angular-devkit/core");
const file_system_1 = require("../update-tool/file-system");
const path = require("path");
/**
 * File system that leverages the virtual tree from the CLI devkit. This file
 * system is commonly used by `ng update` migrations that run as part of the
 * Angular CLI.
 */
class DevkitFileSystem extends file_system_1.FileSystem {
    constructor(_tree) {
        super();
        this._tree = _tree;
        this._updateRecorderCache = new Map();
    }
    resolve(...segments) {
        // Note: We use `posix.resolve` as the devkit paths are using posix separators.
        return core_1.normalize(path.posix.resolve('/', ...segments.map(core_1.normalize)));
    }
    edit(filePath) {
        if (this._updateRecorderCache.has(filePath)) {
            return this._updateRecorderCache.get(filePath);
        }
        const recorder = this._tree.beginUpdate(filePath);
        this._updateRecorderCache.set(filePath, recorder);
        return recorder;
    }
    commitEdits() {
        this._updateRecorderCache.forEach(r => this._tree.commitUpdate(r));
        this._updateRecorderCache.clear();
    }
    fileExists(filePath) {
        return this._tree.exists(filePath);
    }
    directoryExists(dirPath) {
        // The devkit tree does not expose an API for checking whether a given
        // directory exists. It throws a specific error though if a directory
        // is being read as a file. We use that to check if a directory exists.
        try {
            this._tree.get(dirPath);
        }
        catch (e) {
            // Note: We do not use an `instanceof` check here. It could happen that the devkit version
            // used by the CLI is different than the one we end up loading. This can happen depending
            // on how Yarn/NPM hoists the NPM packages / whether there are multiple versions installed.
            if (e instanceof Error && e.constructor.name === 'PathIsDirectoryException') {
                return true;
            }
        }
        return false;
    }
    overwrite(filePath, content) {
        this._tree.overwrite(filePath, content);
    }
    create(filePath, content) {
        this._tree.create(filePath, content);
    }
    delete(filePath) {
        this._tree.delete(filePath);
    }
    read(filePath) {
        const buffer = this._tree.read(filePath);
        return buffer !== null ? buffer.toString() : null;
    }
    readDirectory(dirPath) {
        const { subdirs: directories, subfiles: files } = this._tree.getDir(dirPath);
        return { directories, files };
    }
}
exports.DevkitFileSystem = DevkitFileSystem;
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