source: trip-planner-front/node_modules/@angular/core/schematics/migrations/native-view-encapsulation/index.js@ 8d391a1

/**
 * @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
 */
(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define("@angular/core/schematics/migrations/native-view-encapsulation", ["require", "exports", "@angular-devkit/schematics", "path", "@angular/core/schematics/utils/project_tsconfig_paths", "@angular/core/schematics/utils/typescript/compiler_host", "@angular/core/schematics/migrations/native-view-encapsulation/util"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    const schematics_1 = require("@angular-devkit/schematics");
    const path_1 = require("path");
    const project_tsconfig_paths_1 = require("@angular/core/schematics/utils/project_tsconfig_paths");
    const compiler_host_1 = require("@angular/core/schematics/utils/typescript/compiler_host");
    const util_1 = require("@angular/core/schematics/migrations/native-view-encapsulation/util");
    /** Migration that switches from `ViewEncapsulation.Native` to `ViewEncapsulation.ShadowDom`. */
    function default_1() {
        return (tree) => {
            const { buildPaths, testPaths } = project_tsconfig_paths_1.getProjectTsConfigPaths(tree);
            const basePath = process.cwd();
            const allPaths = [...buildPaths, ...testPaths];
            if (!allPaths.length) {
                throw new schematics_1.SchematicsException('Could not find any tsconfig file. Cannot migrate away from Native view encapsulation.');
            }
            for (const tsconfigPath of allPaths) {
                runNativeViewEncapsulationMigration(tree, tsconfigPath, basePath);
            }
        };
    }
    exports.default = default_1;
    function runNativeViewEncapsulationMigration(tree, tsconfigPath, basePath) {
        const { program } = compiler_host_1.createMigrationProgram(tree, tsconfigPath, basePath);
        const typeChecker = program.getTypeChecker();
        const sourceFiles = program.getSourceFiles().filter(sourceFile => compiler_host_1.canMigrateFile(basePath, sourceFile, program));
        sourceFiles.forEach(sourceFile => {
            const update = tree.beginUpdate(path_1.relative(basePath, sourceFile.fileName));
            const identifiers = util_1.findNativeEncapsulationNodes(typeChecker, sourceFile);
            identifiers.forEach(node => {
                update.remove(node.getStart(), node.getWidth());
                update.insertRight(node.getStart(), 'ShadowDom');
            });
            tree.commitUpdate(update);
        });
    }
});
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