app/node_modules/@angular/cdk/schematics/update-tool/migration.js

"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.dev/license
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.Migration = void 0;
const ts = require("typescript");
class Migration {
    constructor(
    /** TypeScript program for the migration. */
    program, 
    /** TypeChecker instance for the analysis program. */
    typeChecker, 
    /**
     * Version for which the migration rule should run. Null if the migration
     * is invoked manually.
     */
    targetVersion, 
    /** Context data for the migration. */
    context, 
    /** Upgrade data passed to the migration. */
    upgradeData, 
    /** File system that can be used for modifying files. */
    fileSystem, 
    /** Logger that can be used to print messages as part of the migration. */
    logger) {
        this.program = program;
        this.typeChecker = typeChecker;
        this.targetVersion = targetVersion;
        this.context = context;
        this.upgradeData = upgradeData;
        this.fileSystem = fileSystem;
        this.logger = logger;
        /** List of migration failures that need to be reported. */
        this.failures = [];
    }
    /** Method can be used to perform global analysis of the program. */
    init() { }
    /**
     * Method that will be called once all nodes, templates and stylesheets
     * have been visited.
     */
    postAnalysis() { }
    /**
     * Method that will be called for each node in a given source file. Unlike tslint, this
     * function will only retrieve TypeScript nodes that need to be casted manually. This
     * allows us to only walk the program source files once per program and not per
     * migration rule (significant performance boost).
     */
    visitNode(node) { }
    /** Method that will be called for each Angular template in the program. */
    visitTemplate(template) { }
    /** Method that will be called for each stylesheet in the program. */
    visitStylesheet(stylesheet) { }
    /** Creates a failure with a specified message at the given node location. */
    createFailureAtNode(node, message) {
        const sourceFile = node.getSourceFile();
        this.failures.push({
            filePath: this.fileSystem.resolve(sourceFile.fileName),
            position: ts.getLineAndCharacterOfPosition(sourceFile, node.getStart()),
            message: message,
        });
    }
}
exports.Migration = Migration;
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