@angular/cdk
Version:
Angular Material Component Development Kit
67 lines • 8.47 kB
JavaScript
;
/**
* @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.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. */
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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