angular-docs-cn/packages/core/schematics/migrations/google3/navigationExtrasOmissionsRu...

39 lines
1.4 KiB
TypeScript

/**
* @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
*/
import {Replacement, RuleFailure, Rules} from 'tslint';
import * as ts from 'typescript';
import {findLiteralsToMigrate, migrateLiteral} from '../../migrations/navigation-extras-omissions/util';
/** TSLint rule that migrates `navigateByUrl` and `createUrlTree` calls to an updated signature. */
export class Rule extends Rules.TypedRule {
applyWithProgram(sourceFile: ts.SourceFile, program: ts.Program): RuleFailure[] {
const failures: RuleFailure[] = [];
const typeChecker = program.getTypeChecker();
const printer = ts.createPrinter();
const literalsToMigrate = findLiteralsToMigrate(sourceFile, typeChecker);
literalsToMigrate.forEach((instances, methodName) => instances.forEach(instance => {
const migratedNode = migrateLiteral(methodName, instance);
if (migratedNode !== instance) {
failures.push(new RuleFailure(
sourceFile, instance.getStart(), instance.getEnd(),
'Object used in navigateByUrl or createUrlTree call contains unsupported properties.',
this.ruleName,
new Replacement(
instance.getStart(), instance.getWidth(),
printer.printNode(ts.EmitHint.Unspecified, migratedNode, sourceFile))));
}
}));
return failures;
}
}