angular-cn/packages/core/schematics/migrations/relative-link-resolution/util.ts

34 lines
1.3 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 * as ts from 'typescript';
import {getImportOfIdentifier} from '../../utils/typescript/imports';
/** Determine whether a node is a ModuleWithProviders type reference node without a generic type */
export function isRouterModuleForRoot(
typeChecker: ts.TypeChecker, node: ts.Node): node is ts.CallExpression {
if (!ts.isCallExpression(node) || !ts.isPropertyAccessExpression(node.expression) ||
!ts.isIdentifier(node.expression.expression) || node.expression.name.text !== 'forRoot') {
return false;
}
const imp = getImportOfIdentifier(typeChecker, node.expression.expression);
return !!imp && imp.name === 'RouterModule' && imp.importModule === '@angular/router' &&
!node.typeArguments;
}
export function isExtraOptions(
typeChecker: ts.TypeChecker, node: ts.Node): node is ts.TypeReferenceNode {
if (!ts.isTypeReferenceNode(node) || !ts.isIdentifier(node.typeName)) {
return false;
}
const imp = getImportOfIdentifier(typeChecker, node.typeName);
return imp !== null && imp.name === 'ExtraOptions' && imp.importModule === '@angular/router' &&
!node.typeArguments;
}