2020-04-06 09:26:58 -07:00

40 lines
1.2 KiB
TypeScript

/**
* @license
* Copyright Google Inc. 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 {AbsoluteFsPath} from '../../../src/ngtsc/file_system';
import {ImportRewriter, NoopImportRewriter, R3SymbolsImportRewriter} from '../../../src/ngtsc/imports';
import {NgccFlatImportRewriter} from './ngcc_import_rewriter';
/**
* Information about a file that has been rendered.
*/
export interface FileToWrite {
/** Path to where the file should be written. */
path: AbsoluteFsPath;
/** The contents of the file to be be written. */
contents: string;
}
/**
* Create an appropriate ImportRewriter given the parameters.
*/
export function getImportRewriter(
r3SymbolsFile: ts.SourceFile|null, isCore: boolean, isFlat: boolean): ImportRewriter {
if (isCore && isFlat) {
return new NgccFlatImportRewriter();
} else if (isCore) {
return new R3SymbolsImportRewriter(r3SymbolsFile!.fileName);
} else {
return new NoopImportRewriter();
}
}
export function stripExtension<T extends string>(filePath: T): T {
return filePath.replace(/\.(js|d\.ts)$/, '') as T;
}