1/*
2 * Copyright (c) 2023-2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16import * as npath from 'node:path';
17import type * as ts from 'typescript';
18
19export function pathContainsDirectory(path: string, dir: string): boolean {
20  for (const pathDir of npath.dirname(path).split(npath.sep)) {
21    if (pathDir === dir) {
22      return true;
23    }
24  }
25  return false;
26}
27
28const srcFilePathComponentsCache = new Map<ts.SourceFile, string[]>();
29
30export function srcFilePathContainsDirectory(srcFile: ts.SourceFile, dir: string): boolean {
31  let pathComps = srcFilePathComponentsCache.get(srcFile);
32  if (!pathComps) {
33    pathComps = npath.dirname(npath.normalize(srcFile.fileName)).split(npath.sep);
34    srcFilePathComponentsCache.set(srcFile, pathComps);
35  }
36  for (const subdir of pathComps) {
37    if (subdir === dir) {
38      return true;
39    }
40  }
41  return false;
42}
43
44export function clearPathHelperCache(): void {
45  srcFilePathComponentsCache.clear();
46}
47