xref: /expo/packages/@expo/fingerprint/src/Options.ts (revision 57cc75f7) 
1import fs from 'fs/promises';
2import os from 'os';
3import path from 'path';
4
5import type { NormalizedOptions, Options } from './Fingerprint.types';
6
7export const FINGERPRINT_IGNORE_FILENAME = '.fingerprintignore';
8
9export const DEFAULT_IGNORE_PATHS = [
10  FINGERPRINT_IGNORE_FILENAME,
11  '**/android/build/**/*',
12  '**/android/app/build/**/*',
13  '**/android/app/.cxx/**/*',
14  '**/ios/Pods/**/*',
15
16  // Ignore all expo configs because we will read expo config in a HashSourceContents already
17  'app.config.ts',
18  'app.config.js',
19  'app.config.json',
20  'app.json',
21
22  // Ignore default javascript files when calling `getConfig()`
23  '**/node_modules/@babel/**/*',
24  '**/node_modules/@expo/**/*',
25  '**/node_modules/@jridgewell/**/*',
26  '**/node_modules/expo/config.js',
27  '**/node_modules/expo/config-plugins.js',
28  `**/node_modules/{${[
29    'debug',
30    'escape-string-regexp',
31    'getenv',
32    'graceful-fs',
33    'has-flag',
34    'imurmurhash',
35    'js-tokens',
36    'json5',
37    'lines-and-columns',
38    'require-from-string',
39    'resolve-from',
40    'signal-exit',
41    'sucrase',
42    'supports-color',
43    'ts-interface-checker',
44    'write-file-atomic',
45  ].join(',')}}/**/*`,
46];
47
48export async function normalizeOptionsAsync(
49  projectRoot: string,
50  options?: Options
51): Promise<NormalizedOptions> {
52  return {
53    ...options,
54    platforms: options?.platforms ?? ['android', 'ios'],
55    concurrentIoLimit: options?.concurrentIoLimit ?? os.cpus().length,
56    hashAlgorithm: options?.hashAlgorithm ?? 'sha1',
57    ignorePaths: await collectIgnorePathsAsync(projectRoot, options),
58  };
59}
60
61async function collectIgnorePathsAsync(projectRoot: string, options?: Options): Promise<string[]> {
62  const ignorePaths = [
63    ...DEFAULT_IGNORE_PATHS,
64    ...(options?.ignorePaths ?? []),
65    ...(options?.dirExcludes?.map((dirExclude) => `${dirExclude}/**/*`) ?? []),
66  ];
67
68  const fingerprintIgnorePath = path.join(projectRoot, FINGERPRINT_IGNORE_FILENAME);
69  try {
70    const fingerprintIgnore = await fs.readFile(fingerprintIgnorePath, 'utf8');
71    const fingerprintIgnoreLines = fingerprintIgnore.split('\n');
72    for (const line of fingerprintIgnoreLines) {
73      const trimmedLine = line.trim();
74      if (trimmedLine) {
75        ignorePaths.push(trimmedLine);
76      }
77    }
78  } catch {}
79
80  return ignorePaths;
81}
82