oppi.li
source dump of claude code
1import { basename, extname, posix, sep } from 'path'
2
3/**
4 * File patterns that should be excluded from attribution.
5 * Based on GitHub Linguist vendored patterns and common generated file patterns.
6 */
7
8// Exact file name matches (case-insensitive)
9const EXCLUDED_FILENAMES = new Set([
10 'package-lock.json',
11 'yarn.lock',
12 'pnpm-lock.yaml',
13 'bun.lockb',
14 'bun.lock',
15 'composer.lock',
16 'gemfile.lock',
17 'cargo.lock',
18 'poetry.lock',
19 'pipfile.lock',
20 'shrinkwrap.json',
21 'npm-shrinkwrap.json',
22])
23
24// File extension patterns (case-insensitive)
25const EXCLUDED_EXTENSIONS = new Set([
26 '.lock',
27 '.min.js',
28 '.min.css',
29 '.min.html',
30 '.bundle.js',
31 '.bundle.css',
32 '.generated.ts',
33 '.generated.js',
34 '.d.ts', // TypeScript declaration files
35])
36
37// Directory patterns that indicate generated/vendored content
38const EXCLUDED_DIRECTORIES = [
39 '/dist/',
40 '/build/',
41 '/out/',
42 '/output/',
43 '/node_modules/',
44 '/vendor/',
45 '/vendored/',
46 '/third_party/',
47 '/third-party/',
48 '/external/',
49 '/.next/',
50 '/.nuxt/',
51 '/.svelte-kit/',
52 '/coverage/',
53 '/__pycache__/',
54 '/.tox/',
55 '/venv/',
56 '/.venv/',
57 '/target/release/',
58 '/target/debug/',
59]
60
61// Filename patterns using regex for more complex matching
62const EXCLUDED_FILENAME_PATTERNS = [
63 /^.*\.min\.[a-z]+$/i, // *.min.*
64 /^.*-min\.[a-z]+$/i, // *-min.*
65 /^.*\.bundle\.[a-z]+$/i, // *.bundle.*
66 /^.*\.generated\.[a-z]+$/i, // *.generated.*
67 /^.*\.gen\.[a-z]+$/i, // *.gen.*
68 /^.*\.auto\.[a-z]+$/i, // *.auto.*
69 /^.*_generated\.[a-z]+$/i, // *_generated.*
70 /^.*_gen\.[a-z]+$/i, // *_gen.*
71 /^.*\.pb\.(go|js|ts|py|rb)$/i, // Protocol buffer generated files
72 /^.*_pb2?\.py$/i, // Python protobuf files
73 /^.*\.pb\.h$/i, // C++ protobuf headers
74 /^.*\.grpc\.[a-z]+$/i, // gRPC generated files
75 /^.*\.swagger\.[a-z]+$/i, // Swagger generated files
76 /^.*\.openapi\.[a-z]+$/i, // OpenAPI generated files
77]
78
79/**
80 * Check if a file should be excluded from attribution based on Linguist-style rules.
81 *
82 * @param filePath - Relative file path from repository root
83 * @returns true if the file should be excluded from attribution
84 */
85export function isGeneratedFile(filePath: string): boolean {
86 // Normalize path separators for consistent pattern matching (patterns use posix-style /)
87 const normalizedPath =
88 posix.sep + filePath.split(sep).join(posix.sep).replace(/^\/+/, '')
89 const fileName = basename(filePath).toLowerCase()
90 const ext = extname(filePath).toLowerCase()
91
92 // Check exact filename matches
93 if (EXCLUDED_FILENAMES.has(fileName)) {
94 return true
95 }
96
97 // Check extension matches
98 if (EXCLUDED_EXTENSIONS.has(ext)) {
99 return true
100 }
101
102 // Check for compound extensions like .min.js
103 const parts = fileName.split('.')
104 if (parts.length > 2) {
105 const compoundExt = '.' + parts.slice(-2).join('.')
106 if (EXCLUDED_EXTENSIONS.has(compoundExt)) {
107 return true
108 }
109 }
110
111 // Check directory patterns
112 for (const dir of EXCLUDED_DIRECTORIES) {
113 if (normalizedPath.includes(dir)) {
114 return true
115 }
116 }
117
118 // Check filename patterns
119 for (const pattern of EXCLUDED_FILENAME_PATTERNS) {
120 if (pattern.test(fileName)) {
121 return true
122 }
123 }
124
125 return false
126}
127
128/**
129 * Filter a list of files to exclude generated files.
130 *
131 * @param files - Array of file paths
132 * @returns Array of files that are not generated
133 */
134export function filterGeneratedFiles(files: string[]): string[] {
135 return files.filter(file => !isGeneratedFile(file))
136}