chore: initialize recovered claude workspace

src/utils/generatedFiles.ts

@@ -0,0 +1,136 @@
+import { basename, extname, posix, sep } from 'path'
+
+/**
+ * File patterns that should be excluded from attribution.
+ * Based on GitHub Linguist vendored patterns and common generated file patterns.
+ */
+
+// Exact file name matches (case-insensitive)
+const EXCLUDED_FILENAMES = new Set([
+  'package-lock.json',
+  'yarn.lock',
+  'pnpm-lock.yaml',
+  'bun.lockb',
+  'bun.lock',
+  'composer.lock',
+  'gemfile.lock',
+  'cargo.lock',
+  'poetry.lock',
+  'pipfile.lock',
+  'shrinkwrap.json',
+  'npm-shrinkwrap.json',
+])
+
+// File extension patterns (case-insensitive)
+const EXCLUDED_EXTENSIONS = new Set([
+  '.lock',
+  '.min.js',
+  '.min.css',
+  '.min.html',
+  '.bundle.js',
+  '.bundle.css',
+  '.generated.ts',
+  '.generated.js',
+  '.d.ts', // TypeScript declaration files
+])
+
+// Directory patterns that indicate generated/vendored content
+const EXCLUDED_DIRECTORIES = [
+  '/dist/',
+  '/build/',
+  '/out/',
+  '/output/',
+  '/node_modules/',
+  '/vendor/',
+  '/vendored/',
+  '/third_party/',
+  '/third-party/',
+  '/external/',
+  '/.next/',
+  '/.nuxt/',
+  '/.svelte-kit/',
+  '/coverage/',
+  '/__pycache__/',
+  '/.tox/',
+  '/venv/',
+  '/.venv/',
+  '/target/release/',
+  '/target/debug/',
+]
+
+// Filename patterns using regex for more complex matching
+const EXCLUDED_FILENAME_PATTERNS = [
+  /^.*\.min\.[a-z]+$/i, // *.min.*
+  /^.*-min\.[a-z]+$/i, // *-min.*
+  /^.*\.bundle\.[a-z]+$/i, // *.bundle.*
+  /^.*\.generated\.[a-z]+$/i, // *.generated.*
+  /^.*\.gen\.[a-z]+$/i, // *.gen.*
+  /^.*\.auto\.[a-z]+$/i, // *.auto.*
+  /^.*_generated\.[a-z]+$/i, // *_generated.*
+  /^.*_gen\.[a-z]+$/i, // *_gen.*
+  /^.*\.pb\.(go|js|ts|py|rb)$/i, // Protocol buffer generated files
+  /^.*_pb2?\.py$/i, // Python protobuf files
+  /^.*\.pb\.h$/i, // C++ protobuf headers
+  /^.*\.grpc\.[a-z]+$/i, // gRPC generated files
+  /^.*\.swagger\.[a-z]+$/i, // Swagger generated files
+  /^.*\.openapi\.[a-z]+$/i, // OpenAPI generated files
+]
+
+/**
+ * Check if a file should be excluded from attribution based on Linguist-style rules.
+ *
+ * @param filePath - Relative file path from repository root
+ * @returns true if the file should be excluded from attribution
+ */
+export function isGeneratedFile(filePath: string): boolean {
+  // Normalize path separators for consistent pattern matching (patterns use posix-style /)
+  const normalizedPath =
+    posix.sep + filePath.split(sep).join(posix.sep).replace(/^\/+/, '')
+  const fileName = basename(filePath).toLowerCase()
+  const ext = extname(filePath).toLowerCase()
+
+  // Check exact filename matches
+  if (EXCLUDED_FILENAMES.has(fileName)) {
+    return true
+  }
+
+  // Check extension matches
+  if (EXCLUDED_EXTENSIONS.has(ext)) {
+    return true
+  }
+
+  // Check for compound extensions like .min.js
+  const parts = fileName.split('.')
+  if (parts.length > 2) {
+    const compoundExt = '.' + parts.slice(-2).join('.')
+    if (EXCLUDED_EXTENSIONS.has(compoundExt)) {
+      return true
+    }
+  }
+
+  // Check directory patterns
+  for (const dir of EXCLUDED_DIRECTORIES) {
+    if (normalizedPath.includes(dir)) {
+      return true
+    }
+  }
+
+  // Check filename patterns
+  for (const pattern of EXCLUDED_FILENAME_PATTERNS) {
+    if (pattern.test(fileName)) {
+      return true
+    }
+  }
+
+  return false
+}
+
+/**
+ * Filter a list of files to exclude generated files.
+ *
+ * @param files - Array of file paths
+ * @returns Array of files that are not generated
+ */
+export function filterGeneratedFiles(files: string[]): string[] {
+  return files.filter(file => !isGeneratedFile(file))
+}