Ignore generic metadata files in counts

src/file-filter.ts

@@ -0,0 +1,57 @@
+import path from "node:path";
+
+const ignoredFileNames = new Set([
+  ".editorconfig",
+  ".gitattributes",
+  ".gitignore",
+  ".gitmodules",
+  ".npmrc",
+  ".nvmrc",
+  ".prettierignore",
+  ".prettierrc",
+  ".prettierrc.json",
+  ".yarnrc",
+  ".yarnrc.yml",
+  "bun.lock",
+  "bun.lockb",
+  "cargo.lock",
+  "composer.json",
+  "composer.lock",
+  "deno.json",
+  "deno.lock",
+  "docker-compose.yaml",
+  "docker-compose.yml",
+  "eslint.config.js",
+  "eslint.config.mjs",
+  "global.json",
+  "go.mod",
+  "go.sum",
+  "gradle.properties",
+  "makefile",
+  "package-lock.json",
+  "package.json",
+  "pnpm-lock.yaml",
+  "poetry.lock",
+  "pom.xml",
+  "requirements.txt",
+  "rollup.config.js",
+  "rollup.config.mjs",
+  "settings.gradle",
+  "settings.gradle.kts",
+  "tsconfig.base.json",
+  "tsconfig.build.json",
+  "tsconfig.json",
+  "tsconfig.node.json",
+  "turbo.json",
+  "vite.config.js",
+  "vite.config.mjs",
+  "vite.config.ts",
+  "webpack.config.js",
+  "webpack.config.ts",
+  "yarn.lock"
+]);
+
+export function shouldIgnoreCountFile(filePath: string): boolean {
+  const fileName = path.basename(filePath).toLowerCase();
+  return ignoredFileNames.has(fileName);
+}

src/services/repo-counter.ts

@@ -5,6 +5,7 @@ import path from "node:path";
 
 import type { RuntimeConfig } from "../config.js";
 import { HttpError } from "../errors.js";
+import { shouldIgnoreCountFile } from "../file-filter.js";
 import { detectLanguage } from "../language.js";
 import { Semaphore } from "../lib/semaphore.js";
 import type { CountRequest, CountResult, LanguageStat } from "../types.js";
@@ -183,6 +184,10 @@ async function countDirectory(rootDir: string): Promise<{
         continue;
       }
 
+      if (shouldIgnoreCountFile(fullPath)) {
+        continue;
+      }
+
       const lines = await countFileLines(fullPath);
       const language = detectLanguage(fullPath);
       const current = languages.get(language) ?? { language, files: 0, lines: 0 };