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/**
* Language ID mapping from file extensions.
*/
const extensionMap: Record<string, string> = {
".ts": "typescript",
".tsx": "typescriptreact",
".mts": "typescript",
".cts": "typescript",
".js": "javascript",
".jsx": "javascriptreact",
".mjs": "javascript",
".cjs": "javascript",
".json": "json",
".lua": "lua",
".luau": "luau",
".py": "python",
".rs": "rust",
".go": "go",
".md": "markdown",
".yaml": "yaml",
".yml": "yaml",
".toml": "toml",
".css": "css",
".html": "html",
".sh": "shellscript",
".bash": "shellscript",
".zsh": "shellscript",
".rb": "ruby",
".rbs": "ruby",
".c": "c",
".h": "c",
".cpp": "cpp",
".cc": "cpp",
".cxx": "cpp",
".hpp": "cpp",
".hxx": "cpp",
".java": "java",
".kt": "kotlin",
".swift": "swift",
".php": "php",
".cs": "csharp",
".sql": "sql",
".dockerfile": "dockerfile",
};
export function languageId(filePath: string): string {
const dotIdx = filePath.lastIndexOf(".");
if (dotIdx === -1) return "unknown";
const ext = filePath.slice(dotIdx).toLowerCase();
return extensionMap[ext] ?? "unknown";
}
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