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264 changes: 1 addition & 263 deletions chunker.go
Original file line number Diff line number Diff line change
Expand Up @@ -761,266 +761,4 @@ func symbolReForLang(lang string) *regexp.Regexp {
}
}

// extensionLanguageMap maps file extensions to language names.
var extensionLanguageMap = map[string]string{
// Go
".go": "go",
// Python
".py": "python",
".pyw": "python",
// TypeScript / JavaScript
".ts": "typescript",
".tsx": "tsx",
".js": "javascript",
".jsx": "jsx",
// Rust
".rs": "rust",
// Java
".java": "java",
// Ruby
".rb": "ruby",
// PHP
".php": "php",
// C
".c": "c",
".h": "c",
// C++
".cpp": "cpp",
".cc": "cpp",
".cxx": "cpp",
".hpp": "cpp",
// C#
".cs": "csharp",
// Kotlin
".kt": "kotlin",
".kts": "kotlin",
// Swift
".swift": "swift",
// Dart
".dart": "dart",
// Shell
".sh": "bash",
".bash": "bash",
// SQL
".sql": "sql",
// HTML
".html": "html",
".htm": "html",
// CSS
".css": "css",
// Vue
".vue": "vue",
// Zig
".zig": "zig",
// Elixir
".ex": "elixir",
".exs": "elixir",
// Scala
".scala": "scala",
// Lua
".lua": "lua",
// R
".r": "r",
".R": "r",
// Markdown
".md": "markdown",
// Objective-C / Objective-C++
".m": "objective-c",
".mm": "objective-cpp",
// Perl
".pl": "perl",
".pm": "perl",
// Haskell
".hs": "haskell",
".lhs": "haskell",
// Erlang
".erl": "erlang",
".hrl": "erlang",
// Clojure
".clj": "clojure",
".cljs": "clojure",
// F#
".fs": "fsharp",
".fsx": "fsharp",
// OCaml
".ml": "ocaml",
".mli": "ocaml",
// Julia
".jl": "julia",
// Nim
".nim": "nim",
// Crystal
".cr": "crystal",
// V
".v": "v",
// VHDL
".vhdl": "vhdl",
// Solidity
".sol": "solidity",
// Protobuf
".proto": "protobuf",
// GraphQL
".graphql": "graphql",
".gql": "graphql",
// Terraform / HCL
".tf": "terraform",
".hcl": "hcl",
// CMake
".cmake": "cmake",
// Gradle
".gradle": "gradle",
// Groovy
".groovy": "groovy",
// PowerShell
".ps1": "powershell",
".psm1": "powershell",
// Batch
".bat": "batch",
".cmd": "batch",
// Fish
".fish": "fish",
// Vim
".vim": "vim",
// Emacs Lisp
".el": "elisp",
// Racket
".rkt": "racket",
// Pascal
".pas": "pascal",
// D
".d": "d",
// Ada
".ada": "ada",
".adb": "ada",
// Fortran
".f90": "fortran",
".f95": "fortran",
// COBOL
".cob": "cobol",
// Svelte
".svelte": "svelte",
// Astro
".astro": "astro",
// Prisma
".prisma": "prisma",
// dotenv
".env": "dotenv",
// INI / Config
".ini": "ini",
".cfg": "ini",
// Config files
".conf": "conf",
// Nginx
".nginx": "nginx",
// Dockerfile
".dockerfile": "dockerfile",
".containerfile": "dockerfile",
// Nix
".nix": "nix",
// Dhall
".dhall": "dhall",
// Jsonnet
".jsonnet": "jsonnet",
// Starlark
".starlark": "starlark",
".bzl": "starlark",
// WebAssembly
".wasm": "wasm",
".wat": "wat",
// YAML
".yaml": "yaml",
".yml": "yaml",
// JSON
".json": "json",
// TOML
".toml": "toml",
// XML
".xml": "xml",
// SCSS / SASS / LESS
".scss": "scss",
".sass": "sass",
".less": "less",
// CoffeeScript
".coffee": "coffeescript",
// Elm
".elm": "elm",
// PureScript
".purs": "purescript",
// Assembly
".asm": "assembly",
".s": "assembly",
// Makefile
".mk": "makefile",
// Diff / Patch
".diff": "diff",
".patch": "diff",
// LaTeX
".tex": "latex",
// reStructuredText
".rst": "rst",
// Org-mode
".org": "org",
// CSV / TSV
".csv": "csv",
".tsv": "tsv",
// Dockerfile special
".Dockerfile": "dockerfile",
// Scheme
".scm": "scheme",
// Common Lisp
".lisp": "commonlisp",
".cl": "commonlisp",
// Prolog
".pro": "prolog",
// Tcl
".tcl": "tcl",
// R Markdown
".rmd": "rmarkdown",
// Jupyter
".ipynb": "jupyter",
// Terraform vars
".tfvars": "terraform",
// Protocol Buffers
".pb": "protobuf",
// Thrift
".thrift": "thrift",
// Avro
".avsc": "avro",
// GLSL / HLSL
".glsl": "glsl",
".hlsl": "hlsl",
// Cuda
".cu": "cuda",
".cuh": "cuda",
// CMakeLists
".cmake.in": "cmake",
// Vagrant
".vagrantfile": "ruby",
// Puppet
".pp": "puppet",
// Chef
".erb": "erb",
// Ansible
".j2": "jinja2",
// Svelte
".svx": "svelte",
// MDX
".mdx": "mdx",
}

// DetectLanguageByExtension returns the programming language name for a file
// path based on its extension. Returns "" for unknown extensions.
func DetectLanguageByExtension(path string) string {
ext := filepath.Ext(path)
if ext == "" {
return ""
}
if lang, ok := extensionLanguageMap[ext]; ok {
return lang
}
// Try lowercase for case-insensitive matching (except .R which is special)
if lang, ok := extensionLanguageMap[strings.ToLower(ext)]; ok {
return lang
}
return ""
}
// extensionLanguageMap and DetectLanguageByExtension moved to chunker_extensions.go.
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