diff --git a/lua/nonicons/resolve.lua b/lua/nonicons/resolve.lua
new file mode 100644
index 0000000..97f8738
--- /dev/null
+++ b/lua/nonicons/resolve.lua
@@ -0,0 +1,469 @@
+local M = {}
+
+M.ext_map = {
+  lua = 'lua',
+  luac = 'lua',
+  luau = 'lua',
+
+  js = 'javascript',
+  cjs = 'javascript',
+  mjs = 'javascript',
+  jsx = 'react',
+  tsx = 'react',
+
+  ts = 'typescript',
+  cts = 'typescript',
+  mts = 'typescript',
+  ['d.ts'] = 'typescript',
+
+  py = 'python',
+  pyc = 'python',
+  pyd = 'python',
+  pyi = 'python',
+  pyo = 'python',
+  pyw = 'python',
+  pyx = 'python',
+
+  rb = 'ruby',
+  rake = 'ruby',
+  gemspec = 'ruby',
+
+  rs = 'rust',
+  rlib = 'rust',
+
+  go = 'go',
+
+  c = 'c',
+  h = 'c',
+
+  cpp = 'c-plusplus',
+  cc = 'c-plusplus',
+  cxx = 'c-plusplus',
+  ['c++'] = 'c-plusplus',
+  cp = 'c-plusplus',
+  cppm = 'c-plusplus',
+  cxxm = 'c-plusplus',
+  mpp = 'c-plusplus',
+  hh = 'c-plusplus',
+  hpp = 'c-plusplus',
+  hxx = 'c-plusplus',
+  ixx = 'c-plusplus',
+  mm = 'c-plusplus',
+
+  cs = 'c-sharp',
+  cshtml = 'c-sharp',
+  csproj = 'c-sharp',
+
+  java = 'java',
+  jar = 'java',
+
+  kt = 'kotlin',
+  kts = 'kotlin',
+
+  swift = 'swift',
+
+  dart = 'dart',
+
+  elm = 'elm',
+
+  ex = 'elixir',
+  exs = 'elixir',
+  eex = 'elixir',
+  heex = 'elixir',
+  leex = 'elixir',
+
+  vue = 'vue',
+
+  svelte = 'svelte',
+
+  html = 'html',
+  htm = 'html',
+
+  css = 'css',
+  scss = 'css',
+  sass = 'css',
+  less = 'css',
+  styl = 'css',
+
+  json = 'json',
+  json5 = 'json',
+  jsonc = 'json',
+  cson = 'json',
+
+  yaml = 'yaml',
+  yml = 'yaml',
+
+  toml = 'toml',
+
+  md = 'markdown',
+  markdown = 'markdown',
+  mdx = 'markdown',
+
+  php = 'php',
+  ['blade.php'] = 'php',
+
+  pl = 'perl',
+  pm = 'perl',
+
+  r = 'r',
+  R = 'r',
+  rmd = 'r',
+
+  scala = 'scala',
+  sc = 'scala',
+  sbt = 'scala',
+
+  vim = 'vim',
+
+  graphql = 'graphql',
+  gql = 'graphql',
+
+  tf = 'terraform',
+  tfvars = 'terraform',
+
+  Dockerfile = 'docker',
+  dockerignore = 'docker',
+
+  angular = 'angular',
+
+  sh = 'terminal',
+  bash = 'terminal',
+  zsh = 'terminal',
+  fish = 'terminal',
+  ksh = 'terminal',
+  csh = 'terminal',
+  terminal = 'terminal',
+  ps1 = 'terminal',
+
+  nix = 'code',
+
+  sql = 'database',
+  sqlite = 'database',
+  sqlite3 = 'database',
+  db = 'database',
+  dump = 'database',
+
+  rss = 'rss',
+  tmux = 'tmux',
+  nginx = 'nginx',
+
+  diff = 'diff',
+  patch = 'diff',
+
+  lock = 'lock',
+  lck = 'lock',
+
+  conf = 'gear',
+  cfg = 'gear',
+  ini = 'gear',
+  env = 'key',
+
+  git = 'git-branch',
+
+  license = 'law',
+
+  log = 'log',
+
+  xml = 'code',
+  xslt = 'code',
+
+  tex = 'book',
+  bib = 'book',
+
+  png = 'image',
+  jpg = 'image',
+  jpeg = 'image',
+  gif = 'image',
+  bmp = 'image',
+  ico = 'image',
+  webp = 'image',
+  avif = 'image',
+  svg = 'image',
+  tiff = 'image',
+  jxl = 'image',
+
+  zip = 'file-zip',
+  gz = 'file-zip',
+  tgz = 'file-zip',
+  ['7z'] = 'file-zip',
+  rar = 'file-zip',
+  bz = 'file-zip',
+  bz2 = 'file-zip',
+  bz3 = 'file-zip',
+  xz = 'file-zip',
+  zst = 'file-zip',
+  txz = 'file-zip',
+  tar = 'file-zip',
+
+  bin = 'file-binary',
+  exe = 'file-binary',
+  dll = 'file-binary',
+  so = 'file-binary',
+  o = 'file-binary',
+  a = 'file-binary',
+  elf = 'file-binary',
+  ko = 'file-binary',
+  lib = 'file-binary',
+  out = 'file-binary',
+
+  mp3 = 'play',
+  mp4 = 'play',
+  mkv = 'play',
+  mov = 'play',
+  avi = 'play',
+  flac = 'play',
+  ogg = 'play',
+  wav = 'play',
+  webm = 'play',
+  aac = 'play',
+  m4a = 'play',
+  m4v = 'play',
+  ogv = 'play',
+  wma = 'play',
+  wmv = 'play',
+
+  ttf = 'typography',
+  otf = 'typography',
+  woff = 'typography',
+  woff2 = 'typography',
+  eot = 'typography',
+
+  pdf = 'file',
+  doc = 'file',
+  docx = 'file',
+  ppt = 'file',
+  pptx = 'file',
+  xls = 'file',
+  xlsx = 'file',
+  csv = 'file',
+  txt = 'file',
+
+  erl = 'code',
+  hrl = 'code',
+  hs = 'code',
+  lhs = 'code',
+  ml = 'code',
+  mli = 'code',
+  clj = 'code',
+  cljs = 'code',
+  cljc = 'code',
+  edn = 'code',
+  fnl = 'code',
+  el = 'code',
+  elc = 'code',
+  eln = 'code',
+  nim = 'code',
+  zig = 'code',
+  odin = 'code',
+  gleam = 'code',
+  cr = 'code',
+  jl = 'code',
+  nu = 'code',
+  pro = 'code',
+  scm = 'code',
+  rkt = 'code',
+  sol = 'code',
+  wasm = 'code',
+  ipynb = 'code',
+  gradle = 'code',
+  groovy = 'code',
+  ino = 'code',
+  prisma = 'code',
+  astro = 'code',
+  hx = 'code',
+  d = 'code',
+  ada = 'code',
+  adb = 'code',
+  ads = 'code',
+  f90 = 'code',
+  vala = 'code',
+  v = 'code',
+  vh = 'code',
+  vhd = 'code',
+  vhdl = 'code',
+  sv = 'code',
+  svh = 'code',
+  mo = 'code',
+  mojo = 'code',
+}
+
+M.filename_map = {
+  ['dockerfile'] = 'docker',
+  ['containerfile'] = 'docker',
+  ['docker-compose.yml'] = 'docker',
+  ['docker-compose.yaml'] = 'docker',
+  ['compose.yml'] = 'docker',
+  ['compose.yaml'] = 'docker',
+  ['.dockerignore'] = 'docker',
+
+  ['.gitignore'] = 'git-branch',
+  ['.gitconfig'] = 'git-branch',
+  ['.gitattributes'] = 'git-branch',
+  ['.gitmodules'] = 'git-branch',
+  ['.git-blame-ignore-revs'] = 'git-branch',
+  ['.mailmap'] = 'git-branch',
+  ['commit_editmsg'] = 'git-commit',
+
+  ['.bashrc'] = 'terminal',
+  ['.bash_profile'] = 'terminal',
+  ['.zshrc'] = 'terminal',
+  ['.zshenv'] = 'terminal',
+  ['.zprofile'] = 'terminal',
+  ['makefile'] = 'terminal',
+  ['gnumakefile'] = 'terminal',
+  ['.justfile'] = 'terminal',
+  ['justfile'] = 'terminal',
+
+  ['.eslintrc'] = 'eslint',
+  ['.eslintignore'] = 'eslint',
+  ['eslint.config.js'] = 'eslint',
+  ['eslint.config.cjs'] = 'eslint',
+  ['eslint.config.mjs'] = 'eslint',
+  ['eslint.config.ts'] = 'eslint',
+
+  ['.prettierrc'] = 'prettier',
+  ['.prettierignore'] = 'prettier',
+  ['.prettierrc.js'] = 'prettier',
+  ['.prettierrc.cjs'] = 'prettier',
+  ['.prettierrc.mjs'] = 'prettier',
+  ['.prettierrc.json'] = 'prettier',
+  ['.prettierrc.json5'] = 'prettier',
+  ['.prettierrc.toml'] = 'prettier',
+  ['.prettierrc.yaml'] = 'prettier',
+  ['.prettierrc.yml'] = 'prettier',
+  ['prettier.config.js'] = 'prettier',
+  ['prettier.config.cjs'] = 'prettier',
+  ['prettier.config.mjs'] = 'prettier',
+  ['prettier.config.ts'] = 'prettier',
+
+  ['.babelrc'] = 'babel',
+
+  ['package.json'] = 'npm',
+  ['package-lock.json'] = 'npm',
+  ['.npmrc'] = 'npm',
+  ['.npmignore'] = 'npm',
+
+  ['pnpm-lock.yaml'] = 'yarn',
+  ['pnpm-workspace.yaml'] = 'package',
+  ['.pnpmfile.cjs'] = 'npm',
+  ['bun.lock'] = 'package',
+  ['bun.lockb'] = 'package',
+
+  ['tsconfig.json'] = 'typescript',
+
+  ['license'] = 'law',
+  ['license.md'] = 'law',
+  ['copying'] = 'law',
+  ['copying.lesser'] = 'law',
+  ['unlicense'] = 'law',
+
+  ['tmux.conf'] = 'tmux',
+  ['tmux.conf.local'] = 'tmux',
+
+  ['readme'] = 'book',
+  ['readme.md'] = 'book',
+
+  ['go.mod'] = 'go',
+  ['go.sum'] = 'go',
+  ['go.work'] = 'go',
+
+  ['.vimrc'] = 'vim',
+  ['.gvimrc'] = 'vim',
+  ['_vimrc'] = 'vim',
+  ['_gvimrc'] = 'vim',
+
+  ['next.config.js'] = 'next',
+  ['next.config.cjs'] = 'next',
+  ['next.config.ts'] = 'next',
+
+  ['svelte.config.js'] = 'svelte',
+
+  ['mix.lock'] = 'elixir',
+
+  ['.env'] = 'key',
+
+  ['config'] = 'gear',
+  ['.editorconfig'] = 'gear',
+
+  ['procfile'] = 'server',
+
+  ['gemfile'] = 'ruby',
+  ['rakefile'] = 'ruby',
+
+  ['jenkinsfile'] = 'gear',
+
+  ['.gitlab-ci.yml'] = 'logo-github',
+
+  ['security'] = 'shield',
+  ['security.md'] = 'shield',
+
+  ['robots.txt'] = 'globe',
+
+  ['vite.config.js'] = 'code',
+  ['vite.config.ts'] = 'code',
+  ['vite.config.cjs'] = 'code',
+  ['vite.config.cts'] = 'code',
+  ['vite.config.mjs'] = 'code',
+  ['vite.config.mts'] = 'code',
+
+  ['build.gradle'] = 'code',
+  ['settings.gradle'] = 'code',
+
+  ['pom.xml'] = 'code',
+
+  ['hyprland.conf'] = 'gear',
+  ['hyprlock.conf'] = 'gear',
+  ['hypridle.conf'] = 'gear',
+  ['hyprpaper.conf'] = 'gear',
+
+  ['cmakelists.txt'] = 'code',
+  ['code_of_conduct'] = 'book',
+  ['code_of_conduct.md'] = 'book',
+}
+
+M.ft_map = {
+  typescriptreact = 'react',
+  javascriptreact = 'react',
+  make = 'terminal',
+  dockerfile = 'docker',
+  gitcommit = 'git-commit',
+  gitrebase = 'git-branch',
+  help = 'book',
+  text = 'file',
+  plaintex = 'book',
+  latex = 'book',
+}
+
+function M.resolve_name(name, ext)
+  if ext and M.ext_map[ext] then
+    return M.ext_map[ext]
+  end
+  if name then
+    local lower = name:lower()
+    if M.filename_map[lower] then
+      return M.filename_map[lower]
+    end
+    local dot_ext = lower:match('%.(.+)$')
+    if dot_ext and M.ext_map[dot_ext] then
+      return M.ext_map[dot_ext]
+    end
+  end
+end
+
+function M.resolve_filetype(ft)
+  if not ft then
+    return
+  end
+  local mapping = require('nonicons.mapping')
+  if mapping[ft] then
+    return ft
+  end
+  if M.ext_map[ft] then
+    return M.ext_map[ft]
+  end
+  if M.ft_map[ft] then
+    return M.ft_map[ft]
+  end
+end
+
+return M