{ config
, pkgs
, ...
}:
{
  home.packages =
    (with pkgs; [
      pnpm-shell-completion
      bunyan-rs
    ])
    ++ (with pkgs.nodePackages; [
      node2nix
      nodemon
      javascript-typescript-langserver
      typescript-language-server
      eslint_d
      typescript
      pnpm
      npm-merge-driver
    ]);

  home.sessionVariables = {
    NO_UPDATE_NOTIFIER = "1"; # stop npm update-notifier
  };

  programs.bun = {
    enable = true;
    settings = {
      run = {
        bun = true;
        silent = true;
      };
    };
  };

  programs.emacs.extraPackages = epkgs: (with epkgs; [
    add-node-modules-path
    js2-mode
    rjsx-mode
    tide
    typescript-mode
  ]);

  home.shellAliases = {
    ava = "bunx ava";
    avt = "bunx ava --tap";
    avat = "bunx ava --tap";
    avaw = "bunx ava --watch";
    avaf = "bunx ava --fail-fast";
    avafw = "bunx ava --fail-fast --watch";
    avawf = "bunx ava --fail-fast --watch";
    pino = "bunyan";
    mocha = "bunx mocha";
    standard = "bunx standard";
    tsc = "bunx tsc";
    tslint = "bunx tslint";
    tsnode = "bunx ts-node";

    p = "pnpm";
    pi = "pnpm install --filter=.";
    pit = "pnpm install-test --filter=.";
    pl = "pnpm ls";
    pr = "pnpm run";
    pb = "pnpm run build";
    prb = "pnpm run build";
    pbd = "pnpm multi run build --filter={.}...";
    pmi = "pnpm multi install";
    pmx = "pnpm multi exec "; # expand command aliases
    pmr = "pnpm multi run";
    pa = "pnpm add";
    pad = "pnpm add --save-dev";
    pd = "pnpm uninstall";
    pou = "pnpm outdated";
    pt = "pnpm test";
    pmt = "pnpm multi test";
    pmd = "pnpm multi uninstall";
    pmit = "pnpm multi install-test";
    pup = "pnpm update";
    pupl = "pnpm update --latest";
    ppr = "pnpm prune";
    pprp = "pnpm prune --production";
    pli = "pnpm link";
    pdi = "pnpm dislink";
    pul = "pnpm unlink";
    px = "pnpx";

    bn = "bun";
    bni = "bun install";
    bna = "bun add";
    bnad = "bun add --dev";
    bnr = "bun run";
    bnu = "bun update";
    bnrm = "bun remove";
    bnd = "bun dev";
    bnp = "bun pm";
    bnl = "bun pm ls";
    bnt = "bun test";
    bntw = "bun test --watch";
    bnx = "bunx";

    np = "npm";
    npi = "npm install";
    npl = "npm ls";
    npr = "npm run";
    npb = "npm run build";
    nprb = "npm run build";
    npa = "npm install --save";
    npad = "npm install --save-dev";
    npd = "npm uninstall";
    npt = "npm test";
    npup = "npm update";
    nppr = "npm prune";
    npprp = "npm prune --production";
    npli = "npm link";
    npul = "npm unlink";
  };

  programs.git.attributes = [
    "*.lockb diff=lockb"
  ];
  programs.git.extraConfig."diff.lockb" = {
    textconv = "bun";
    binary = true;
  };

  xdg.configFile.".bunfig.toml".text = ''
    [install.cache]
    dir = "${config.xdg.cacheHome}/bun/"
  '';
  xdg.configFile."npm/config".text = ''
    prefix=''${HOME}/.local
    cache=${config.xdg.cacheHome}/npm/
    store-dir=${config.xdg.cacheHome}/pnpm/
    always-auth=true
    sign-git-tag=true
    rebuild-bundle=false
    update-notifier=false
    registry=https://registry.npmjs.org/
    @jsr:registry=https://npm.jsr.io
  '';
}