nvim: add separate config files for most plugins

modules/programs/nvim/plugins/formatter-nvim.lua

@@ -0,0 +1,71 @@
+-- Provides the Format, FormatWrite, FormatLock, and FormatWriteLock commands
+require("formatter").setup({
+  -- Enable or disable logging
+  logging = true,
+  -- Set the log level
+  log_level = vim.log.levels.WARN,
+  -- All formatter configurations are opt-in
+  filetype = {
+    json = {
+      require("formatter.filetypes.json").jq,
+    },
+    lua = {
+      require("formatter.filetypes.lua").stylua,
+    },
+    nix = {
+      require("formatter.filetypes.nix").nixpkgs_fmt,
+    },
+    python = {
+      require("formatter.filetypes.python").black,
+    },
+    rust = {
+      require("formatter.filetypes.rust").rustfmt,
+    },
+    sh = {
+      require("formatter.filetypes.sh").shfmt,
+    },
+    toml = {
+      require("formatter.filetypes.toml").taplo,
+    },
+    yaml = {
+      require("formatter.filetypes.yaml").yamlfmt,
+    },
+
+    -- HACK to use specific formatters only when specified
+    alejandra = {
+      require("formatter.filetypes.nix").alejandra,
+    },
+    isort = {
+      require("formatter.filetypes.python").isort,
+    },
+
+    -- Use the special "*" filetype for defining formatter configurations on
+    -- any filetype
+    ["*"] = {
+      -- "formatter.filetypes.any" defines default configurations for any
+      -- filetype
+      require("formatter.filetypes.any").remove_trailing_whitespace,
+    },
+  },
+})
+
+vim.api.nvim_create_user_command("Fmt", function(opts)
+  local params = vim.split(opts.args, "%s+", { trimempty = true })
+  local filetype = vim.bo.filetype
+  vim.cmd("set filetype=" .. params[1]) -- fake filetype
+  vim.cmd(":Format")
+  vim.cmd("set filetype=" .. filetype) -- restore original filetype
+end, {
+  nargs = 1,
+  complete = function()
+    local languages = {
+      nix = { "alejandra" },
+      python = { "isort" },
+    }
+    return languages[vim.bo.filetype] or {}
+  end,
+})
+
+require("which-key").register({
+  ["="] = { "<cmd>Format<cr>", "format (formatter)" },
+}, { noremap = true, silent = true })