feat(formatting): add conform.nvim & nvim-lint for linting & formatting

lua/config/plugins.lua

@@ -975,4 +975,21 @@ return {
   -- ╭─────────────────────────────────────────────────────────╮
   -- │ Format & Lint                                           │
   -- ╰─────────────────────────────────────────────────────────╯
+  {
+    "stevearc/conform.nvim",
+    event = { "BufReadPre", "BufNewFile" },
+    config = function()
+      require('plugins.formatting')
+    end,
+  },
+  {
+    "mfussenegger/nvim-lint",
+    event = {
+      "BufReadPre",
+      "BufNewFile",
+    },
+    config = function()
+      require('plugins.linting')
+    end,
+  },
 }

lua/plugins/formatting.lua

@@ -0,0 +1,49 @@
+local conform = require("conform")
+
+conform.setup({
+  formatters_by_ft = {
+    css = { { "prettied", "prettier" } },
+    graphql = { { "prettied", "prettier" } },
+    html = { { "prettied", "prettier" } },
+    javascript = { { "prettied", "prettier" } },
+    javascriptreact = { { "prettied", "prettier" } },
+    json = { { "prettied", "prettier" } },
+    lua = { "stylua" },
+    markdown = { { "prettied", "prettier" } },
+    python = { "isort", "black" },
+    sql = { "sql-formatter" },
+    svelte = { { "prettied", "prettier" } },
+    typescript = { { "prettied", "prettier" } },
+    typescriptreact = { { "prettied", "prettier" } },
+    yaml = { "prettier" },
+  },
+})
+
+vim.keymap.set({ "n" }, "<leader>f", function()
+  conform.format({
+    lsp_fallback = true,
+    async = false,
+    timeout_ms = 500,
+  })
+end, { desc = "format file" })
+
+vim.keymap.set({ "v" }, "<leader>f", function()
+  conform.format({
+    lsp_fallback = true,
+    async = false,
+    timeout_ms = 500,
+  })
+end, { desc = "format selection" })
+
+vim.api.nvim_create_user_command("Format", function(args)
+  local range = nil
+  if args.count ~= -1 then
+    local end_line = vim.api.nvim_buf_get_lines(0, args.line2 - 1, args.line2, true)[1]
+    range = {
+      start = { args.line1, 0 },
+      ["end"] = { args.line2, end_line:len() },
+    }
+  end
+
+  conform.format({ async = true, lsp_fallback = true, range = range })
+end, { range = true })

lua/plugins/linting.lua

@@ -0,0 +1,14 @@
+local lint = require("lint")
+
+lint.linters_by_ft = {
+  javascript = { "eslint_d" },
+  typescript = { "eslint_d" },
+  javascriptreact = { "eslint_d" },
+  typescriptreact = { "eslint_d" },
+  svelte = { "eslint_d" },
+  python = { "pylint" },
+}
+
+vim.keymap.set("n", "<leader>l", function()
+  lint.try_lint()
+end, { desc = "lint file" })