feat(nvim): add formatting

nvim/lua/plugins/formatting.lua

@@ -0,0 +1,45 @@
+-- Lightweight yet powerful formatter plugin for Neovim
+-- https://github.com/stevearc/conform.nvim
+return {
+  "stevearc/conform.nvim",
+  event = { "BufWritePre", "BufNewFile" },
+  keys = {
+    {
+      "<leader>mp",
+      mode = { "n", "v" },
+      function()
+        require("conform").format({
+          lsp_fallback = true,
+          async = false,
+          timeout_ms = 500,
+        })
+      end,
+      desc = "Format file or range (in visual mode)",
+    },
+  },
+  opts = {
+    formatters = {
+      eslint_d = {
+        command = "eslint_d",
+        args = { "--fix-to-stdout", "--stdin", "--stdin-filename", "$FILENAME" },
+        stdin = true,
+      },
+    },
+    formatters_by_ft = {
+      astro = { "prettier" },
+      css = { "prettier" },
+      graphql = { "prettier" },
+      html = { "prettier" },
+      javascript = { "prettier", "eslint_d" },
+      javascriptreact = { "prettier", "eslint_d" },
+      json = { "prettier" },
+      lua = { "stylua" },
+      markdown = { "prettier" },
+      svelte = { "prettier" },
+      typescript = { "prettier", "eslint_d" },
+      typescriptreact = { "prettier", "eslint_d" },
+      yaml = { "prettier" },
+      python = { "isort", "black" },
+    },
+  },
+}

nvim/lua/plugins/mason.lua

@@ -5,6 +5,7 @@ return {
   opts = {
     ensure_installed = {
       "astro-language-server",
+      "black",
       "cspell",
       "css-lsp",
       "cssmodules-language-server",
@@ -13,6 +14,7 @@ return {
       "eslint-lsp",
       "eslint_d",
       "html-lsp",
+      "isort",
       "json-lsp",
       "lua-language-server",
       "prettier",