feat(pack): add biome (#1511)

* feat(pack): add biome

* docs: add complete list over supported langs , fully and partially supported ones

Co-authored-by: Copilot <[email protected]>

* refactor: move filetype table to the opts function that uses it

* chore: remove unused option

---------

Co-authored-by: Uzair Aftab <[email protected]>
Co-authored-by: Copilot <[email protected]>

Author: 3 people

lua/astrocommunity/pack/biome/README.md

@@ -0,0 +1,16 @@
+# Biome
+
+[Biome](https://biomejs.dev) is a fast toolchain for web projects, providing formatting and linting via CLI and LSP.
+
+## Features
+
+- **Formatter**
+
+  - Supports JavaScript, TypeScript, JSX, TSX, JSON, JSONC, CSS, GraphQL, Astro, Svelte, and Vue
+  - 97% compatibility with Prettier
+  - Can format malformed code as you write
+
+- **Linter**
+  - Covers JavaScript, TypeScript, JSX, CSS, GraphQL, Astro, Svelte, Vue, and JSONC
+  - Includes 293 rules from ESLint, TypeScript ESLint, and more
+  - Outputs detailed, contextual diagnostics to help improve your code

lua/astrocommunity/pack/biome/init.lua

@@ -0,0 +1,50 @@
+---@type LazySpec
+return {
+  {
+    "williamboman/mason-lspconfig.nvim",
+    opts = function(_, opts)
+      opts.ensure_installed = require("astrocore").list_insert_unique(opts.ensure_installed, { "biome" })
+    end,
+  },
+  {
+    "WhoIsSethDaniel/mason-tool-installer.nvim",
+    optional = true,
+    opts = function(_, opts)
+      opts.ensure_installed = require("astrocore").list_insert_unique(opts.ensure_installed, { "biome" })
+    end,
+  },
+  {
+    "jay-babu/mason-null-ls.nvim",
+    optional = true,
+    opts = function(_, opts)
+      opts.ensure_installed = require("astrocore").list_insert_unique(opts.ensure_installed, { "biome" })
+    end,
+  },
+  {
+    "stevearc/conform.nvim",
+    optional = true,
+    opts = function(_, opts)
+      if not opts.formatters_by_ft then opts.formatters_by_ft = {} end
+      -- https://biomejs.dev/internals/language-support/
+      local supported_ft = {
+        "astro",
+        "css",
+        "graphql",
+        -- "html",
+        "javascript",
+        "javascriptreact",
+        "json",
+        "jsonc",
+        -- "markdown",
+        "svelte",
+        "typescript",
+        "typescriptreact",
+        "vue",
+        -- "yaml",
+      }
+      for _, ft in ipairs(supported_ft) do
+        opts.formatters_by_ft[ft] = { "biome" }
+      end
+    end,
+  },
+}