feat: add biome as formatter

README.md

@@ -9,6 +9,7 @@
 - `lsp` using `vim.lsp.buf.format`
 - [x] [autopep8](https://github.com/hhatto/autopep8)
 - [x] [black](https://github.com/psf/black)
+- [x] [biome](https://biomejs.dev)
 - [ ] [cbfmt](https://github.com/lukas-reineke/cbfmt)
 - [x] [clang-format](https://www.kernel.org/doc/html/latest/process/clang-format.html)
 - [ ] [csharpier](https://csharpier.com/)

lua/guard-collection/formatter.lua

@@ -266,4 +266,11 @@ M.zigfmt = {
   stdin = true,
 }
 
+M.biome = {
+  cmd = 'biome',
+  args = { 'format', '--write' },
+  fname = true,
+  stdin = false,
+}
+
 return M

test/formatter/biome_spec.lua

@@ -0,0 +1,32 @@
+describe('biome', function()
+  it('can format json', function()
+    local ft = require('guard.filetype')
+    ft('json'):fmt('biome')
+    require('guard').setup()
+
+    local formatted = require('test.formatter.helper').test_with('json', {
+      [[{"name":   "dove" , "age":10 ]],
+      [[,"gender":   "male"}]],
+    })
+    assert.are.same({
+      [[{ "name": "dove", "age": 10, "gender": "male" }]],
+    }, formatted)
+  end)
+
+  it('can format javascript', function()
+    local ft = require('guard.filetype')
+    ft('js'):fmt('biome')
+    require('guard').setup()
+
+    local formatted = require('test.formatter.helper').test_with('js', {
+      [[            const randomNumber = Math.floor(]],
+      [[      Math.random() *           10]],
+      [[      ) + 1]],
+      [[alert(randomNumber)]],
+    })
+    assert.are.same({
+      [[const randomNumber = Math.floor(Math.random() * 10) + 1;]],
+      [[alert(randomNumber);]],
+    }, formatted)
+  end)
+end)

test/setup.sh

@@ -7,7 +7,7 @@ eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
 luarocks install luacheck &
 pip -qqq install autopep8 black djhtml docformatter flake8 isort pylint yapf codespell ruff sqlfluff clang-tidy mypy &
 npm install -g --silent \
-    prettier @fsouza/prettierd sql-formatter shellcheck shfmt @taplo/cli &
+    prettier @fsouza/prettierd sql-formatter shellcheck shfmt @taplo/cli @biomejs/biome &
 brew install \
     hlint ormolu clang-format golines gofumpt detekt &