✨ Lua (ast-grep#56)

* ✨ lua

* ✅ Add Lua test

* 📝 Add changeset

Author: NatoBoram

.changeset/mighty-masks-give.md

@@ -0,0 +1,5 @@
+---
+"@ast-grep/lang-lua": patch
+---
+
+Add @ast-grep/lang-lua

packages/lua/README.md

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+# ast-grep napi language for lua
+
+## Installation
+
+In a pnpm project, run:
+
+```bash
+pnpm install @ast-grep/lang-lua
+pnpm install @ast-grep/napi
+# install the tree-sitter-cli if no prebuild is available
+pnpm install @tree-sitter/cli --save-dev
+```
+
+## Usage
+
+```js
+import lua from '@ast-grep/lang-lua'
+import { registerDynamicLanguage, parse } from '@ast-grep/napi'
+
+registerDynamicLanguage({ lua })
+
+const sg = parse('lua', `your code`)
+sg.root().kind()
+```

packages/lua/index.d.ts

@@ -0,0 +1,10 @@
+type LanguageRegistration = {
+  libraryPath: string
+  extensions: string[]
+  languageSymbol?: string
+  metaVarChar?: string
+  expandoChar?: string
+}
+
+declare const registration: LanguageRegistration
+export default registration

packages/lua/index.js

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+const path = require('node:path')
+const libPath = path.join(__dirname, 'parser.so')
+
+module.exports = {
+  libraryPath: libPath,
+  extensions: ['lua'],
+  languageSymbol: 'tree_sitter_lua',
+  expandoChar: '$',
+}

packages/lua/nursery.js

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+const { setup } = require('@ast-grep/nursery')
+const assert = require('node:assert')
+const languageRegistration = require('./index')
+
+setup({
+  dirname: __dirname,
+  name: 'lua',
+  treeSitterPackage: 'tree-sitter-lua',
+  languageRegistration,
+  testRunner: parse => {
+    const sg = parse('print("Hello World")')
+    const root = sg.root()
+    const node = root.find('print($S)')
+    assert.equal(node.kind(), 'function_call')
+  },
+})

packages/lua/package.json

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+{
+  "name": "@ast-grep/lang-lua",
+  "version": "0.0.1",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "build": "tree-sitter build -o parser.so",
+    "source": "node nursery.js source",
+    "prepublishOnly": "node nursery.js source",
+    "postinstall": "node postinstall.js",
+    "test": "node nursery.js test"
+  },
+  "files": [
+    "index.js",
+    "index.d.ts",
+    "type.d.ts",
+    "postinstall.js",
+    "src",
+    "prebuilds"
+  ],
+  "keywords": ["ast-grep"],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@ast-grep/setup-lang": "0.0.3"
+  },
+  "peerDependencies": {
+    "tree-sitter-cli": "0.24.6"
+  },
+  "peerDependenciesMeta": {
+    "tree-sitter-cli": {
+      "optional": true
+    }
+  },
+  "devDependencies": {
+    "@ast-grep/nursery": "0.0.2",
+    "tree-sitter-cli": "0.24.6",
+    "tree-sitter-lua": "2.1.3"
+  },
+  "publishConfig": {
+    "access": "public",
+    "registry": "https://registry.npmjs.org/"
+  },
+  "pnpm": {
+    "onlyBuiltDependencies": ["@ast-grep/lang-lua", "tree-sitter-cli"]
+  }
+}

packages/lua/postinstall.js

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+const { postinstall } = require('@ast-grep/setup-lang')
+postinstall({
+  dirname: __dirname,
+})