feat: support esbuild (#91)

Author: sxzz

Diff for: README.md

@@ -2,7 +2,7 @@
 
 [![NPM version](https://img.shields.io/npm/v/unplugin-vue2-script-setup?color=a1b858&label=)](https://www.npmjs.com/package/unplugin-vue2-script-setup)
 
-Bring [`<script setup>`](https://v3.vuejs.org/api/sfc-script-setup.html#sfc-script-setup) to Vue 2. Works for Vite, Nuxt, Vue CLI, Webpack and more, powered by [unplugin](https://github.com/unjs/unplugin).
+Bring [`<script setup>`](https://v3.vuejs.org/api/sfc-script-setup.html#sfc-script-setup) to Vue 2. Works for Vite, Nuxt, Vue CLI, Webpack, esbuild and more, powered by [unplugin](https://github.com/unjs/unplugin).
 
 ## Install
 
@@ -203,6 +203,24 @@ export default {
 
 <br></details>
 
+<details>
+<summary>esbuild</summary><br>
+
+```ts
+// esbuild.config.js
+import { build } from 'esbuild'
+build({
+  /* ... */
+  plugins: [
+    require('unplugin-vue2-script-setup/esbuild')({
+      /* options */
+    }),
+  ],
+})
+```
+
+<br></details>
+
 <details>
 <summary>Jest</summary><br>
 

Diff for: esbuild.d.ts

@@ -0,0 +1,2 @@
+import './shims'
+export { default } from './dist/esbuild'

Diff for: package.json

@@ -22,7 +22,8 @@
     "./rollup": "./dist/rollup.js",
     "./types": "./dist/types.js",
     "./vite": "./dist/vite.js",
-    "./webpack": "./dist/webpack.js"
+    "./webpack": "./dist/webpack.js",
+    "./esbuild": "./dist/esbuild.js"
   },
   "main": "dist/index.js",
   "types": "index.d.ts",

Diff for: src/esbuild.ts

@@ -0,0 +1,3 @@
+import unplugin from '.'
+
+export default unplugin.esbuild