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https://github.com/egoist/rollup-plugin-esbuild

Use ESBuild with Rollup to transform ESNext and TypeScript code.
https://github.com/egoist/rollup-plugin-esbuild

esbuild esnext rollup typescript

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Use ESBuild with Rollup to transform ESNext and TypeScript code.

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**💛 You can help the author become a full-time open-source maintainer by [sponsoring him on GitHub](https://github.com/sponsors/egoist).**

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# rollup-plugin-esbuild

![npm version](https://badgen.net/npm/v/rollup-plugin-esbuild) ![npm downloads](https://badgen.net/npm/dm/rollup-plugin-esbuild)

[esbuild](https://github.com/evanw/esbuild) is by far one of the fastest TS/ESNext to ES6 compilers and minifier, this plugin replaces `rollup-plugin-typescript2`, `@rollup/plugin-typescript` and `rollup-plugin-terser` for you.

## Install

```bash
yarn add esbuild rollup-plugin-esbuild --dev
```

## Usage

In `rollup.config.js`:

```js
import esbuild from 'rollup-plugin-esbuild'

export default {
plugins: [
esbuild({
// All options are optional
include: /\.[jt]sx?$/, // default, inferred from `loaders` option
exclude: /node_modules/, // default
sourceMap: true, // default
minify: process.env.NODE_ENV === 'production',
target: 'es2017', // default, or 'es20XX', 'esnext'
jsx: 'transform', // default, or 'preserve'
jsxFactory: 'React.createElement',
jsxFragment: 'React.Fragment',
// Like @rollup/plugin-replace
define: {
__VERSION__: '"x.y.z"',
},
tsconfig: 'tsconfig.json', // default
// Add extra loaders
loaders: {
// Add .json files support
// require @rollup/plugin-commonjs
'.json': 'json',
// Enable JSX in .js files too
'.js': 'jsx',
},
}),
],
}
```

- `include` and `exclude` can be `String | RegExp | Array[...String|RegExp]`, when supplied it will override default values.
- It uses `jsx`, `jsxDev`, `jsxFactory`, `jsxFragmentFactory` and `target` options from your `tsconfig.json` as default values.

### Declaration File

There are serveral ways to generate declaration file:

- Use `tsc` with `emitDeclarationOnly`, the slowest way but you get type checking, it doesn't bundle the `.d.ts` files.
- Use [`rollup-plugin-dts`](https://github.com/Swatinem/rollup-plugin-dts) which generates and bundle `.d.ts`, also does type checking.
- Use [`api-extractor`](https://api-extractor.com/) by Microsoft, looks quite complex to me so I didn't try it, PR welcome to update this section.

### Use with Vue JSX

Use this with [rollup-plugin-vue-jsx](https://github.com/xxholly32/rollup-plugin-vue-jsx):

```js
import vueJsx from 'rollup-plugin-vue-jsx-compat'
import esbuild from 'rollup-plugin-esbuild'

export default {
// ...
plugins: [
vueJsx(),
esbuild({
jsxFactory: 'vueJsxCompat',
}),
],
}
```

### Standalone Minify Plugin

If you only want to use this plugin to minify your bundle:

```js
import { minify } from 'rollup-plugin-esbuild'

export default {
plugins: [minify()],
}
```

### Optimizing Deps

You can use this plugin to pre-bundle dependencies using esbuild and inline them in the Rollup-generated bundle:

```js
esbuild({
optimizeDeps: {
include: ['vue', 'vue-router'],
},
})
```

This eliminates the need of `@rollup/plugin-node-modules` and `@rollup/plugin-commonjs`.

Note that this is an **experimental features**, breaking changes might happen across minor version bump.

TODO: Maybe we can scan Rollup input files to get a list of deps to optimize automatically.

## Sponsors

[![sponsors](https://sponsors-images.egoist.sh/sponsors.svg)](https://github.com/sponsors/egoist)

## License

MIT © [EGOIST (Kevin Titor)](https://github.com/sponsors/egoist)