unplugin-ast 
Manipulate the AST to transform your code.
Installation
npm i unplugin-ast
Vite
// vite.config.ts
import AST from 'unplugin-ast/vite'
export default defineConfig({
plugins: [AST()],
})
Rollup
// rollup.config.js
import AST from 'unplugin-ast/rollup'
export default {
plugins: [AST()],
}
esbuild
// esbuild.config.js
import { build } from 'esbuild'
build({
plugins: [require('unplugin-ast/esbuild')()],
})
Webpack
// webpack.config.js
module.exports = {
/* ... */
plugins: [require('unplugin-ast/webpack')()],
}
Vue CLI
// vue.config.js
module.exports = {
configureWebpack: {
plugins: [require('unplugin-ast/webpack')()],
},
}
Configuration
The following show the default values of the configuration
AST({
// filters for transforming targets
include: [/\.[jt]sx?$/],
exclude: undefined,
// Rollup and esbuild do not support using enforce to control the order of plugins. Users need to maintain the order manually.
enforce: undefined,
// https://babeljs.io/docs/en/babel-parser#options
parserOptions: {},
// Refer to Custom Transformers belows
transformer: [],
})
Transformers
Bultin Transformers
import { RemoveWrapperFunction } from 'unplugin-ast/resolvers'
/**
* Removes wrapper function. e.g `defineComponent`, `defineConfig`...
* @param functionNames - function names to remove
*/
declare const RemoveWrapperFunction: (
functionNames: Arrayable<string>
) => Transformer<CallExpression>
Custom Transformers
import type { CallExpression } from '@babel/types'
import type { Transformer } from 'unplugin-ast'
export const RemoveWrapperFunction = (
functionNames: string[]
): Transformer<CallExpression> => ({
onNode: (node) =>
node.type === 'CallExpression' &&
node.callee.type === 'Identifier' &&
functionNames.includes(node.callee.name),
transform(node) {
return node.arguments[0]
},
})
Sponsors
![[UnexpectedToken]: Transform function returned a code string got a BABEL_PARSER_SYNTAX_ERROR](https://avatars.githubusercontent.com/u/31957758?v=4)
51 Jul 9, 2022
3 Dec 29, 2022
1.5k Jan 8, 2023
8 Jun 7, 2022
152 Aug 1, 2022
64 Nov 7, 2022
4 Nov 17, 2022
12 Nov 28, 2022
2k Dec 27, 2022
1 Jan 25, 2022
22 Jul 27, 2022
7 Nov 29, 2022
7 Nov 4, 2022
71 Jan 6, 2023
15 Sep 6, 2022
6 Jun 30, 2022
6.8k Jan 5, 2023
9 Sep 23, 2022
4 Nov 24, 2022