@dtwo/unplugin-ast

Manipulate the AST to transform your code.

Installation

npm i @dtwo/unplugin-ast

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 '@dtwo/unplugin-ast/transformers'

/**
 * 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 '@dtwo/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]
  },
})

License

MIT License