rollup.config.js

   1 import buble from "rollup-plugin-buble"
   2
   3 export default {
   4   entry: "acorn/src/index.js",
   5   moduleName: "acorn",
   6   plugins: [
   7     buble({transforms: {dangerousForOf: true}})
   8   ],
   9   sourceMap: true,
  10   targets: [
  11     {dest: "acorn/dist/acorn.js", format: "umd"},
  12     {dest: "acorn/dist/acorn.mjs", format: "es"}
  13   ]
  14 }