import { terser } from “rollup-plugin-terser” import replace from “@rollup/plugin-replace”

const banner = ‘ /* Unobtrusive JavaScript github.com/rails/rails/blob/main/actionview/app/javascript Released under the MIT license

*/

const terserOptions = {

mangle: false,
compress: false,
format: {
  beautify: true,
  indent_level: 2,
  comments: function (node, comment) {
    if (comment.type == "comment2") {
      // multiline comment
      return comment.value.includes("Released under the MIT license")
    }
  }
}

}

export default [

{
  input: "app/javascript/rails-ujs/index.js",
  output: {
    file: "app/assets/javascripts/rails-ujs.js",
    format: "umd",
    name: "Rails",
    banner,
  },
  plugins: [
    replace({
      preventAssignment: true,
      values: { __esm: false },
    }),
    terser(terserOptions),
  ]
},

{
  input: "app/javascript/rails-ujs/index.js",
  output: {
    file: "app/assets/javascripts/rails-ujs.esm.js",
    format: "es",
    banner,
  },
  plugins: [
    replace({
      preventAssignment: true,
      values: { __esm: true },
    }),
    terser(terserOptions),
  ]
}

]