purify-css/config/rollup.config.js

Removed unused css. Compatible with single-page apps.

import babel from "rollup-plugin-babel"
import builtins from "rollup-plugin-node-builtins"
import commonjs from "rollup-plugin-commonjs"
import resolve from "rollup-plugin-node-resolve"

export default {
    entry: "src/purifycss.js",
    targets: [
        {
            dest: "lib/purifycss.es.js",
            format: "es"
        },
        {
            dest: "lib/purifycss.js",
            format: "cjs"
        }
    ],
    plugins: [
        builtins(),
        resolve(),
        commonjs(),
        babel({
          exclude: "node_modules/**",
          presets: [
            [
              "es2015", {
                "modules": false
              }
            ]
          ],
          "plugins": [ "external-helpers" ]
        })
    ],
    external: ["clean-css", "glob", "rework", "uglifyjs"],
    sourceMap: false
}