ui/rollup.config.js

import commonjs from 'rollup-plugin-commonjs';
import nodeResolve from 'rollup-plugin-node-resolve';

export default {
  output: {
    name: 'perfetto'
  },
  plugins: [
    nodeResolve(),

    // emscripten conditionally executes require('fs') and require('path'),
    // when running under node, rollup can't find a library named 'fs' or
    // 'path' so expects these to be present in the global scope (which fails
    // at runtime). To avoid this we ignore require('fs') and require('path').
    commonjs({
      ignore: [
        'fs',
        'path'
      ]
    })
  ]
}