mist/modules/preloader/include/setBasePath.js

/**
Sets the base path in production for the file protocol, so assets are loaded properly

@module setBasePath
*/

const { remote } = require('electron');
const path = require('path');

module.exports = appPath => {
  // set the base path for relative assets in production mode
  if (remote.getGlobal('production') && ~location.origin.indexOf('file://')) {
    window.basePathHref = `${String(
      path.resolve(`${__dirname}/../../${appPath}`)
    )
      .replace(/\\/g, '/')
      .replace('/interface', '/app.asar/interface')}/`;
  }
};