scripts/build.js (4 lines of code) (raw):
#!/usr/bin/env node
import shell from 'shelljs';
import config from './lib/config.js';
import babel from './lib/babel.js';
shell.set('-e');
shell.echo('Clean dist files...');
shell.rm('-rf', config.clean);
shell.echo('Running babel-cli...');
process.env.WEBEXT_BUILD_ENV = process.env.NODE_ENV || 'development';
babel();
shell.echo('babel build completed.');