Function build

gulpfile.js:22–33

()

const babel = require('gulp-babel');

async function build() {
    const bundle = await rollup.rollup({
        input: destBundleFile
    });

    return await bundle.write({
        file: destFile,
        format: 'es',
        name: destfilename,
        sourcemap: true
    });
}

function minify() {
    return src(destFile)