gulp-uglify-es/lib/index.js

gulp stream to uglify with 'uglify-es' (es6 supported).

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const o_stream_1 = require("o-stream");
const Uglify = require("uglify-es");
function plugin(options) {
    return o_stream_1.default.transform({
        onEntered: (args) => {
            if (!args.object.contents) {
                throw new Error(`Invalid file with path: ${args.object.path}. The file has no contents.`);
            }
            let result = Uglify.minify(args.object.contents.toString(), options);
            if (result.error) {
                throw result.error;
            }
            args.object.contents = new Buffer(result.code);
            args.output.push(args.object);
        }
    });
}
exports.default = plugin;