marksmall/node-build-web-app

"use strict";

import gulp from "gulp";
import help from "gulp-help";
help(gulp); // provide help through "gulp help" -- the help text is the second gulp task argument (https://www.npmjs.com/package/gulp-help/)
import changed from "gulp-changed";
import babel from "gulp-babel";
//import iff from "gulp-if";
import size from "gulp-size";
//import debug from "gulp-debug";

import config from "../config";
import utils from "../utils";

gulp.task("scripts-javascript-dist", "Transpile JavaScript (ES2015 to ES5 using Babel)", () =>{
    return utils.plumbedSrc(// handle errors nicely (i.e., without breaking watch)
        config.javascript.src
        )

        // Display the files in the stream
        //.pipe(debug({title: "Stream contents:", minimal: true}))

        // speed things up by ignoring unchanged resources
        .pipe(changed(config.javascript.dest))

        // Transpile ES2015 to ES5
        // options: https://babeljs.io/docs/usage/options/
        .pipe(babel())

        // Copy files
        .pipe(gulp.dest(config.javascript.dest))

        // Display the files in the stream
        //.pipe(debug({title: "Stream contents:", minimal: true}))

        // Task result
        .pipe(size({
            title: "scripts-javascript"
        }));
});