Lissy93/twitter-sentiment-visualisation

var gulp    = require('gulp');
var gsize   = require('gulp-filesize');
var jshint  = require('gulp-jshint');
//var uglify  = require('gulp-uglify'); // Uncomment to minify (see below aswell)
var coffee  = require('gulp-coffee');
var cofLint = require('gulp-coffeelint');
var footer  = require('gulp-footer');
var filter  = require('gulp-filter');
var argv    = require('yargs').argv;
var gulpIf  = require('gulp-if');

var CONFIG  = require('../tasks/config');
var devMode = argv.dev ? true : CONFIG.SHOW_OUTPUT;

/* JavaScript Tasks */
gulp.task('scripts',  function(){

    /* A list of file sources and destinations */
    var paths = CONFIG.SCRIPT_PATHS;

    /* For each file path, run all script tasks */
    var tasks = [];
    paths.forEach(function(path) {
        tasks.push(awsesomeizeScripts(path.src, path.dest));
    });

    return (tasks); // Return all results as array of multiple streams

    /* Function applies all the tasks on the script files and returns a pipe dest */
    function awsesomeizeScripts(srcPath, resPath){

        /* Filters to be applied (so that different operations can be done on different files) */
        var bundleFilter = filter(['*', '!**/*-main.{js,coffee}', '!**/*-main.{js,coffee}']);
        var coffeeFilter = filter('**/*.coffee', {restore: true}); // MUST be declared here in order to RESET correctly!

        return gulp.src(srcPath)
            .pipe(bundleFilter) // Ignore browserify files

            /* CoffeeScript tasks */
            .pipe(coffeeFilter)
                .pipe(cofLint())
                .pipe(gulpIf(devMode, cofLint.reporter()))
                .pipe(coffee())
            .pipe(coffeeFilter.restore)
            .pipe(jshint())
            .pipe(gulpIf(devMode, jshint.reporter('jshint-stylish')))
            //.pipe(uglify()) // Uncomment line to minify output JavaScript
            .pipe(footer(CONFIG.FOOTER_TEXT))
            .pipe(gulpIf(devMode, gsize()))
            .pipe(gulp.dest(resPath));
    }
});