jquery-typeahead/gulpfile.babel.js

jQuery plugin that provides Typeahead (autocomplete) Search preview from Json object(s) via same domain Ajax request or cross domain Jsonp and offers data compression inside Local Storage. The plugin is built with a lot of options and callbacks to allow c

'use strict';

import gulp from 'gulp';
import sass from 'gulp-sass';
import cleanCSS from 'gulp-clean-css';
import rename from 'gulp-rename';
import replace from 'gulp-replace';
import autoprefixer from 'gulp-autoprefixer';
import uglify from 'gulp-uglify';
import jshint from 'gulp-jshint';
import saveLicense from 'uglify-save-license';

let pkg = require('./package.json'),
    version = pkg.version,
    date = new Date(),
    yyyy = date.getFullYear().toString(),
    mm = (date.getMonth()+1).toString(),
    dd = date.getDate().toString(),
    yyyymmdd = `${yyyy}-${mm}-${dd}`,
    banner = `/*!
 * jQuery Typeahead
 * Copyright (C) ${yyyy} RunningCoder.org
 * Licensed under the MIT license
 *
 * @author ${pkg.author.name}
 * @version ${version} (${yyyymmdd})
 * @link http://www.runningcoder.org/jquerytypeahead/
 */
`;

gulp.task('scss', function () {
    return gulp.src('./src/jquery.typeahead.scss')
        .pipe(sass({
            outputStyle: 'expanded'
        }))
        .pipe(autoprefixer({
            browsers: [
                'last 3 versions',
                'ie >= 8',
                'ios >= 7',
                'android >= 4.4',
                'bb >= 10'
            ],
            cascade: false
        }))
        .pipe(gulp.dest('./src'))
        .pipe(cleanCSS())
        .pipe(rename('jquery.typeahead.min.css'))
        .pipe(gulp.dest('./dist'));
});

gulp.task('jshint', function() {
    return gulp.src('./src/jquery.typeahead.js')
        .pipe(jshint({
            shadow: true,
            expr: true,
            loopfunc: true,
            // Switch statements "falls through"
            "-W086": true,
            validthis: true,
            scripturl:true
        }))
        .pipe(jshint.reporter('default'));
});

gulp.task('js', function () {
    return gulp.src('./src/jquery.typeahead.js')
        .pipe(replace(/\/\*![\S\s]+?\*\/[\r\n]*/, banner))
        .pipe(replace(/version: ["'].*?["']/, `version: '${version}'`))
        .pipe(gulp.dest('./src'))
        .pipe(rename('jquery.typeahead.min.js'))
        .pipe(replace(/\/\/\s?\{debug}[\s\S]*?\{\/debug}/g, ''))
        .pipe(uglify({
            mangle: true,
            //preserveComments: 'license'
            output: {
                comments: saveLicense
            }
        }))
        .pipe(gulp.dest('./dist'));
});

gulp.task('watch', function () {
    gulp.watch('./src/jquery.typeahead.scss', gulp.task('scss')).on('change', function (file) {
        console.log(file)
    });
});

gulp.task('default', gulp.parallel('scss', /*'jshint',*/ 'js'));