gulpfile.js

var gulp = require('gulp'),
    uglify = require('gulp-uglify'),
    rename = require('gulp-rename'),
    browserify = require('gulp-browserify'),
    concat = require('gulp-concat'),
    mocha = require('gulp-mocha'),
    shell = require('gulp-shell'),
    del = require('del');

gulp.task('clean', function(cb) {
    del('lib/**/*.*', cb);
});

gulp.task('browserify', ['clean'], function(cb) {
    return gulp.src('./src/PathFinding.js')
    .pipe(browserify({ standalone: 'PF' }))
    .pipe(rename('pathfinding-browserified.js'))
    .pipe(gulp.dest('./lib/'), cb);
});

gulp.task('uglify', ['browserify'], function(cb) {
    return gulp.src('./lib/pathfinding-browserified.js')
    .pipe(uglify())
    .pipe(rename('pathfinding-browser.min.js'))
    .pipe(gulp.dest('./lib/'), cb);
});

gulp.task('scripts', ['clean', 'browserify', 'uglify'], function(cb) {
    return gulp.src(['./src/banner', './lib/pathfinding-browserified.js'])
    .pipe(concat('pathfinding-browser.js'))
    .pipe(gulp.dest('./lib/'), cb);
});

gulp.task('compile', ['scripts'], function() {
    del('./lib/pathfinding-browserified.js');
});

gulp.task('test', function () {
    return gulp.src('./test/**/*.js', {read: false})
        .pipe(mocha({reporter: 'spec', bail: true, globals: { should: require('should') }}));
});

gulp.task('bench', shell.task([
    'node benchmark/benchmark.js'
]));

gulp.task('default', ['test', 'compile'], function() {
});