gulpfile.js

var gulp = require('gulp');
var concat = require('gulp-concat');
var uglify = require('gulp-uglify');
var shell = require('gulp-shell');
var ngAnnotate = require('gulp-ng-annotate');
var sourcemaps = require('gulp-sourcemaps');

details = {
  start: 'src/Model.js',
  sources: 'src/**/*.js',
  dest: 'dist',
}

gulp.task('buildNormal', function() {
  return gulp.src([details.start, details.sources])
    .pipe(ngAnnotate())
    .pipe(concat('sneakerjs.js'))
    .pipe(gulp.dest('dist'))
    .pipe(gulp.dest('demos/demo_1/node_modules/sneakerjs/dist'))
    .on('error', function(e) {console.log(e);});
});

gulp.task('buildMinified', function() {
  return gulp.src([details.start, details.sources])
    .pipe(sourcemaps.init({loadMaps: true}))
    .pipe(ngAnnotate())
    .pipe(concat('sneakerjs.min.js'))
    .pipe(uglify())
    .pipe(sourcemaps.write('.'))
    .pipe(gulp.dest('dist'))
    .pipe(gulp.dest('demos/demo_1/node_modules/sneakerjs/dist'))
    .on('error', function(e) {console.log(e);});
});

gulp.task('build', ['buildNormal', 'buildMinified'], function() {
});

gulp.task('patch', ['build'], shell.task([
  'npm version patch',
  'npm publish'
]));

gulp.task('watch', ['build'], function() {
  gulp.watch(details.sources, ['build']);
});