browserify.js

/* browserify task
 ---------------
 Bundle javascripty things with browserify!

 If the watch task is running, this uses watchify instead
 of browserify for faster bundling using caching.
 */

var browserify   = require('browserify');
var watchify     = require('watchify');
var bundleLogger = require('../vendor/couchapp/_attachments/util/bundleLogger');
var gulp         = require('gulp');
var handleErrors = require('../vendor/couchapp/_attachments/util/handleErrors');
var source       = require('vinyl-source-stream');

gulp.task('browserify', function() {
    var bundler = browserify({
        // Required watchify args
        cache: {}, packageCache: {}, fullPaths: true,
        // Specify the entry point of your app
        entries: ['./vendor/couchapp/_attachments/evab.js'],
        // Add file extentions to make optional in your requires
        extensions: ['.js'],
        // Enable source maps!
        debug: true
    });

    var bundle = function() {
        // Log when bundling starts
        bundleLogger.start();

        return bundler
            .bundle()
            // Report compile errors
            .on('error', handleErrors)
            // Use vinyl-source-stream to make the
            // stream gulp compatible. Specifiy the
            // desired output filename here.
            .pipe(source('app.js'))
            // Specify the output destination
            .pipe(gulp.dest('./vendor/couchapp/_attachments/'))
            // Log when bundling completes!
            .on('end', bundleLogger.end);
    };

    if(global.isWatching) {
        bundler = watchify(bundler);
        // Rebundle with watchify on changes.
        bundler.on('update', bundle);
    }

    return bundle();
});