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@Jeromche Jeromche/watchify.js
Last active Aug 29, 2015

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Browserify/Watchify Gulp task with Underscorify and error logging with Gulp Util
var gulp = require('gulp');
var browserify = require('browserify');
var watchify = require('watchify');
var underscorify = require('node-underscorify');
var source = require('vinyl-source-stream');
var gutil = require('gulp-util');
/**
* Writes a Browserify or Watchify bundle to file.
*/
var write = function(bundler) {
var path = './dist/js';
var filename = 'app.js';
bundler
.bundle()
.on('error', function(message) {
gutil.log(message.toString());
})
.pipe(source(filename))
.pipe(gulp.dest(path));
};
gulp.task('watchify', function() {
var options = watchify.args;
// Set options for Watchify.
options.debug = true;
options.ignoreMissing = true;
// Create Browserify instance.
var bundler = browserify(options);
bundler.transform(underscorify);
bundler.add('./app/index.js');
// Wrap Browserify instance in a Watcherify instance.
bundler = watchify(bundler)
.on('update', function() {
write(bundler);
});
// Write has to be called once before it starts to emit `update` events.
write(bundler);
// Run a watch to keep the process alive for now. This is just here to keep the process going.
// @todo Call the Watchify task as a dependency from another watch task and remove this.
gulp.watch('./dist/js/**/*.js', function() {
console.log('dist updated');
});
});
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