gulp-zip-custom

gulp-zip-custom.js

var path = require('path'),
	gutil = require('gulp-util'),
	nodeZip = require('node-native-zip'),
	through = require('through2');

var gulpZipCustom = function(filename) {
	if (!filename) {
		throw new gutil.PluginError('gulp-zip-custom', chalk.blue('filename') + ' required');
	}

	var firstFile;
	var zip = new nodeZip();

	return through.obj(function(file, enc, cb){
		if (file.isNull()) {
			this.push(file);
			return cb();
		}

		if (file.isStream()) {
			this.emit('error', new gutil.PluginError('gulp-zip-custom', 'Streaming not supported'));
			return cb();
		}

		if (!firstFile) {
			firstFile = file;
		}

		var relativePath = file.path.replace(file.cwd + path.sep, '');
		zip.add(relativePath, file.contents);
		cb();
	}, function (cb) {
		if (!firstFile) {
			return cb();
		}

		this.push(new gutil.File({
			cwd: firstFile.cwd,
			base: firstFile.cwd,
			path: path.join(firstFile.cwd, filename),
			contents: zip.toBuffer()
		}));
		cb();
	});
};