Function runWatchify

test/test.js:682–734

(config, handlers)

}

function runWatchify(config, handlers) {
	var bOpts = config.bOpts || {};
	bOpts.debug = true;

	var tsifyOpts = config.tsifyOpts || {};
	var beforeBundle = config.beforeBundle || function() {};

	var watcher = new EventEmitter();
	watcher.close = function () {};

	var b = watchify(browserify(watchify.args));
	b._watcher = function () { return watcher; };
	b.plugin(tsify, tsifyOpts);
	beforeBundle(b);

	b.on('update', rebundle);
	rebundle();

	function rebundle() {
		var calledBack = false;
		var errors = [];

		b.bundle()
			.on('error', function (error) {
				errors.push(error);
			})
			.pipe(es.wait(function (err, actual) {
				if (calledBack)
					throw new Error('Bundling completed after build timeout expired');
				calledBack = true;
				callNextCallback(errors, actual.toString());
			}));

		setTimeout(function () {
			if (calledBack)
				return;
			calledBack = true;
			callNextCallback(errors, null);
		}, buildTimeout);
	}

	function callNextCallback(errors, actual) {
		// hack to wait for Watchify to finish adding any outstanding watchers
		setTimeout(function () {
			var cb = handlers.shift();
			cb(errors, actual, triggerChange, b);
		}, 100);
	}

	function triggerChange() {
		watcher.emit('change');
	}
}

function expectNoErrors(t, errors) {
	t.deepEqual(errors, [], 'Should have no compilation errors');