Michael Leibman mleibman

Software engineer at @google / GCP, focusing on sandboxing, instrumentation, latency, and performance. Author of @slickgrid.

mleibman / instrument-route-resolve.js

Created November 15, 2017 16:58

Instrument AngularJS route resolvers to time them and visualize on the performance timeline in Chrome DevTools.

	angular.element(document).injector().invoke(($injector, $rootScope) => {
	const patchedSymbol = Symbol('patched');

	$rootScope.$on('$routeChangeStart', (e, next, current) => {
	if (!next.resolve) return;

	Object.keys(next.resolve).forEach(key => {
	const resolver = next.resolve[key];
	if (resolver[patchedSymbol]) return;