Use navigator.sendBeacon when possible - #136, #206

Andrew Kane committed Aug 19, 2016

commit c6fa0fad312edf8d3452c635a72918b4a08fe06d

Showing 1 changed file with 18 additions and 6 deletions

vendor/assets/javascripts/ahoy.js +18 -6

@@	@@ -22,6 +22,7 @@
	var eventQueue = [];
	var visitsUrl = ahoy.visitsUrl \|\| "/ahoy/visits"
	var eventsUrl = ahoy.eventsUrl \|\| "/ahoy/events"
+	var canTrackNow = canStringify && typeof(navigator.sendBeacon) !== "undefined";

	// cookies

@@	@@ -122,6 +123,13 @@
	});
	}

+	function trackNow(event) {
+	ready( function () {
+	var payload = new Blob([JSON.stringify([event])], {type : "application/json; charset=utf-8"});
+	navigator.sendBeacon(eventsUrl, payload)
+	});
+	}
+
	function page() {
	return ahoy.page \|\| window.location.pathname;
	}
@@	@@ -232,13 +240,17 @@
	};
	log(event);

-	eventQueue.push(event);
-	saveEventQueue();
+	if (canTrackNow) {
+	trackNow(event);
+	} else {
+	eventQueue.push(event);
+	saveEventQueue();

-	// wait in case navigating to reduce duplicate events
-	setTimeout( function () {
-	trackEvent(event);
-	}, 1000);
+	// wait in case navigating to reduce duplicate events
+	setTimeout( function () {
+	trackEvent(event);
+	}, 1000);
+	}
	};

	ahoy.trackView = function () {