Add a vector tile source | TrackAsia GL JS Docs

Add a vector source to a map.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Add a vector tile source</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
<script src="https://unpkg.com/trackasia-gl@1.0.5/dist/trackasia-gl.js"></script>
<link href="https://unpkg.com/trackasia-gl@1.0.5/dist/trackasia-gl.css" rel="stylesheet" />
<style>
	body { margin: 0; padding: 0; }
	#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<div id="map"></div>
<script>
var map = new trackasiagl.Map({
container: 'map',
style: 'https://maps.track-asia.com/styles/v1/streets.json?key=public_key',
center: {"lat":10.762622,"lng":106.660172},
zoom: 12
});

map.on('load', function () {
map.addSource('contours', {
type: 'vector',
url: 'https://maps.track-asia.com/tiles/v1/composite.json?key=public_key'
});
map.addLayer({
'id': 'terrain-data',
'type': 'line',
'source': 'contours',
'source-layer': 'contour',
'layout': {
'line-join': 'round',
'line-cap': 'round'
},
'paint': {
'line-color': '#ff69b4',
'line-width': 1
}
});
});
</script>
 
</body>
</html>