An example of hydrating a media url from an api response

gistfile1.js

var mockVideo = {
	title: 'My Awesome Video',
	public_id: 'abc123',
	media: {
		_links: {
			thumbnail: {
				template: 'http://frame.thestaticvube.com/snap/{width}x{height}/{public_id}.jpg;t={timestamp}'
			},
			video: {
				template: 'http://video.thestaticvube.com/video/{resolution_id}/{public_id}.mp4'
			}
		},
		thumbnail: [{
			width: 300,
			height: 250,
			timestamp: 25.123,
			transcoding_stauts: 'processed',
		}, {
			width: 500,
			height: 400,
			timestamp: 25.123,
			transcoding_stauts: 'processed',
		}, {
			width: 300,
			height: 250,
			timestamp: 123.123,
			transcoding_stauts: 'processed',
		}, {
			width: 500,
			height: 400,
			timestamp: 123.123,
			transcoding_stauts: 'processed',
		}],
		video: [{
			width: 300,
			height: 250,
			bitrate: 300000,
			resolution_id: 2,
			transcoding_status: 'processed'
		}]
	}
};


function hydrateTemplate(tmpl, mediaData) {
	for (var i in mediaData) {
		tmpl = tmpl.replace(new RegExp('{' + i + '}', 'g'), mediaData[i]);
	}
	return tmpl;
};

function mediaUrl(video, type, index) {
	var d = util.extend({}, video, video.media[type][index]);
	return hydrateTemplate(video.media._links[type].template, d);
};

mediaUrl(mockVideo, 'thumbnail', 1); // http://frame.thestaticvube.com/snap/300x250/abc123.jpg;t=25.123