VMAP Parser, JwPlayer and VideoJs plugin

VMAP Parser, JwPlayer and VideoJs plugin.

Showing a VMAP ad require to parse the VMAP xml and show ad in video player. This package
handle VMAP parsing (to a JS object), VideoJs plugin and JwPlayer plugin. You can use this
package in Browser (umd) or Node (es).

## Install
You can install this package with npm:

``bash
npm install vmap-kit@latest
`
or with yarn:
`bash
yarn add vmap-kit@latest
`

Parse VMAP

To parse VMAP xml in browser you need to load the script:

`html

`

and then parse the xml. An example of load VMAP from remote can be found in bellow:

`javascript
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function() {
if (this.readyState === 4 && this.status === 200) {
var vmapObject = VMAP.JSON(xhr.responseText);
console.log(vmapObject);
}
};
xhr.open("GET", "vmap.xml");
xhr.send();
`

Video Player plugin

The official JwPlayer's ad plugin isn't free and you can find a free version here.
The VideoJs and JwPlayer plugins load the VMAP xml and show the ad.

Currently these plugins support these types of MediaFile's mimetype:
* image/gif
* image/png
* image/jpeg
* video/mp4

and also can play ads this start and end time offset.

This plugins append location.href as p, document.referrer as r and a fingerprint as tid to the request of vmap.

Warning: from 1.0.3 version, the plugin name change from vmap to vast.

$3

To show ad in JwPlayer you need put this config in your JwPlayer config:
`javascript
var playerInstance = jwplayer("video");
playerInstance.setup({
....
plugins: {
"dist/jwplayer/vmap.js": {}
},

advertising: {
client: "vast",
schedule: "/sample/vmap.xml" // VMAP endpoint address
}
....
});
`

An example of JwPlayer can be found here.



$3

To show ad in VideoJs you need load the plugin script:

`javascript

`
and then config the VideoJs to show ad in its options:
`javascript
plugins: {
vast: {
requestUrl: '/sample/vmap.xml',
}
}
``

An example of JwPlayer can be found here.

### Todo List
* Tests
* Support other time offsets

### License
The license of this package is MIT License and is being developed in ClickYab.