Extends SP.CamlQuery to generate a CamlQuery for lookup values (MDS Compliant)

SP.CamlQuery.createLookupQuery.js

// Paramters:   lookupFieldName  - Internal name of field
//              lookupFieldValue - ID of lookup item

SP.CamlQuery.createLookupQuery = function SP_CamlQuery$createLookupQuery(lookupFieldName,lookupFieldValue){
	this.lookupFieldName = lookupFieldName || null;
	if(this.lookupFieldName === null){
		console.error('Missing Parameter(s): lookupFieldname and lookupFieldValue');
		return;
	}
	this.lookupFieldValue = lookupFieldValue || null;
	if(this.lookupFieldValue === null){
		console.error('Missing Parameter: lookupFieldValue');
		return;
	}
	var $v_0 = new SP.CamlQuery();
	$v_0.$l_1 = '<View>\r\n    <Query>\r\n        <Where>\r\n            <Eq>\r\n                <FieldRef Name=\"' + this.lookupFieldName + '\" LookupId=\"TRUE\" />\r\n                <Value Type=\"Lookup\">' + this.lookupFieldValue + '</Value>\r\n            </Eq>\r\n        </Where>\r\n    </Query>\r\n</View>';
	return $v_0;
}