src/sap.ui.fl/src/sap/ui/fl/Utils.js
function(aArray, oObject) {
			var iObjectIndex = -1;
			aArray.some(function(oArrayObject, iIndex) {
				var aKeysArray, aKeysObject;
				if (!oArrayObject) {
					aKeysArray = [];
				} else {
					aKeysArray = Object.keys(oArrayObject);
				}

				if (!oObject) {
					aKeysObject = [];
				} else {
					aKeysObject = Object.keys(oObject);
				}
				var bSameNumberOfAttributes = aKeysArray.length === aKeysObject.length;
				var bContains = bSameNumberOfAttributes && !aKeysArray.some(function(sKey) {
					return oArrayObject[sKey] !== oObject[sKey];
				});

				if (bContains) {
					iObjectIndex = iIndex;
				}

				return bContains;
			});
			return iObjectIndex;
		}
function(aArray, oObject) {
			var iObjectIndex = -1;
			aArray.some(function(oArrayObject, iIndex) {
				var aKeysArray, aKeysObject;
				if (!oArrayObject) {
					aKeysArray = [];
				} else {
					aKeysArray = Object.keys(oArrayObject);
				}

				if (!oObject) {
					aKeysObject = [];
				} else {
					aKeysObject = Object.keys(oObject);
				}
				var bSameNumberOfAttributes = aKeysArray.length === aKeysObject.length;
				var bContains = bSameNumberOfAttributes && !aKeysArray.some(function(sKey) {
					return oArrayObject[sKey] !== oObject[sKey];
				});

				if (bContains) {
					iObjectIndex = iIndex;
				}

				return bContains;
			});
			return iObjectIndex;
		}
function ( aArray , oObject ) { var iObjectIndex = - 1 ; aArray . some ( function ( oArrayObject , iIndex ) { var aKeysArray , aKeysObject ; if ( ! oArrayObject ) { aKeysArray = [ ] ; } else { aKeysArray = Object . keys ( oArrayObject ) ; } if ( ! oObject ) { aKeysObject = [ ] ; } else { aKeysObject = Object . keys ( oObject ) ; } var bSameNumberOfAttributes = aKeysArray . length === aKeysObject . length ; var bContains = bSameNumberOfAttributes && ! aKeysArray . some ( function ( sKey ) { return oArrayObject [ sKey ] !== oObject [ sKey ] ; } ) ; if ( bContains ) { iObjectIndex = iIndex ; } return bContains ; } ) ; return iObjectIndex ; }
Checks if an object is in an array or not and returns the index or -1

@param {object[]} aArray Array of objects
@param {object} oObject object that should be part of the array
@returns {int} Returns the index of the object in the array, -1 if it is not in the array
@public
Checks if an object is in an array or not and returns the index or - 1