33 lines
923 B
JavaScript
33 lines
923 B
JavaScript
|
define([
|
||
|
|
'./DeveloperError'
|
||
|
|
], function(
|
||
|
|
DeveloperError) {
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wraps a function on the provided objects with another function called in the
|
||
|
|
* object's context so that the new function is always called immediately
|
||
|
|
* before the old one.
|
||
|
|
*
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
function wrapFunction(obj, oldFunction, newFunction) {
|
||
|
|
//>>includeStart('debug', pragmas.debug);
|
||
|
|
if (typeof oldFunction !== 'function') {
|
||
|
|
throw new DeveloperError('oldFunction is required to be a function.');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeof newFunction !== 'function') {
|
||
|
|
throw new DeveloperError('oldFunction is required to be a function.');
|
||
|
|
}
|
||
|
|
//>>includeEnd('debug');
|
||
|
|
|
||
|
|
return function() {
|
||
|
|
newFunction.apply(obj, arguments);
|
||
|
|
oldFunction.apply(obj, arguments);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
return wrapFunction;
|
||
|
|
});
|