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Function to intercept functions calls even to nativ functions.
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function interceptFunction (object, fnName, options) { | |
var noop = function () {}; | |
var fnToWrap = object[fnName]; | |
var before = options.before || noop; | |
var after = options.after || noop; | |
object[fnName] = function () { | |
before.apply(this, arguments); | |
var result = fnToWrap.apply(this, arguments); | |
after.apply(this, arguments); | |
return result | |
} | |
} |
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