function notifyError()

in Canvas/CanvasSimple/lib/winjs-4.0.1/js/base.js [2109:2152]
42 lines of code
15 McCabe index (conditional complexity)

    function notifyError(promise, queue) {
        var value = promise._value;
        var listeners = promise._listeners;
        if (!listeners) {
            return;
        }
        promise._listeners = null;
        var i, len;
        for (i = 0, len = Array.isArray(listeners) ? listeners.length : 1; i < len; i++) {
            var listener = len === 1 ? listeners : listeners[i];
            var onError = listener.e;
            var target = listener.promise;

            var errorID = _Global.Debug && (value && value.name === canceledName ? _Global.Debug.MS_ASYNC_OP_STATUS_CANCELED : _Global.Debug.MS_ASYNC_OP_STATUS_ERROR);
            _Trace._traceAsyncOperationCompleted(listener.asyncOpID, errorID);

            if (target) {
                var asyncCallbackStarted = false;
                try {
                    if (onError) {
                        _Trace._traceAsyncCallbackStarting(listener.asyncOpID);
                        asyncCallbackStarted = true;
                        if (!onError.handlesOnError) {
                            callonerror(target, value, detailsForHandledError, promise, onError);
                        }
                        target._setCompleteValue(onError(value));
                    } else {
                        target._setChainedErrorValue(value, promise);
                    }
                } catch (ex) {
                    target._setExceptionValue(ex);
                } finally {
                    if (asyncCallbackStarted) {
                        _Trace._traceAsyncCallbackCompleted();
                    }
                }
                if (target._state !== state_waiting && target._listeners) {
                    queue.push(target);
                }
            } else {
                ErrorPromise.prototype.done.call(promise, null, onError);
            }
        }
    }