private _addCallbackSet()

in src/SyncTasks.ts [193:222]

• 23 lines of code
• 5 McCabe index (conditional complexity)

        private _addCallbackSet<U>(set: CallbackSet<T, U>, callbackWillChain: boolean): STPromise<U> {
            const task = new SyncTask<U>();
            task.onCancel(context => {
                set.wasCanceled = true;
                set.cancelContext = context;
                // Note: Cancel due to bubbling should not throw if the public cancel is called before/after.
                this._cancelInternal(context);
            });
            set.task = task;
            this._storedCallbackSets.push(set);

            if (callbackWillChain) {
                // The callback inherits responsibility for "handling" errors.
                this._mustHandleError = false;
            } else {
                // The callback can never "handle" errors since nothing can chain to it.
                task._mustHandleError = false;
            }

            // The _resolve* functions handle callbacks being added while they are running.
            if (!this._resolving) {
                if (this._completedSuccess) {
                    this._resolveSuccesses();
                } else if (this._completedFail) {
                    this._resolveFailures();
                }
            }

            return task.promise();
        }