Function transaction

packages/mobx/src/api/transaction.ts:10–17

(action: () => T, thisArg = undefined)

 * @returns any value that was returned by the 'action' parameter.
 */
export function transaction<T>(action: () => T, thisArg = undefined): T {
    startBatch()
    try {
        return action.apply(thisArg)
    } finally {
        endBatch()
    }
}