js-fns/reduce/index.d.ts

Modern JavaScript utility library focused on the build size

/**
 * Accumulates entries of the given object.
 *
 * @param object - The object to reduce
 * @param reducer - The reducer function
 * @param initialValue - The initial accumulator value
 * @returns The accumulated value
 *
 * @category Collection
 * @public
 */
export default function reduce<Key extends string, ObjectType extends {
    [key: string]: ValueType;
}, AccumulatorType, ValueType>(objec: {
    [key in Key]: ValueType;
}, reducer: (accumulator: AccumulatorType, value: ValueType, key: Key) => AccumulatorType, initialValue: AccumulatorType): AccumulatorType;
/**
 * Accumulates elements of the given array.
 *
 * @param array - The array to reduce
 * @param reducer - The reducer function
 * @param initialValue - The initial accumulator value
 * @returns The accumulated value
 *
 * @category Collection
 * @public
 */
export default function reduce<AccumulatorType, ValueType>(object: ValueType[], reducer: (accumulator: AccumulatorType, element: ValueType, index: number) => AccumulatorType, initialValue: AccumulatorType): AccumulatorType;