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Type Alias: RawReducerWithFinish<Value, Acc, Finished, This>

RawReducerWithFinish<Value, Acc, Finished, This> = RawReducerWithoutFinish<Value, Acc, This> & object

Defined in: reducers.d.ts:201

A reducer that reduces by creating an initial accumulator using RawReducerWithoutFinish.create, then adding values to the accumulator values using RawReducerWithoutFinish.add, and then transforming the final accumulator using RawReducerWithFinish.finish.

Type declaration​

finish()​

finish: (this, acc) => Finished

Parameters​

this​

This

acc​

Acc

Returns​

Finished

Type Parameters​

Value​

Value = unknown

Acc​

Acc = Value

Finished​

Finished = Acc

This​

This = unknown

Example​

import { pipe, reduce } from 'lfi'

console.log(
  pipe(
    [1, 2, 3, 4],
    reduce(
      // This is a `RawReducerWithFinish`
      {
        create: () => 0,
        add: (number1, number2) => number1 + number2,
        finish: sum => `The sum is ${sum}`,
      },
    ),
  ),
)
//=> The sum is 10
Playground

Since​

v2.0.0