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Function: mapReducer()

Returns a Reducer or OptionalReducer equivalent to reducer except its final value is transformed using fn.

Since​

v2.0.0

Call Signature​

mapReducer<Value, Acc, From, To, This>(fn, reducer): Reducer<Value, Acc, To>

Type Parameters​

• Value

• Acc

• From

• To

• This

Parameters​

fn​

(value) => To

reducer​

Readonly<RawReducerWithFinish<Value, Acc, From, This>>

Returns​

Reducer<Value, Acc, To>

Defined in​

reducers.d.ts:458

Call Signature​

mapReducer<From, To>(fn): <Value, Acc, This>(reducer) => Reducer<Value, Acc, To>

Type Parameters​

• From

• To

Parameters​

fn​

(value) => To

Returns​

Function

Type Parameters​

• Value

• Acc

• This

Parameters​

reducer​

Readonly<RawReducerWithFinish<Value, Acc, From, This>>

Returns​

Reducer<Value, Acc, To>

Defined in​

reducers.d.ts:462

Call Signature​

mapReducer<Value, From, To, This>(fn, reducer): Reducer<Value, To, To>

Type Parameters​

• Value

• From

• To

• This

Parameters​

fn​

(value) => To

reducer​

Readonly<RawReducerWithoutFinish<Value, From, This>>

Returns​

Reducer<Value, To, To>

Defined in​

reducers.d.ts:468

Call Signature​

mapReducer<From, To>(fn): <Value, This>(reducer) => Reducer<Value, To, To>

Type Parameters​

• From

• To

Parameters​

fn​

(value) => To

Returns​

Function

Type Parameters​

• Value

• This

Parameters​

reducer​

Readonly<RawReducerWithoutFinish<Value, From, This>>

Returns​

Reducer<Value, To, To>

Defined in​

reducers.d.ts:472

Call Signature​

mapReducer<Value, From, To, This>(fn, reducer): OptionalReducer<Value, To>

Type Parameters​

• Value

• From

• To

• This

Parameters​

fn​

(value) => To

reducer​

Readonly<RawOptionalReducerWithFinish<Value, From, This>>

Returns​

OptionalReducer<Value, To>

Defined in​

reducers.d.ts:478

Call Signature​

mapReducer<From, To>(fn): <Value, This>(reducer) => OptionalReducer<Value, To>

Type Parameters​

• From

• To

Parameters​

fn​

(value) => To

Returns​

Function

Type Parameters​

• Value

• This

Parameters​

reducer​

Readonly<RawOptionalReducerWithFinish<Value, From, This>>

Returns​

OptionalReducer<Value, To>

Defined in​

reducers.d.ts:482

Call Signature​

mapReducer<From, To, This>(fn, reducer): OptionalReducer<To, To>

Type Parameters​

• From

• To

• This

Parameters​

fn​

(value) => To

reducer​

Readonly<RawOptionalReducerWithoutFinish<From, This>>

Returns​

OptionalReducer<To, To>

Defined in​

reducers.d.ts:488

Call Signature​

mapReducer<From, To>(fn): <This>(reducer) => OptionalReducer<To, To>

Type Parameters​

• From

• To

Parameters​

fn​

(value) => To

Returns​

Function

Type Parameters​

• This

Parameters​

reducer​

Readonly<RawOptionalReducerWithoutFinish<From, This>>

Returns​

OptionalReducer<To, To>

Defined in​

reducers.d.ts:492

Call Signature​

mapReducer<From, To>(fn, reducer): OptionalReducer<To, To>

Type Parameters​

• From

• To

Parameters​

fn​

(value) => To

reducer​

FunctionReducer<From>

Returns​

OptionalReducer<To, To>

Defined in​

reducers.d.ts:498

Call Signature​

mapReducer<From, To>(fn): (reducer) => OptionalReducer<To, To>

Type Parameters​

• From

• To

Parameters​

fn​

(value) => To

Returns​

Function

Parameters​

reducer​

FunctionReducer<From>

Returns​

OptionalReducer<To, To>

Defined in​

reducers.d.ts:502