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Function: toMinBy()

toMinBy<Value>(fn): OptionalReducer<Value>

Returns an optional reducer that finds the minimum value of the values it receives based on the fn Compare function.

Use when composing reducers. Prefer minBy for direct use on iterables.

Type Parameters​

• Value

Parameters​

• fn: Compare<Value>

Returns​

OptionalReducer<Value>

Example​

console.log(
  pipe(
    [`sloth`, `more sloth`, `sleep`, `some sloth`],
    map(string => [string.length, string]),
    reduce(toGrouped(toMinBy((s1, s2) => s1.localeCompare(s2)), toMap())),
  ),
)
//=> Map(2) { 5 => 'sleep', 10 => 'more sloth' }

Defined in​

statistics.d.ts:321