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Function: map()

Returns an iterable containing the values of iterable transformed by fn in iteration order.

Like Array.prototype.map, but for iterables.

Example​

console.log(
  pipe(
    [`sloth`, `more sloth`, `even more sloth`],
    map(string => string.length),
    reduce(toArray()),
  ),
)
//=> [ 5, 10, 15 ]

map(fn)​

map<From, To>(fn): (iterable) => Iterable<To, any, any>

Returns an iterable containing the values of iterable transformed by fn in iteration order.

Like Array.prototype.map, but for iterables.

Type Parameters​

• From

• To

Parameters​

• fn

Returns​

Function

Parameters​

• iterable: Iterable<From, any, any>

Returns​

Iterable<To, any, any>

Example​

console.log(
  pipe(
    [`sloth`, `more sloth`, `even more sloth`],
    map(string => string.length),
    reduce(toArray()),
  ),
)
//=> [ 5, 10, 15 ]

Defined in​

transforms.d.ts:25

map(fn, iterable)​

map<From, To>(fn, iterable): Iterable<To, any, any>

Returns an iterable containing the values of iterable transformed by fn in iteration order.

Like Array.prototype.map, but for iterables.

Type Parameters​

• From

• To

Parameters​

• fn

• iterable: Iterable<From, any, any>

Returns​

Iterable<To, any, any>

Example​

console.log(
  pipe(
    [`sloth`, `more sloth`, `even more sloth`],
    map(string => string.length),
    reduce(toArray()),
  ),
)
//=> [ 5, 10, 15 ]

Defined in​

transforms.d.ts:28