Documentation / @agentick/kernel / mapStream

Function: mapStream()

mapStream<T, R>(stream, mapper): AsyncIterable<R>

Defined in: kernel/src/stream.ts:48

Transform items in an async stream using a mapper function.

Preserves the current execution context through all iterations.

Type Parameters

T

T

Input item type

R

R

Output item type

Parameters

stream

AsyncIterable<T>

Source async iterable

mapper

(item) => R | Promise<R>

Function to transform each item

Returns

AsyncIterable<R>

Async iterable of transformed items

Examples

const numbers = getNumberStream();
const doubled = mapStream(numbers, (n) => n * 2);
for await (const n of doubled) {
  console.log(n);
}

const users = mapStream(userIds, async (id) => {
  return await fetchUser(id);
});