Function tap

tap<T>(fn): TransformStream<T, T>
Subscribe to chunks in the stream, immediately passing any chunks on to the pipe.
Type Parameters
- T
Parameters
- fn: ((chunk) => unknown)
  - - (chunk): unknown
    - Parameters
      chunk: T
      Returns unknown
Returns TransformStream<T, T>
Example
```
--1--2--3--4--5--6--

tap(chunk => console.info(x))

--1--2--3--4--5--6--
```
- Defined in packages/stream/src/transformers/tap.ts:15

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