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@johngw/stream

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Reactive programming tools using the WHATWG Streams API.

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/** * Transforms chunks from one value to another. * * @group Transformers * @example * ``` * --1----2----3----4----| * * map((x) => x + 1) * * --2----3----4----5----| * ``` */ export declare function map<I, O>(fn: (x: I) => O | Promise<O>): TransformStream<I, O>;