External module "transforms/map"

map

• map<S, T>(f: function): Transform<S, T>

• Returns a Transform with the results of applying the given function to each emitted item of the original observable.

  Type parameters

  • S

    Type of items emitted by the original observable.

  • T

    Type of items returned by f.

  Parameters

  • f: function

    Function called with each emitted item. If it returns a promise, the result is awaited then emitted.

    • • (x: S): T | Promise<T>

      • Parameters

        • x: S

        Returns T | Promise<T>

  Returns Transform<S, T>

  Transform that emits items produced by f.