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after()

after<In, Out>(hook): Decorator<In, Out>

Creates a decorator that runs a hook after the function executes.

Type Parameters​

In: In​

The input type

Out: Out​

The output type

Parameters​

hook: (input, output) => void​

Function to run after, receives input and output

Returns: Decorator<In, Out>​

A Decorator

Since​

2.4.0

Example​

const withAudit = after<number, number>((input, output) => {
  auditLog.record({ input, output });
});

const double = withAudit((n) => n * 2);
double(5); // returns 10, audit log records { input: 5, output: 10 }