timing

Measures fn under name for the request that is running (getRequestEvent().timing.measure): the same as event.timing.measure, for code that has no event at hand.

Measures fn under name for the request that is running (getRequestEvent().timing.measure): the same as event.timing.measure, for code that has no event at hand. With serverTiming off it only runs fn.

Import#

import { timing } from "@shadow-js/dusk/server";

Signature#

function timing<T>(name: string, fn: () => T, description?: string): T

Parameters#

Name	Description
`name`	A metric name: a token of 1 to 64 characters that is not `total`, `route`, `loaders` or `render`.
`fn`	The work. A promise is measured until it settles.
`description`	An optional label.

Returns#

What fn returns.

Throws#

Error outside a request; TypeError for an invalid name.

Examples#

import { timing } from "@shadow-js/dusk/server";
const user = await timing("db", () => loadUser(id), "load user");