javascript promise trace helper

helper.js

import { JavaScriptTracer } from "./trace";
import { randomUUID } from "crypto";

function withTracer<A extends any[], P>(
	eventName: string,
	fn: (...args: A) => Promise<P>
) {
	return (...args: A) => {
		let g = randomUUID();

		JavaScriptTracer.startAsync({
			name: eventName,
			args: {
				id2: args[0] as unknown as string
			},
			id2: {
				global: g
			}
		});

		return fn(...args).finally(() => {
			JavaScriptTracer.endAsync({
				name: eventName,
				args: {
					id2: args[0] as unknown as string
				},
				id2: {
					global: g
				}
			});
		});
	};
}