in src/annotations/index.ts [22:42]
export function trace(op?: string) {
return (target: any, key: string, descriptor?: PropertyDescriptor) => {
if (descriptor === undefined) {
return;
}
const original = descriptor.value;
descriptor.value = function (...args: any[]) {
const span = ContextManager.current.newLocalSpan(op || key);
span.start();
const result = original.apply(this, args);
span.stop();
return result;
};
};
}