autotel/dist/decorators.js

Write Once, Observe Anywhere

import { getConfig } from "./config.js";
import { p as createTraceContext } from "./track-COUuU48p.js";
import { SpanStatusCode } from "@opentelemetry/api";

//#region src/decorators.ts
function Trace(nameOrOptions, maybeOptions) {
	const name = typeof nameOrOptions === "string" ? nameOrOptions : nameOrOptions?.name;
	return function(originalMethod, context) {
		const methodName = String(context.name);
		const methodStr = originalMethod?.toString() || "";
		if (!(originalMethod && (originalMethod.constructor?.name === "AsyncFunction" || methodStr.trim().startsWith("async ") || methodStr.includes("[native code]") && methodStr.includes("async") || /async\s+/.test(methodStr)))) return originalMethod;
		const spanName = name || methodName;
		return async function(...args) {
			return getConfig().tracer.startActiveSpan(spanName, async (span) => {
				try {
					const ctx = createTraceContext(span);
					const originalCtx = this.ctx;
					try {
						this.ctx = ctx;
						const result = await originalMethod.apply(this, args);
						span.setStatus({ code: SpanStatusCode.OK });
						return result;
					} finally {
						if (originalCtx === void 0) delete this.ctx;
						else this.ctx = originalCtx;
					}
				} catch (error) {
					span.setStatus({
						code: SpanStatusCode.ERROR,
						message: error instanceof Error ? error.message : "Unknown error"
					});
					span.recordException(error instanceof Error ? error : new Error(String(error)));
					throw error;
				} finally {
					span.end();
				}
			});
		};
	};
}

//#endregion
export { Trace };
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