nestjs-otel/lib/tracing/decorators/traceable.js

NestJS OpenTelemetry Library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Traceable = Traceable;
const span_1 = require("./span");
/**
 * Decorator that applies the @Span decorator to all methods of a class.
 *
 * @param options SpanOptions to be applied to all methods
 */
function Traceable(options) {
    return (target) => {
        for (const propertyKey of Object.getOwnPropertyNames(target.prototype)) {
            if (propertyKey === "constructor") {
                continue;
            }
            const descriptor = Object.getOwnPropertyDescriptor(target.prototype, propertyKey);
            if (descriptor && typeof descriptor.value === "function") {
                // Apply Span decorator
                // Span() returns a decorator function: (target, propertyKey, descriptor) => void
                (0, span_1.Span)(options)(target.prototype, propertyKey, descriptor);
                // Re-define the property with the modified descriptor
                Object.defineProperty(target.prototype, propertyKey, descriptor);
            }
        }
    };
}