@langchain/core/dist/tracers/run_collector.cjs

Core LangChain.js abstractions and schemas

const require_rolldown_runtime = require('../_virtual/rolldown_runtime.cjs');
const require_tracers_base = require('./base.cjs');

//#region src/tracers/run_collector.ts
var run_collector_exports = {};
require_rolldown_runtime.__export(run_collector_exports, { RunCollectorCallbackHandler: () => RunCollectorCallbackHandler });
/**
* A callback handler that collects traced runs and makes it easy to fetch the traced run object from calls through any langchain object.
* For instance, it makes it easy to fetch the run ID and then do things with that, such as log feedback.
*/
var RunCollectorCallbackHandler = class extends require_tracers_base.BaseTracer {
	/** The name of the callback handler. */
	name = "run_collector";
	/** The ID of the example. */
	exampleId;
	/** An array of traced runs. */
	tracedRuns;
	/**
	* Creates a new instance of the RunCollectorCallbackHandler class.
	* @param exampleId The ID of the example.
	*/
	constructor({ exampleId } = {}) {
		super({ _awaitHandler: true });
		this.exampleId = exampleId;
		this.tracedRuns = [];
	}
	/**
	* Persists the given run object.
	* @param run The run object to persist.
	*/
	async persistRun(run) {
		const run_ = { ...run };
		run_.reference_example_id = this.exampleId;
		this.tracedRuns.push(run_);
	}
};

//#endregion
exports.RunCollectorCallbackHandler = RunCollectorCallbackHandler;
Object.defineProperty(exports, 'run_collector_exports', {
  enumerable: true,
  get: function () {
    return run_collector_exports;
  }
});
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