@langchain/core
Version:
Core LangChain.js abstractions and schemas
51 lines (50 loc) • 1.76 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.RunCollectorCallbackHandler = void 0;
const base_js_1 = require("./base.cjs");
/**
* 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.
*/
class RunCollectorCallbackHandler extends base_js_1.BaseTracer {
/**
* Creates a new instance of the RunCollectorCallbackHandler class.
* @param exampleId The ID of the example.
*/
constructor({ exampleId } = {}) {
super({ _awaitHandler: true });
/** The name of the callback handler. */
Object.defineProperty(this, "name", {
enumerable: true,
configurable: true,
writable: true,
value: "run_collector"
});
/** The ID of the example. */
Object.defineProperty(this, "exampleId", {
enumerable: true,
configurable: true,
writable: true,
value: void 0
});
/** An array of traced runs. */
Object.defineProperty(this, "tracedRuns", {
enumerable: true,
configurable: true,
writable: true,
value: void 0
});
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_);
}
}
exports.RunCollectorCallbackHandler = RunCollectorCallbackHandler;