@kurrent/kurrentdb-client/dist/streams/getStreamMetadata.js

KurrentDB gRPC NodeJS Client SDK

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const Client_1 = require("../Client");
const constants_1 = require("../constants");
const utils_1 = require("../utils");
const streamMetadata_1 = require("./utils/streamMetadata");
const systemStreams_1 = require("./utils/systemStreams");
Client_1.Client.prototype.getStreamMetadata = async function (streamName, baseOptions = {}) {
    const metadataStreamName = (0, systemStreams_1.metastreamOf)(streamName);
    utils_1.debug.command("getStreamMetadata: %O", {
        streamName,
        options: baseOptions,
    });
    try {
        let metadataEvent;
        for await (const e of await this.readStream(metadataStreamName, {
            ...baseOptions,
            fromRevision: constants_1.END,
            maxCount: 1,
            direction: constants_1.BACKWARDS,
        })) {
            metadataEvent = e;
        }
        if (!metadataEvent || !metadataEvent.event || !metadataEvent.event.isJson) {
            return { streamName };
        }
        return {
            streamName,
            metadata: (0, streamMetadata_1.readStreamMetadata)(metadataEvent.event.data),
            metastreamRevision: metadataEvent.commitPosition,
        };
    }
    catch (error) {
        if (error instanceof utils_1.StreamNotFoundError) {
            return { streamName };
        }
        throw error;
    }
};
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