@kurrent/kurrentdb-client/dist/streams/appendToStream/multiStreamAppend.js

KurrentDB gRPC NodeJS Client SDK

"use strict";
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      desc = { enumerable: true, get: function() { return m[k]; } };
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}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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    };
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        if (mod && mod.__esModule) return mod;
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        __setModuleDefault(result, mod);
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var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.multiStreamAppend = void 0;
const streams_grpc_pb_1 = __importDefault(require("../../../generated/kurrentdb/protocols/v2/streams/streams_grpc_pb"));
const streams_pb_1 = __importStar(require("../../../generated/kurrentdb/protocols/v2/streams/streams_pb"));
const utils_1 = require("../../utils");
const multiStreamAppend = async function (requests) {
    for (const request of requests) {
        for (const event of request.events) {
            const { metadata } = event;
            if (metadata == null)
                continue;
            if (metadata.constructor === Uint8Array ||
                typeof metadata !== "object" ||
                Array.isArray(metadata) ||
                Object.values(metadata).some((value) => typeof value !== "string")) {
                throw new Error("multiStreamAppend requires metadata to be a plain object with string keys and string values.");
            }
        }
    }
    return this.execute(streams_grpc_pb_1.default.StreamsServiceClient, "multiStreamAppend", (client) => new Promise(async (resolve, reject) => {
        const sink = client.appendSession(...this.callArguments({
            requiresLeader: false,
        }), (error, response) => {
            if (error != null) {
                return reject((0, utils_1.convertToCommandError)(error));
            }
            const successes = [];
            for (const success of response.getOutputList()) {
                successes.push({
                    streamName: success.getStream(),
                    revision: BigInt(success.getStreamRevision()),
                });
            }
            return resolve({
                position: BigInt(response.getPosition()),
                responses: successes,
            });
        });
        sink.on("error", (err) => reject(err));
        for (const request of requests) {
            const message = new streams_pb_1.default.AppendRequest();
            message.setStream(request.streamName);
            switch (request.expectedState) {
                case "any": {
                    message.setExpectedRevision((-2).toString(10));
                    break;
                }
                case "no_stream": {
                    message.setExpectedRevision((-1).toString(10));
                    break;
                }
                case "stream_exists": {
                    message.setExpectedRevision((-4).toString(10));
                    break;
                }
                default: {
                    message.setExpectedRevision(request.expectedState.toString(10));
                    break;
                }
            }
            for (const event of request.events) {
                const record = new streams_pb_1.default.AppendRecord();
                record.setRecordId(event.id);
                const schemaInfo = new streams_pb_1.SchemaInfo();
                schemaInfo.setFormat((0, utils_1.convertToSchemaDataFormat)(event.contentType));
                schemaInfo.setName(event.type);
                record.setSchema(schemaInfo);
                if (event.metadata) {
                    const metadataMap = (0, utils_1.mapToValueMap)(event.metadata);
                    for (const [key, value] of metadataMap) {
                        record.getPropertiesMap().set(key, value);
                    }
                }
                switch (event.contentType) {
                    case "application/json": {
                        const data = JSON.stringify(event.data);
                        record.setData(Buffer.from(data, "utf8").toString("base64"));
                        break;
                    }
                    case "application/octet-stream": {
                        record.setData(event.data);
                        break;
                    }
                }
                message.addRecords(record);
            }
            await (0, utils_1.backpressuredWrite)(sink, message);
        }
        sink.end();
    }));
};
exports.multiStreamAppend = multiStreamAppend;
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