@configurator/ravendb/dist/Utility/StreamUtil.js

RavenDB client for Node.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.printStreamTraffic = exports.stringToReadable = exports.bufferToReadable = exports.readToEnd = exports.readToBuffer = exports.reduceStreamToPromise = exports.pipelineAsync = exports.finishedAsync = void 0;
const stream = require("readable-stream");
const promisify = require("util.promisify");
exports.finishedAsync = promisify(stream.finished);
exports.pipelineAsync = promisify(stream.pipeline);
function reduceStreamToPromise(readable, dataCallback, seed) {
    if (dataCallback) {
        readable.on("data", data => seed = dataCallback(seed, data));
    }
    return (0, exports.finishedAsync)(readable)
        .then(() => seed);
}
exports.reduceStreamToPromise = reduceStreamToPromise;
async function readToBuffer(stream) {
    const chunks = [];
    stream
        .on("data", data => chunks.push(data));
    await (0, exports.finishedAsync)(stream);
    return Buffer.concat(chunks);
}
exports.readToBuffer = readToBuffer;
async function readToEnd(readable) {
    const chunks = [];
    readable.on("data", chunk => chunks.push(chunk));
    await (0, exports.finishedAsync)(readable);
    return Buffer.concat(chunks).toString('utf-8');
}
exports.readToEnd = readToEnd;
function bufferToReadable(b) {
    const result = new stream.Readable();
    result.push(b);
    result.push(null);
    return result;
}
exports.bufferToReadable = bufferToReadable;
function stringToReadable(s) {
    const result = new stream.Readable();
    result.push(s);
    result.push(null);
    return result;
}
exports.stringToReadable = stringToReadable;
function printStreamTraffic(str) {
    str.on("data", d => console.log("READ", d.toString()));
    const orgWrite = str.write;
    str.write = (...args) => {
        console.log("WRITE", args[0]);
        return orgWrite.call(str, ...args);
    };
}
exports.printStreamTraffic = printStreamTraffic;
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