chatRedux/backend/node_modules/engine.io-parser/build/cjs/index.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.decodePayload = exports.decodePacket = exports.encodePayload = exports.encodePacket = exports.protocol = void 0;
const encodePacket_js_1 = require("./encodePacket.js");
exports.encodePacket = encodePacket_js_1.default;
const decodePacket_js_1 = require("./decodePacket.js");
exports.decodePacket = decodePacket_js_1.default;
const SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text
const encodePayload = (packets, callback) => {
    // some packets may be added to the array while encoding, so the initial length must be saved
    const length = packets.length;
    const encodedPackets = new Array(length);
    let count = 0;
    packets.forEach((packet, i) => {
        // force base64 encoding for binary packets
        (0, encodePacket_js_1.default)(packet, false, encodedPacket => {
            encodedPackets[i] = encodedPacket;
            if (++count === length) {
                callback(encodedPackets.join(SEPARATOR));
            }
        });
    });
};
exports.encodePayload = encodePayload;
const decodePayload = (encodedPayload, binaryType) => {
    const encodedPackets = encodedPayload.split(SEPARATOR);
    const packets = [];
    for (let i = 0; i < encodedPackets.length; i++) {
        const decodedPacket = (0, decodePacket_js_1.default)(encodedPackets[i], binaryType);
        packets.push(decodedPacket);
        if (decodedPacket.type === "error") {
            break;
        }
    }
    return packets;
};
exports.decodePayload = decodePayload;
exports.protocol = 4;