tradingview-scraper/dist/utils/SIOProtocol.js

A gateway to TradingView's data for your Node.js application!

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createMessage = exports.prependHeader = exports.parseMessages = void 0;
var parseMessages = function (str) {
    var packets = [];
    while (str.length > 0) {
        var x = /~m~(\d+)~m~/.exec(str);
        if (!x || x.length < 2) {
            throw new Error('Invalid Socket.IO packet');
        }
        var packet = str.slice(x[0].length, x[0].length + parseInt(x[1], 10));
        if (packet.slice(0, 3) !== '~h~') {
            packets.push({ isKeepAlive: false, data: JSON.parse(packet) });
        }
        else {
            packets.push({ isKeepAlive: true, data: packet.slice(3) });
        }
        str.slice(0, x[0].length);
        str = str.slice(x[0].length + parseInt(x[1], 10));
    }
    return packets;
};
exports.parseMessages = parseMessages;
var prependHeader = function (str) {
    return '~m~' + str.length + '~m~' + str;
};
exports.prependHeader = prependHeader;
var createMessage = function (func, paramList) {
    return (0, exports.prependHeader)(constructMessage(func, paramList));
};
exports.createMessage = createMessage;
var constructMessage = function (func, paramList) {
    return JSON.stringify({
        m: func,
        p: paramList
    });
};
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