yeelight-awesome/lib/utils.js

The node.js client api to control yeelight device over WIFI

"use strict";
exports.__esModule = true;
exports.Utils = exports.getListIpAddress = exports.hexToNumber = exports.parseDeviceInfo = void 0;
/**
 * Parse the raw socket message to the device information
 * @param {string} message raw HTTP message read from socket when discover the light
 * @returns {IDevice} device info
 */
function parseDeviceInfo(message) {
    // Not found the device
    if (message.indexOf("HTTP/1.1 200 OK") < 0 ||
        message.indexOf("yeelight://") < 0) {
        return null;
    }
    var getString = function (key, defaultValue) {
        if (defaultValue === void 0) { defaultValue = ""; }
        var regex = new RegExp(key + ": ([^\r\n]*)");
        var m = message.match(regex);
        if (m && m.length > 0) {
            return m[1];
        }
        return defaultValue;
    };
    try {
        var device = {};
        device.location = getString("Location");
        device.id = getString("id");
        device.model = getString("model");
        device.version = getString("fw_ver");
        device.capabilities = getString("support").split(" ");
        device.status = getString("power");
        device.bright = parseInt(getString("bright", "0"), 10);
        device.hue = parseInt(getString("hue", "0"), 10);
        device.rgb = parseInt(getString("rgb", "0"), 10);
        device.sat = parseInt(getString("sat", "0"), 10);
        device.mode = parseInt(getString("color_mode", "0"), 10);
        var host = device.location.substr(11);
        device.port = parseInt(host.split(":")[1], 10);
        device.host = host.split(":")[0];
        return device;
    }
    catch (err) {
        return null;
    }
}
exports.parseDeviceInfo = parseDeviceInfo;
/**
 * This function to convert the hex string to the decimal number. Ex AA=> 255
 * @param {string} hex the input as heximal string ex: 12AF32CD
 * @returns {number} the number value of hex string
 */
function hexToNumber(hex) {
    var hexString = hex.toUpperCase();
    var result = 0;
    for (var i = 1; i <= hexString.length; i++) {
        var valueNumber = hexString.charCodeAt(i - 1);
        valueNumber -= (valueNumber >= 65) ? 55 : 48;
        result += valueNumber * Math.pow(16, hex.length - i);
    }
    return result;
}
exports.hexToNumber = hexToNumber;
function getListIpAddress(currentIp, from, to) {
    if (from === void 0) { from = 1; }
    if (to === void 0) { to = 254; }
    var startNumber = parseInt(currentIp.split(".")[3], 10);
    var results = [];
    var before = startNumber;
    var after = startNumber;
    var sub = currentIp.substring(0, currentIp.lastIndexOf("."));
    while (before > from || after < to) {
        before--;
        after++;
        if (before >= from && before > 0) {
            results.push(sub + "." + before);
        }
        if (after <= to && after < 255) {
            results.push(sub + "." + after);
        }
    }
    return results;
}
exports.getListIpAddress = getListIpAddress;
exports.Utils = {
    getListIpAddress: getListIpAddress,
    hexToNumber: hexToNumber,
    parseDeviceInfo: parseDeviceInfo
};
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