twitch-toolkit/examples/webhook-notifications/node_modules/tmi.js/lib/utils.js

A set of tools to integrate with Twitch API, Twitch Chat and Twitch WebHooks.

var self = module.exports = {
	// Return the second value if the first value is undefined..
	get: (obj1, obj2) => { return typeof obj1 === "undefined" ? obj2 : obj1; },

	// Value is a boolean..
	isBoolean: (obj) => { return typeof(obj) === "boolean"; },

	// Value is a finite number..
	isFinite: (int) => { return isFinite(int) && !isNaN(parseFloat(int)); },

	// Value is an integer..
	isInteger: (int) => { return !isNaN(self.toNumber(int, 0)); },

	// Username is a justinfan username..
	isJustinfan: (username) => { return RegExp("^(justinfan)(\\d+$)", "g").test(username); },

	// Value is null..
	isNull: (obj) => { return obj === null; },

	// Value is a regex..
	isRegex: (str) => { return /[\|\\\^\$\*\+\?\:\#]/.test(str); },

	// Value is a string..
	isString: (str) => { return typeof(str) === "string"; },

	// Value is a valid url..
	isURL: (str) => { return RegExp("^(?:(?:https?|ftp)://)(?:\\S+(?::\\S*)?@)?(?:(?!(?:10|127)(?:\\.\\d{1,3}){3})(?!(?:169\\.254|192\\.168)(?:\\.\\d{1,3}){2})(?!172\\.(?:1[6-9]|2\\d|3[0-1])(?:\\.\\d{1,3}){2})(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}(?:\\.(?:[1-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))|(?:(?:[a-z\\u00a1-\\uffff0-9]-*)*[a-z\\u00a1-\\uffff0-9]+)(?:\\.(?:[a-z\\u00a1-\\uffff0-9]-*)*[a-z\\u00a1-\\uffff0-9]+)*(?:\\.(?:[a-z\\u00a1-\\uffff]{2,}))\\.?)(?::\\d{2,5})?(?:[/?#]\\S*)?$","i").test(str); },

	// Return a random justinfan username..
	justinfan: () => { return `justinfan${Math.floor((Math.random() * 80000) + 1000)}`; },

	// Return a valid password..
	password: (str) => { return str === "SCHMOOPIIE" || "" || null ? "SCHMOOPIIE" : `oauth:${str.toLowerCase().replace("oauth:", "")}`; },

	// Race a promise against a delay..
	promiseDelay: (time) => { return new Promise(function (resolve) { setTimeout(resolve, time); }); },

	// Replace all occurences of a string using an object..
	replaceAll: (str, obj) => {
		if (str === null || typeof str === "undefined") { return null; }
	    for (var x in obj) {
	        str = str.replace(new RegExp(x, "g"), obj[x]);
	    }
	    return str;
	},

	unescapeHtml: (safe) => {
		return safe.replace(/\\&amp\\;/g, "&")
			.replace(/\\&lt\\;/g, "<")
			.replace(/\\&gt\\;/g, ">")
			.replace(/\\&quot\\;/g, "\"")
			.replace(/\\&#039\\;/g, "'");
	},

	// Add word to a string..
	addWord: (line, word) => {
		if (line.length != 0) { line += " "; }
		return (line += word);
	},

	// Return a valid channel name..
	channel: (str) => {
		var channel = typeof str === "undefined" || str === null ? "" : str;
		return channel.charAt(0) === "#" ? channel.toLowerCase() : "#" + channel.toLowerCase();
	},

	// Extract a number from a string..
	extractNumber: (str) => {
		var parts = str.split(" ");
		for (var i = 0; i < parts.length; i++) {
			if (self.isInteger(parts[i])) { return ~~parts[i]; }
		}
		return 0;
	},

	// Format the date..
	formatDate: (date) => {
	    var hours = date.getHours();
	    var mins  = date.getMinutes();

	    hours = (hours < 10 ? "0" : "") + hours;
	    mins = (mins < 10 ? "0" : "") + mins;

	    return `${hours}:${mins}`;
	},

	// Inherit the prototype methods from one constructor into another..
	inherits: (ctor, superCtor) => {
		ctor.super_ = superCtor
	    var TempCtor = function () {};
	    TempCtor.prototype = superCtor.prototype;
	    ctor.prototype = new TempCtor();
	    ctor.prototype.constructor = ctor;
	},

	// Return whether inside a Node application or not..
	isNode: () => {
		try {
			if (module.exports = "object" === typeof process && Object.prototype.toString.call(process) === "[object process]") { return true; }
			return false;
		} catch(e) {
			return false;
		}
	},

	isExtension: () => {
		try {
			if (window.chrome && chrome.runtime && chrome.runtime.id) { return true; }
			return false;
		} catch(e) {
			return false;
		}
	},

	// Merge two objects..
	merge: (obj1, obj2) => {
		for (var p in obj2) {
			try {
				if (obj2[p].constructor == Object) { obj1[p] = self.merge(obj1[p], obj2[p]); }
				else { obj1[p] = obj2[p]; }
			} catch(e) { obj1[p] = obj2[p]; }
		}
		return obj1;
	},

	// Split a line but don't cut a word in half..
	splitLine: (input, length) => {
		var lastSpace = input.substring(0, length).lastIndexOf(" ");
		return [input.substring(0, lastSpace), input.substring(lastSpace + 1)];
	},

	// Parse string to number. Returns NaN if string can't be parsed to number..
	toNumber: (num, precision) => {
		if (num === null) return 0;
		var factor = Math.pow(10, self.isFinite(precision) ? precision : 0);
		return Math.round(num * factor) / factor;
	},

	// Merge two arrays..
	union: (arr1, arr2) => {
		var hash = {};
		var ret = [];
		for(var i=0; i < arr1.length; i++) {
			var e = arr1[i];
			if (!hash[e]) {
				hash[e] = true;
				ret.push(e);
			}
		}
		for(var i=0; i < arr2.length; i++) {
			var e = arr2[i];
			if (!hash[e]) {
				hash[e] = true;
				ret.push(e);
			}
		}
		return ret;
	},

	// Return a valid username..
	username: (str) => {
		var username = typeof str === "undefined" || str === null ? "" : str;
		return username.charAt(0) === "#" ? username.substring(1).toLowerCase() : username.toLowerCase();
	}
}