import { typeOf } from "blackcat.js-utils";

console.log(typeOf(null));              // "null"
console.log(typeOf(undefined));         // "undefined"
console.log(typeOf(NaN));               // "NaN"
console.log(typeOf(123));               // "number"
console.log(typeOf("Hello"));           // "string"
console.log(typeOf(true));              // "boolean"
console.log(typeOf(Symbol("test")));    // "symbol"
console.log(typeOf(BigInt(10)));        // "bigint"
console.log(typeOf([]));                // "Array"
console.log(typeOf({}));                // "Object"
console.log(typeOf(new Map()));         // "Map"
console.log(typeOf(new Set()));         // "Set"
console.log(typeOf(new Date()));        // "Date"
console.log(typeOf(/regex/));           // "RegExp"
console.log(typeOf(() => {}));          // "Function"
console.log(typeOf(class MyClass {}));  // "Function"
console.log(typeOf(new (class MyClass {}))); // "MyClass"

import { isNumber } from "blackcat.js-utils";


console.log(isNumber(123));           // true
console.log(isNumber(0));             // true
console.log(isNumber(-1.23));         // true
console.log(isNumber(NaN));           // false
console.log(isNumber("123"));         // false
console.log(isNumber(""));            // false
console.log(isNumber([]));            // false
console.log(isNumber({}));            // false
console.log(isNumber(new Number(456))); // false (vì đây là object)
console.log(isNumber(null));          // false
console.log(isNumber(undefined));     // false
console.log(isNumber(Infinity));      // true
console.log(isNumber(-Infinity));     // true

import { isObject } from "blackcat.js-utils";

console.log(isObject({}));               // true
console.log(isObject({ key: "value" })); // true
console.log(isObject(new Object()));     // true
console.log(isObject([]));               // false
console.log(isObject(null));             // false
console.log(isObject(undefined));        // false
console.log(isObject(123));              // false
console.log(isObject("string"));         // false
console.log(isObject(new Date()));       // true (Date là object)
console.log(isObject(new Map()));        // true (Map là object)
console.log(isObject(new Set()));        // true (Set là object)
console.log(isObject(() => {}));         // false (function không phải object)

import { Emitter } from "blackcat.js-utils";

interface Events {
    hello: [content: string]
}

const events = new Emitter<Events>();

events.on("hello", (test) => {
    console.log(test);
});

events.emit("hello", "test");