Lobashov_Ivan_PIBD-21_IP/Lab2/node_modules/which-boxed-primitive/index.js
2024-01-10 22:39:31 +04:00

31 lines
691 B
JavaScript

'use strict';
var isString = require('is-string');
var isNumber = require('is-number-object');
var isBoolean = require('is-boolean-object');
var isSymbol = require('is-symbol');
var isBigInt = require('is-bigint');
// eslint-disable-next-line consistent-return
module.exports = function whichBoxedPrimitive(value) {
// eslint-disable-next-line eqeqeq
if (value == null || (typeof value !== 'object' && typeof value !== 'function')) {
return null;
}
if (isString(value)) {
return 'String';
}
if (isNumber(value)) {
return 'Number';
}
if (isBoolean(value)) {
return 'Boolean';
}
if (isSymbol(value)) {
return 'Symbol';
}
if (isBigInt(value)) {
return 'BigInt';
}
};