tenebrous-dicebot/api/node_modules/is-number-object/index.js

25 lines
585 B
JavaScript

'use strict';
var numToStr = Number.prototype.toString;
var tryNumberObject = function tryNumberObject(value) {
try {
numToStr.call(value);
return true;
} catch (e) {
return false;
}
};
var toStr = Object.prototype.toString;
var numClass = '[object Number]';
var hasToStringTag = typeof Symbol === 'function' && !!Symbol.toStringTag;
module.exports = function isNumberObject(value) {
if (typeof value === 'number') {
return true;
}
if (typeof value !== 'object') {
return false;
}
return hasToStringTag ? tryNumberObject(value) : toStr.call(value) === numClass;
};