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24 lines
567 B
Text
24 lines
567 B
Text
'use strict';
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var numToStr = Number.prototype.toString;
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var tryNumberObject = function tryNumberObject(value) {
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try {
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numToStr.call(value);
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return true;
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} catch (e) {
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return false;
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}
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};
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var toStr = Object.prototype.toString;
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var numClass = '[object Number]';
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var hasToStringTag = require('has-tostringtag/shams')();
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module.exports = function isNumberObject(value) {
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if (typeof value === 'number') {
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return true;
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}
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if (typeof value !== 'object') {
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return false;
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}
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return hasToStringTag ? tryNumberObject(value) : toStr.call(value) === numClass;
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};
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