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29 lines
698 B
29 lines
698 B
'use strict'; |
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var callBound = require('call-bound'); |
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var $numToStr = callBound('Number.prototype.toString'); |
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/** @type {import('.')} */ |
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var tryNumberObject = function tryNumberObject(value) { |
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try { |
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$numToStr(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 $toString = callBound('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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/** @type {import('.')} */ |
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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 (!value || typeof value !== 'object') { |
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return false; |
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} |
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return hasToStringTag ? tryNumberObject(value) : $toString(value) === numClass; |
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};
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