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24 lines
560 B
24 lines
560 B
'use strict'; |
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var strValue = String.prototype.valueOf; |
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var tryStringObject = function tryStringObject(value) { |
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try { |
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strValue.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 strClass = '[object String]'; |
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var hasToStringTag = require('has-tostringtag/shams')(); |
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module.exports = function isString(value) { |
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if (typeof value === 'string') { |
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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 ? tryStringObject(value) : toStr.call(value) === strClass; |
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};
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