29 lines
792 B
JavaScript
29 lines
792 B
JavaScript
var Symbol = require('./_Symbol'),
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getRawTag = require('./_getRawTag'),
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objectToString = require('./_objectToString');
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/** `Object#toString` result references. */
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var nullTag = '[object Null]',
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undefinedTag = '[object Undefined]';
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/** Built-in value references. */
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var symToStringTag = Symbol ? Symbol.toStringTag : undefined;
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/**
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* The base implementation of `getTag` without fallbacks for buggy environments.
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*
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* @private
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* @param {*} value The value to query.
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* @returns {string} Returns the `toStringTag`.
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*/
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function baseGetTag(value) {
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if (value == null) {
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return value === undefined ? undefinedTag : nullTag;
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}
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return (symToStringTag && symToStringTag in Object(value))
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? getRawTag(value)
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: objectToString(value);
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}
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module.exports = baseGetTag;
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