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36 lines
961 B
36 lines
961 B
var baseGetTag = require('./_baseGetTag'), |
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isObjectLike = require('./isObjectLike'), |
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isPlainObject = require('./isPlainObject'); |
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/** `Object#toString` result references. */ |
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var domExcTag = '[object DOMException]', |
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errorTag = '[object Error]'; |
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/** |
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* Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`, |
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* `SyntaxError`, `TypeError`, or `URIError` object. |
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* |
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* @static |
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* @memberOf _ |
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* @since 3.0.0 |
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* @category Lang |
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* @param {*} value The value to check. |
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* @returns {boolean} Returns `true` if `value` is an error object, else `false`. |
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* @example |
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* |
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* _.isError(new Error); |
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* // => true |
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* |
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* _.isError(Error); |
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* // => false |
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*/ |
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function isError(value) { |
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if (!isObjectLike(value)) { |
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return false; |
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} |
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var tag = baseGetTag(value); |
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return tag == errorTag || tag == domExcTag || |
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(typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value)); |
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} |
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module.exports = isError;
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