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The Wayback Machine - https://web.archive.org/web/20201220221351/https://github.com/lodash/lodash/blob/master/isError.js
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import getTag from './.internal/getTag.js'
import isObjectLike from './isObjectLike.js'
import isPlainObject from './isPlainObject.js'
/**
* Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
* `SyntaxError`, `TypeError`, or `URIError` object.
*
* @since 3.0.0
* @category Lang
* @param {* } value The value to check.
* @returns {boolean } Returns `true` if `value` is an error object, else `false`.
* @example
*
* isError(new Error)
* // => true
*
* isError(Error)
* // => false
*/
function isError ( value ) {
if ( !isObjectLike ( value ) ) {
return false
}
const tag = getTag ( value )
return tag == '[object Error]' || tag == '[object DOMException]' ||
( typeof value . message === 'string' && typeof value . name === 'string' && !isPlainObject ( value ) )
}
export default isError
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