GT2/GT2-iOS/node_modules/lodash-es/isError.js

37 lines
959 B
JavaScript

import baseGetTag from './_baseGetTag.js';
import isObjectLike from './isObjectLike.js';
import isPlainObject from './isPlainObject.js';
/** `Object#toString` result references. */
var domExcTag = '[object DOMException]',
errorTag = '[object Error]';
/**
* Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
* `SyntaxError`, `TypeError`, or `URIError` object.
*
* @static
* @memberOf _
* @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;
}
var tag = baseGetTag(value);
return tag == errorTag || tag == domExcTag ||
(typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
}
export default isError;