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Rich Trott
f44969a5ab
We have been stalled on ESLint 3.8.0 for some time. Current ESLint is 3.13.0. We have been unable to upgrade because of more aggressive reporting on some rules, including indentation. ESLint configuration options and bugfixes are now such that we can reasonably upgrade. PR-URL: https://github.com/nodejs/node/pull/10561 Reviewed-By: Teddy Katz <teddy.katz@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
37 lines
961 B
JavaScript
37 lines
961 B
JavaScript
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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