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31 lines
1.2 KiB
31 lines
1.2 KiB
2 years ago
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'use strict';
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var DESCRIPTORS = require('../internals/descriptors');
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var fails = require('../internals/fails');
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var anObject = require('../internals/an-object');
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var create = require('../internals/object-create');
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var normalizeStringArgument = require('../internals/normalize-string-argument');
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var nativeErrorToString = Error.prototype.toString;
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var INCORRECT_TO_STRING = fails(function () {
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if (DESCRIPTORS) {
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// Chrome 32- incorrectly call accessor
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// eslint-disable-next-line es/no-object-defineproperty -- safe
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var object = create(Object.defineProperty({}, 'name', { get: function () {
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return this === object;
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} }));
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if (nativeErrorToString.call(object) !== 'true') return true;
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}
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// FF10- does not properly handle non-strings
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return nativeErrorToString.call({ message: 1, name: 2 }) !== '2: 1'
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// IE8 does not properly handle defaults
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|| nativeErrorToString.call({}) !== 'Error';
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});
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module.exports = INCORRECT_TO_STRING ? function toString() {
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var O = anObject(this);
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var name = normalizeStringArgument(O.name, 'Error');
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var message = normalizeStringArgument(O.message);
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return !name ? message : !message ? name : name + ': ' + message;
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} : nativeErrorToString;
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