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Last change
on this file was 9af201e, checked in by MBK <marija.karapandzova@…>, 11 days ago |
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Fix frontend appearance
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Property mode
set to
100644
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File size:
961 bytes
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| 1 | var baseGetTag = require('./_baseGetTag'),
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| 2 | isObjectLike = require('./isObjectLike'),
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| 3 | isPlainObject = require('./isPlainObject');
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| 4 |
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| 5 | /** `Object#toString` result references. */
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| 6 | var domExcTag = '[object DOMException]',
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| 7 | errorTag = '[object Error]';
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| 8 |
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| 9 | /**
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| 10 | * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
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| 11 | * `SyntaxError`, `TypeError`, or `URIError` object.
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| 12 | *
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| 13 | * @static
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| 14 | * @memberOf _
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| 15 | * @since 3.0.0
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| 16 | * @category Lang
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| 17 | * @param {*} value The value to check.
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| 18 | * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
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| 19 | * @example
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| 20 | *
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| 21 | * _.isError(new Error);
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| 22 | * // => true
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| 23 | *
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| 24 | * _.isError(Error);
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| 25 | * // => false
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| 26 | */
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| 27 | function isError(value) {
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| 28 | if (!isObjectLike(value)) {
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| 29 | return false;
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| 30 | }
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| 31 | var tag = baseGetTag(value);
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| 32 | return tag == errorTag || tag == domExcTag ||
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| 33 | (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
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| 34 | }
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| 35 |
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| 36 | module.exports = isError;
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