Last change
on this file since 76712b2 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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[6a3a178] | 1 | var baseIsArguments = require('./_baseIsArguments'),
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| 2 | isObjectLike = require('./isObjectLike');
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| 3 |
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| 4 | /** Used for built-in method references. */
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| 5 | var objectProto = Object.prototype;
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| 6 |
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| 7 | /** Used to check objects for own properties. */
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| 8 | var hasOwnProperty = objectProto.hasOwnProperty;
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| 9 |
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| 10 | /** Built-in value references. */
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| 11 | var propertyIsEnumerable = objectProto.propertyIsEnumerable;
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| 12 |
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| 13 | /**
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| 14 | * Checks if `value` is likely an `arguments` object.
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| 15 | *
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| 16 | * @static
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| 17 | * @memberOf _
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| 18 | * @since 0.1.0
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| 19 | * @category Lang
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| 20 | * @param {*} value The value to check.
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| 21 | * @returns {boolean} Returns `true` if `value` is an `arguments` object,
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| 22 | * else `false`.
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| 23 | * @example
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| 24 | *
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| 25 | * _.isArguments(function() { return arguments; }());
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| 26 | * // => true
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| 27 | *
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| 28 | * _.isArguments([1, 2, 3]);
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| 29 | * // => false
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| 30 | */
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| 31 | var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
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| 32 | return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
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| 33 | !propertyIsEnumerable.call(value, 'callee');
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| 34 | };
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| 35 |
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| 36 | module.exports = isArguments;
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