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29 lines
685 B
JavaScript
29 lines
685 B
JavaScript
/** Used to check objects for own properties. */
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const hasOwnProperty = Object.prototype.hasOwnProperty
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/**
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* Checks if `key` is a direct property of `object`.
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*
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* @since 0.1.0
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* @category Object
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* @param {Object} object The object to query.
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* @param {string} key The key to check.
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* @returns {boolean} Returns `true` if `key` exists, else `false`.
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* @see hasIn, hasPath, hasPathIn
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* @example
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*
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* const object = { 'a': { 'b': 2 } }
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* const other = create({ 'a': create({ 'b': 2 }) })
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*
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* has(object, 'a')
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* // => true
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*
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* has(other, 'a')
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* // => false
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*/
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function has(object, key) {
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return object != null && hasOwnProperty.call(object, key)
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}
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export default has
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