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