lyblog/wp-includes/js/dist/is-shallow-equal.js

this["wp"] = this["wp"] || {}; this["wp"]["isShallowEqual"] =
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/***/ 327:
/***/ (function(module, exports, __webpack_require__) {

"use strict";


/**
 * Internal dependencies;
 */
var isShallowEqualObjects = __webpack_require__( 328 );
var isShallowEqualArrays = __webpack_require__( 329 );

var isArray = Array.isArray;

/**
 * Returns true if the two arrays or objects are shallow equal, or false
 * otherwise.
 *
 * @param {(Array|Object)} a First object or array to compare.
 * @param {(Array|Object)} b Second object or array to compare.
 *
 * @return {boolean} Whether the two values are shallow equal.
 */
function isShallowEqual( a, b ) {
	if ( a && b ) {
		if ( a.constructor === Object && b.constructor === Object ) {
			return isShallowEqualObjects( a, b );
		} else if ( isArray( a ) && isArray( b ) ) {
			return isShallowEqualArrays( a, b );
		}
	}

	return a === b;
}

module.exports = isShallowEqual;
module.exports.isShallowEqualObjects = isShallowEqualObjects;
module.exports.isShallowEqualArrays = isShallowEqualArrays;


/***/ }),

/***/ 328:
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var keys = Object.keys;

/**
 * Returns true if the two objects are shallow equal, or false otherwise.
 *
 * @param {Object} a First object to compare.
 * @param {Object} b Second object to compare.
 *
 * @return {boolean} Whether the two objects are shallow equal.
 */
function isShallowEqualObjects( a, b ) {
	var aKeys, bKeys, i, key, aValue;

	if ( a === b ) {
		return true;
	}

	aKeys = keys( a );
	bKeys = keys( b );

	if ( aKeys.length !== bKeys.length ) {
		return false;
	}

	i = 0;

	while ( i < aKeys.length ) {
		key = aKeys[ i ];
		aValue = a[ key ];

		if (
			// In iterating only the keys of the first object after verifying
			// equal lengths, account for the case that an explicit `undefined`
			// value in the first is implicitly undefined in the second.
			//
			// Example: isShallowEqualObjects( { a: undefined }, { b: 5 } )
			( aValue === undefined && ! b.hasOwnProperty( key ) ) ||
			aValue !== b[ key ]
		) {
			return false;
		}

		i++;
	}

	return true;
}

module.exports = isShallowEqualObjects;


/***/ }),

/***/ 329:
/***/ (function(module, exports, __webpack_require__) {

"use strict";


/**
 * Returns true if the two arrays are shallow equal, or false otherwise.
 *
 * @param {Array} a First array to compare.
 * @param {Array} b Second array to compare.
 *
 * @return {boolean} Whether the two arrays are shallow equal.
 */
function isShallowEqualArrays( a, b ) {
	var i;

	if ( a === b ) {
		return true;
	}

	if ( a.length !== b.length ) {
		return false;
	}

	for ( i = 0; i < a.length; i++ ) {
		if ( a[ i ] !== b[ i ] ) {
			return false;
		}
	}

	return true;
}

module.exports = isShallowEqualArrays;


/***/ })

/******/ });