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

234 lines
6.4 KiB
JavaScript

this["wp"] = this["wp"] || {}; this["wp"]["isShallowEqual"] =
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/************************************************************************/
/******/ ({
/***/ 446:
/***/ (function(module, exports, __webpack_require__) {
"use strict";
/**
* Internal dependencies;
*/
var isShallowEqualObjects = __webpack_require__( 447 );
var isShallowEqualArrays = __webpack_require__( 448 );
var isArray = Array.isArray;
/**
* @typedef {Record<string, any>} ComparableObject
*/
/**
* Returns true if the two arrays or objects are shallow equal, or false
* otherwise.
*
* @param {any[]|ComparableObject} a First object or array to compare.
* @param {any[]|ComparableObject} 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;
/***/ }),
/***/ 447:
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var keys = Object.keys;
/**
* Returns true if the two objects are shallow equal, or false otherwise.
*
* @param {import('.').ComparableObject} a First object to compare.
* @param {import('.').ComparableObject} 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;
/***/ }),
/***/ 448:
/***/ (function(module, exports, __webpack_require__) {
"use strict";
/**
* Returns true if the two arrays are shallow equal, or false otherwise.
*
* @param {any[]} a First array to compare.
* @param {any[]} 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;
/***/ })
/******/ });