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

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var __webpack_exports__ = {};
// ESM COMPAT FLAG
__webpack_require__.r(__webpack_exports__);

// EXPORTS
__webpack_require__.d(__webpack_exports__, {
  "default": () => (/* binding */ isShallowEqual),
  isShallowEqualArrays: () => (/* reexport */ isShallowEqualArrays),
  isShallowEqualObjects: () => (/* reexport */ isShallowEqualObjects)
});

;// ./node_modules/@wordpress/is-shallow-equal/build-module/objects.js
/**
 * 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) {
  if (a === b) {
    return true;
  }
  const aKeys = Object.keys(a);
  const bKeys = Object.keys(b);
  if (aKeys.length !== bKeys.length) {
    return false;
  }
  let i = 0;
  while (i < aKeys.length) {
    const key = aKeys[i];
    const 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;
}

;// ./node_modules/@wordpress/is-shallow-equal/build-module/arrays.js
/**
 * 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) {
  if (a === b) {
    return true;
  }
  if (a.length !== b.length) {
    return false;
  }
  for (let i = 0, len = a.length; i < len; i++) {
    if (a[i] !== b[i]) {
      return false;
    }
  }
  return true;
}

;// ./node_modules/@wordpress/is-shallow-equal/build-module/index.js
/**
 * Internal dependencies
 */





/**
 * @typedef {Record<string, any>} ComparableObject
 */

/**
 * Returns true if the two arrays or objects are shallow equal, or false
 * otherwise. Also handles primitive values, just in case.
 *
 * @param {unknown} a First object or array to compare.
 * @param {unknown} 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 (Array.isArray(a) && Array.isArray(b)) {
      return isShallowEqualArrays(a, b);
    }
  }
  return a === b;
}

(window.wp = window.wp || {}).isShallowEqual = __webpack_exports__;
/******/ })()
;