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/wp-includes/js/dist/ -> is-shallow-equal.js (source)

   1  (function() {
   2  "use strict";
   3  var wp;
   4  (wp ||= {}).isShallowEqual = (() => {
   5    var __defProp = Object.defineProperty;
   6    var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
   7    var __getOwnPropNames = Object.getOwnPropertyNames;
   8    var __hasOwnProp = Object.prototype.hasOwnProperty;
   9    var __export = (target, all) => {
  10      for (var name in all)
  11        __defProp(target, name, { get: all[name], enumerable: true });
  12    };
  13    var __copyProps = (to, from, except, desc) => {
  14      if (from && typeof from === "object" || typeof from === "function") {
  15        for (let key of __getOwnPropNames(from))
  16          if (!__hasOwnProp.call(to, key) && key !== except)
  17            __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  18      }
  19      return to;
  20    };
  21    var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
  22  
  23    // packages/is-shallow-equal/build-module/index.mjs
  24    var index_exports = {};
  25    __export(index_exports, {
  26      default: () => isShallowEqual,
  27      isShallowEqual: () => isShallowEqual,
  28      isShallowEqualArrays: () => isShallowEqualArrays,
  29      isShallowEqualObjects: () => isShallowEqualObjects
  30    });
  31  
  32    // packages/is-shallow-equal/build-module/objects.mjs
  33    function isShallowEqualObjects(a, b) {
  34      if (a === b) {
  35        return true;
  36      }
  37      const aKeys = Object.keys(a);
  38      const bKeys = Object.keys(b);
  39      if (aKeys.length !== bKeys.length) {
  40        return false;
  41      }
  42      let i = 0;
  43      while (i < aKeys.length) {
  44        const key = aKeys[i];
  45        const aValue = a[key];
  46        if (
  47          // In iterating only the keys of the first object after verifying
  48          // equal lengths, account for the case that an explicit `undefined`
  49          // value in the first is implicitly undefined in the second.
  50          //
  51          // Example: isShallowEqualObjects( { a: undefined }, { b: 5 } )
  52          aValue === void 0 && !b.hasOwnProperty(key) || aValue !== b[key]
  53        ) {
  54          return false;
  55        }
  56        i++;
  57      }
  58      return true;
  59    }
  60  
  61    // packages/is-shallow-equal/build-module/arrays.mjs
  62    function isShallowEqualArrays(a, b) {
  63      if (a === b) {
  64        return true;
  65      }
  66      if (a.length !== b.length) {
  67        return false;
  68      }
  69      for (let i = 0, len = a.length; i < len; i++) {
  70        if (a[i] !== b[i]) {
  71          return false;
  72        }
  73      }
  74      return true;
  75    }
  76  
  77    // packages/is-shallow-equal/build-module/index.mjs
  78    function isShallowEqual(a, b) {
  79      if (a && b) {
  80        if (a.constructor === Object && b.constructor === Object) {
  81          return isShallowEqualObjects(a, b);
  82        } else if (Array.isArray(a) && Array.isArray(b)) {
  83          return isShallowEqualArrays(a, b);
  84        }
  85      }
  86      return a === b;
  87    }
  88    return __toCommonJS(index_exports);
  89  })();
  90  (window.wp ||= {}).isShallowEqual = wp.isShallowEqual;
  91  })();


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