@naverpay/vanilla-store/dist/cjs/shallowEqual.js

  

"use strict";
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
function is(x, y) {
  return x === y && (x !== 0 || 1 / x === 1 / y) || x !== x && y !== y;
}
const objectIs = typeof Object.is === "function" ? Object.is : is;
function shallowEqual(a, b) {
  if (objectIs(a, b)) {
    return true;
  }
  if (typeof a !== "object" || a === null || typeof b !== "object" || b === null) {
    return false;
  }
  const keysA = Object.keys(a);
  const keysB = Object.keys(b);
  if (keysA.length !== keysB.length) {
    return false;
  }
  for (const key of keysA) {
    if (!Object.prototype.hasOwnProperty.call(b, key) || a[key] !== b[key]) {
      return false;
    }
  }
  return true;
}
exports.shallowEqual = shallowEqual;