(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.memoizeOne = factory());
})(this, (function () { 'use strict';

  var safeIsNaN = Number.isNaN ||
      function ponyfill(value) {
          return typeof value === 'number' && value !== value;
      };
  function isEqual(first, second) {
      if (first === second) {
          return true;
      }
      if (safeIsNaN(first) && safeIsNaN(second)) {
          return true;
      }
      return false;
  }
  function areInputsEqual(newInputs, lastInputs) {
      if (newInputs.length !== lastInputs.length) {
          return false;
      }
      for (var i = 0; i < newInputs.length; i++) {
          if (!isEqual(newInputs[i], lastInputs[i])) {
              return false;
          }
      }
      return true;
  }

  function memoizeOne(resultFn, isEqual) {
      if (isEqual === void 0) { isEqual = areInputsEqual; }
      var cache = null;
      function memoized() {
          var newArgs = [];
          for (var _i = 0; _i < arguments.length; _i++) {
              newArgs[_i] = arguments[_i];
          }
          if (cache && cache.lastThis === this && isEqual(newArgs, cache.lastArgs)) {
              return cache.lastResult;
          }
          var lastResult = resultFn.apply(this, newArgs);
          cache = {
              lastResult: lastResult,
              lastArgs: newArgs,
              lastThis: this,
          };
          return lastResult;
      }
      memoized.clear = function clear() {
          cache = null;
      };
      return memoized;
  }

  return memoizeOne;

}));