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(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('react')) :
typeof define === 'function' && define.amd ? define(['exports', 'react'], factory) :
(global = global || self, factory(global.useMemoOne = {}, global.React));
}(this, function (exports, react) { 'use strict';
function areInputsEqual(newInputs, lastInputs) {
if (newInputs.length !== lastInputs.length) {
return false;
}
for (var i = 0; i < newInputs.length; i++) {
if (newInputs[i] !== lastInputs[i]) {
return false;
}
}
return true;
}
function useMemoOne(getResult, inputs) {
var initial = react.useState(function () {
return {
inputs: inputs,
result: getResult()
};
})[0];
var isFirstRun = react.useRef(true);
var committed = react.useRef(initial);
var useCache = isFirstRun.current || Boolean(inputs && committed.current.inputs && areInputsEqual(inputs, committed.current.inputs));
var cache = useCache ? committed.current : {
inputs: inputs,
result: getResult()
};
react.useEffect(function () {
isFirstRun.current = false;
committed.current = cache;
}, [cache]);
return cache.result;
}
function useCallbackOne(callback, inputs) {
return useMemoOne(function () {
return callback;
}, inputs);
}
var useMemo = useMemoOne;
var useCallback = useCallbackOne;
exports.useCallback = useCallback;
exports.useCallbackOne = useCallbackOne;
exports.useMemo = useMemo;
exports.useMemoOne = useMemoOne;
Object.defineProperty(exports, '__esModule', { value: true });
}));