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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;
}
export { memoizeOne as default };