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"use strict";
exports.__esModule = true;
exports.default = void 0;
var _react = require("react");
var _useMounted = _interopRequireDefault(require("./useMounted"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* a useEffect() hook with customized depedency comparision
*
* @param effect The effect callback
* @param dependencies A list of dependencies
* @param isEqual A function comparing the next and previous dependencyLists
*/
/**
* a useEffect() hook with customized depedency comparision
*
* @param effect The effect callback
* @param dependencies A list of dependencies
* @param options
* @param options.isEqual A function comparing the next and previous dependencyLists
* @param options.effectHook the underlying effect hook used, defaults to useEffect
*/
function useCustomEffect(effect, dependencies, isEqualOrOptions) {
const isMounted = (0, _useMounted.default)();
const {
isEqual,
effectHook = _react.useEffect
} = typeof isEqualOrOptions === 'function' ? {
isEqual: isEqualOrOptions
} : isEqualOrOptions;
const dependenciesRef = (0, _react.useRef)();
dependenciesRef.current = dependencies;
const cleanupRef = (0, _react.useRef)(null);
effectHook(() => {
// If the ref the is `null` it's either the first effect or the last effect
// ran and was cleared, meaning _this_ update should run, b/c the equality
// check failed on in the cleanup of the last effect.
if (cleanupRef.current === null) {
const cleanup = effect();
cleanupRef.current = () => {
if (isMounted() && isEqual(dependenciesRef.current, dependencies)) {
return;
}
cleanupRef.current = null;
if (cleanup) cleanup();
};
}
return cleanupRef.current;
});
(0, _react.useDebugValue)(effect);
}
var _default = useCustomEffect;
exports.default = _default;