How to use the useEffect function from react

TVFocusGuideView.js

GitHub: react-native-tvos/react-native-tvos

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      ref.setDestinations = setDestinations;
    }
  },
});

React.useEffect(() => {
  if (destinationsProp != null) {
    setDestinations(destinationsProp);
  }
}, [setDestinations, destinationsProp]);

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index.js

GitHub: szhsin/react-menu

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    timeoutId.current = 0;
  }
  !keepHover && unsetHover();
};
useItemEffect(isDisabled, itemRef, updateItems);
react.useEffect(function () {
  return function () {
    return clearTimeout(timeoutId.current);
  };
}, []);

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+ 9 other calls in file

Main.js

GitHub: Malvid/Malvid

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        return `${ props.currentComponent.name } | ${ props.opts.title }`

})()

useEffect(() => { document.documentElement.style.setProperty('--size-vertical', `${ props.size.vertical }px`) }, [ props.size.vertical ])
useEffect(() => { document.documentElement.style.setProperty('--size-horizontal', `${ props.size.horizontal }px`) }, [ props.size.horizontal ])
useEffect(() => { document.title = title }, [ title ])

// Something went wrong

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+ 5 other calls in file

index.js

GitHub: szhsin/react-accordion

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Accordion.displayName = 'Accordion';


let current = 0;
const useIdShim = () => {
  const [id, setId] = react.useState();
  react.useEffect(() => setId(++current), []);
  return id && `${ACCORDION_PREFIX}-${id}`;
};
const _useId = react.useId || useIdShim;

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index.js

GitHub: cartoonmangodev/react-boilerplate-redux-saga-hoc

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var _useState = React.useState({}),
    _useState2 = _slicedToArray(_useState, 1),
    _key = _useState2[0];

React.useEffect(function () {
  previousData.set(_key, {});
  initialRender.set(_key, true);
  return function () {
    previousData.delete(_key);

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+ 11 other calls in file

MyContext.js

GitHub: tahl04/bonescatch

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    trans = await axios.post("http://localhost:3000/api", obj);
  }
  setData(trans);
}

useEffect(() => {
  dataFun("get");
  dataPost("get");
}, []);

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+ 8 other calls in file

index.js

GitHub: KananFarmanli/react-observable-state

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const useObservable = (paths, timeout = 100) => {
  if (!paths) return;
  paths = split(/\s*,\s*/, paths);
  const [v, s] = useState(0);
  const rerender = timeout ? throttle(timeout, () => s(v + 1)) : () => s(v + 1);
  useEffect(() => juxt(paths.map((p) => State.subscribe(p, rerender))));
  return State;
};


module.exports = {

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+ 2 other calls in file

index.js

GitHub: daneg69/quizmeapp

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    catch (e) {
        logger(e);
        return defaultValue;
    }
}), storedValue = _a[0], setValue = _a[1];
react_1.useEffect(function () {
    if (typeof window === "undefined")
        return;
    var updateLocalStorage = function () {
        if (storedValue !== undefined) {

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index.js

GitHub: Hrobitaillie/Kayt0-MyPopup

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 * So if we detect a situtation where optimised appear animations
 * are running, we use useLayoutEffect to trigger animations.
 */
const useAnimateChangesEffect = window.HandoffAppearAnimations
    ? useIsomorphicLayoutEffect
    : React.useEffect;
useAnimateChangesEffect(() => {
    if (visualElement && visualElement.animationState) {
        visualElement.animationState.animateChanges();
    }

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+ 10 other calls in file

index.js

GitHub: teu-ai/ant-design

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// ========================== Effect ==========================
var _React$useState = React.useState([]),
  _React$useState2 = (0, _slicedToArray2['default'])(_React$useState, 2),
  actionQueue = _React$useState2[0],
  setActionQueue = _React$useState2[1];
React.useEffect(
  function () {
    if (actionQueue.length) {
      var cloneQueue = (0, _toConsumableArray2['default'])(actionQueue);
      cloneQueue.forEach(function (action) {

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