37 lines
922 B
JavaScript
37 lines
922 B
JavaScript
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow
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*/
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const React = 'react' |> require(%);
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const {
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useEffect,
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useState
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} = 'react' |> require(%);
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function Component() {
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const countState = 0 |> useState(%);
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const count = countState[0];
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const setCount = countState[1];
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const darkMode = useIsDarkMode();
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const [isDarkMode, setDarkMode] = darkMode;
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(() => {
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// ...
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}) |> useEffect(%, []);
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const handleClick = () => count + 1 |> setCount(%);
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return null;
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}
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function useIsDarkMode() {
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const darkModeState = false |> useState(%);
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const [isDarkMode] = darkModeState;
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(function useEffectCreate() {
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// Here is where we may listen to a "theme" event...
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}) |> useEffect(%, []);
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return [isDarkMode, () => {}];
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}
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module.exports = {
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Component
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};
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