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@material-ui/core

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React components that implement Google's Material Design.

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/* eslint-disable react-hooks/rules-of-hooks, react-hooks/exhaustive-deps */ import * as React from 'react'; export default function useControlled({ controlled, default: defaultProp, name, state = 'value' }) { const { current: isControlled } = React.useRef(controlled !== undefined); const [valueState, setValue] = React.useState(defaultProp); const value = isControlled ? controlled : valueState; if (process.env.NODE_ENV !== 'production') { React.useEffect(() => { if (isControlled !== (controlled !== undefined)) { console.error([`Material-UI: A component is changing the ${isControlled ? '' : 'un'}controlled ${state} state of ${name} to be ${isControlled ? 'un' : ''}controlled.`, 'Elements should not switch from uncontrolled to controlled (or vice versa).', `Decide between using a controlled or uncontrolled ${name} ` + 'element for the lifetime of the component.', "The nature of the state is determined during the first render, it's considered controlled if the value is not `undefined`.", 'More info: https://fb.me/react-controlled-components'].join('\n')); } }, [controlled]); const { current: defaultValue } = React.useRef(defaultProp); React.useEffect(() => { if (!isControlled && defaultValue !== defaultProp) { console.error([`Material-UI: A component is changing the default ${state} state of an uncontrolled ${name} after being initialized. ` + `To suppress this warning opt to use a controlled ${name}.`].join('\n')); } }, [JSON.stringify(defaultProp)]); } const setValueIfUncontrolled = React.useCallback(newValue => { if (!isControlled) { setValue(newValue); } }, []); return [value, setValueIfUncontrolled]; }