Buckets:
ktongue/docker_container / fem_tutos /node_modules /@mui /utils /esm /useControlled /useControlled.js
| 'use client'; | |
| // TODO: uncomment once we enable eslint-plugin-react-compiler // eslint-disable-next-line react-compiler/react-compiler -- process.env never changes, dependency arrays are intentionally ignored | |
| /* eslint-disable react-hooks/rules-of-hooks, react-hooks/exhaustive-deps */ | |
| import * as React from 'react'; | |
| export default function useControlled(props) { | |
| const { | |
| controlled, | |
| default: defaultProp, | |
| name, | |
| state = 'value' | |
| } = props; | |
| // isControlled is ignored in the hook dependency lists as it should never change. | |
| 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([`MUI: 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')); | |
| } | |
| }, [state, name, controlled]); | |
| const { | |
| current: defaultValue | |
| } = React.useRef(defaultProp); | |
| React.useEffect(() => { | |
| if (!isControlled && JSON.stringify(defaultProp) !== JSON.stringify(defaultValue)) { | |
| console.error([`MUI: 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); | |
| } | |
| }, []); | |
| // TODO: provide overloads for the useControlled function to account for the case where either | |
| // controlled or default is not undefined. | |
| // In that case the return type should be [T, React.Dispatch<React.SetStateAction<T>>] | |
| // otherwise it should be [T | undefined, React.Dispatch<React.SetStateAction<T | undefined>>] | |
| return [value, setValueIfUncontrolled]; | |
| } |
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