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 王天杨
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// packages/react/use-controllable-state/src/useControllableState.tsx
import * as React from "react";
import { useCallbackRef } from "@radix-ui/react-use-callback-ref";
function useControllableState({
prop,
defaultProp,
onChange = () => {
}
}) {
const [uncontrolledProp, setUncontrolledProp] = useUncontrolledState({ defaultProp, onChange });
const isControlled = prop !== void 0;
const value = isControlled ? prop : uncontrolledProp;
const handleChange = useCallbackRef(onChange);
const setValue = React.useCallback(
(nextValue) => {
if (isControlled) {
const setter = nextValue;
const value2 = typeof nextValue === "function" ? setter(prop) : nextValue;
if (value2 !== prop) handleChange(value2);
} else {
setUncontrolledProp(nextValue);
}
},
[isControlled, prop, setUncontrolledProp, handleChange]
);
return [value, setValue];
}
function useUncontrolledState({
defaultProp,
onChange
}) {
const uncontrolledState = React.useState(defaultProp);
const [value] = uncontrolledState;
const prevValueRef = React.useRef(value);
const handleChange = useCallbackRef(onChange);
React.useEffect(() => {
if (prevValueRef.current !== value) {
handleChange(value);
prevValueRef.current = value;
}
}, [value, prevValueRef, handleChange]);
return uncontrolledState;
}
export {
useControllableState
};
//# sourceMappingURL=index.mjs.map
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