GoScrobble/web/node_modules/@restart/hooks/cjs/useMergedRefs.js

48 lines
1.0 KiB
JavaScript

"use strict";
exports.__esModule = true;
exports.mergeRefs = mergeRefs;
exports.default = void 0;
var _react = require("react");
var toFnRef = function toFnRef(ref) {
return !ref || typeof ref === 'function' ? ref : function (value) {
ref.current = value;
};
};
function mergeRefs(refA, refB) {
var a = toFnRef(refA);
var b = toFnRef(refB);
return function (value) {
if (a) a(value);
if (b) b(value);
};
}
/**
* Create and returns a single callback ref composed from two other Refs.
*
* ```tsx
* const Button = React.forwardRef((props, ref) => {
* const [element, attachRef] = useCallbackRef<HTMLButtonElement>();
* const mergedRef = useMergedRefs(ref, attachRef);
*
* return <button ref={mergedRef} {...props}/>
* })
* ```
*
* @param refA A Callback or mutable Ref
* @param refB A Callback or mutable Ref
* @category refs
*/
function useMergedRefs(refA, refB) {
return (0, _react.useMemo)(function () {
return mergeRefs(refA, refB);
}, [refA, refB]);
}
var _default = useMergedRefs;
exports.default = _default;