30 lines
1.1 KiB
JavaScript
30 lines
1.1 KiB
JavaScript
|
import { __spreadArray } from "tslib";
|
||
|
|
import * as React from 'react';
|
||
|
|
/**
|
||
|
|
* React hook to merge multiple React refs (either MutableRefObjects or ref callbacks) into a single ref callback that
|
||
|
|
* updates all provided refs
|
||
|
|
* @param refs - Refs to collectively update with one ref value.
|
||
|
|
* @returns A function with an attached "current" prop, so that it can be treated like a RefObject.
|
||
|
|
*/
|
||
|
|
export function useMergedRefs() {
|
||
|
|
var refs = [];
|
||
|
|
for (var _i = 0; _i < arguments.length; _i++) {
|
||
|
|
refs[_i] = arguments[_i];
|
||
|
|
}
|
||
|
|
var mergedCallback = React.useCallback(function (value) {
|
||
|
|
// Update the "current" prop hanging on the function.
|
||
|
|
mergedCallback.current = value;
|
||
|
|
for (var _i = 0, refs_1 = refs; _i < refs_1.length; _i++) {
|
||
|
|
var ref = refs_1[_i];
|
||
|
|
if (typeof ref === 'function') {
|
||
|
|
ref(value);
|
||
|
|
}
|
||
|
|
else if (ref) {
|
||
|
|
// work around the immutability of the React.Ref type
|
||
|
|
ref.current = value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}, __spreadArray([], refs, true));
|
||
|
|
return mergedCallback;
|
||
|
|
}
|
||
|
|
//# sourceMappingURL=useMergedRefs.js.map
|