34 lines
979 B
Plaintext
34 lines
979 B
Plaintext
/**
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* A function that merges React refs into one.
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* Supports both functions and ref objects created using createRef() and useRef().
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*
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* Usage:
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* ```tsx
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* <div ref={mergeRefs(ref1, ref2, ref3)} />
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* ```
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*
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* @param {(React.Ref<T> | undefined)[]} inputRefs Array of refs
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* @returns {React.Ref<T> | React.RefCallback<T>} Merged refs
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*/
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export default function mergeRefs() {
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var inputRefs = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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inputRefs[_i] = arguments[_i];
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}
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var filteredInputRefs = inputRefs.filter(Boolean);
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if (filteredInputRefs.length <= 1) {
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var firstRef = filteredInputRefs[0];
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return firstRef || null;
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}
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return function mergedRefs(ref) {
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filteredInputRefs.forEach(function (inputRef) {
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if (typeof inputRef === 'function') {
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inputRef(ref);
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}
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else if (inputRef) {
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inputRef.current = ref;
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}
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});
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};
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}
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