bc518174
 王天杨
提交两个项目文件
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// packages/react/compose-refs/src/composeRefs.tsx
import * as React from "react";
function setRef(ref, value) {
if (typeof ref === "function") {
return ref(value);
} else if (ref !== null && ref !== void 0) {
ref.current = value;
}
}
function composeRefs(...refs) {
return (node) => {
let hasCleanup = false;
const cleanups = refs.map((ref) => {
const cleanup = setRef(ref, node);
if (!hasCleanup && typeof cleanup == "function") {
hasCleanup = true;
}
return cleanup;
});
if (hasCleanup) {
return () => {
for (let i = 0; i < cleanups.length; i++) {
const cleanup = cleanups[i];
if (typeof cleanup == "function") {
cleanup();
} else {
setRef(refs[i], null);
}
}
};
}
};
}
function useComposedRefs(...refs) {
return React.useCallback(composeRefs(...refs), refs);
}
export {
composeRefs,
useComposedRefs
};
//# sourceMappingURL=index.mjs.map
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