3/25 까지의 대표님 작업사항

1 files changed, 38 insertions, 0 deletions

diff --git a/lib/compose-refs.ts b/lib/compose-refs.ts
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index 00000000..bed48a40
--- /dev/null
+++ b/lib/compose-refs.ts
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+/**
+ * @see https://github.com/radix-ui/primitives/blob/main/packages/react/compose-refs/src/composeRefs.tsx
+ */
+
+import * as React from "react"
+
+type PossibleRef<T> = React.Ref<T> | undefined
+
+/**
+ * Set a given ref to a given value
+ * This utility takes care of different types of refs: callback refs and RefObject(s)
+ */
+function setRef<T>(ref: PossibleRef<T>, value: T) {
+  if (typeof ref === "function") {
+    ref(value)
+  } else if (ref !== null && ref !== undefined) {
+    ;(ref as React.MutableRefObject<T>).current = value
+  }
+}
+
+/**
+ * A utility to compose multiple refs together
+ * Accepts callback refs and RefObject(s)
+ */
+function composeRefs<T>(...refs: PossibleRef<T>[]) {
+  return (node: T) => refs.forEach((ref) => setRef(ref, node))
+}
+
+/**
+ * A custom hook that composes multiple refs
+ * Accepts callback refs and RefObject(s)
+ */
+function useComposedRefs<T>(...refs: PossibleRef<T>[]) {
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  return React.useCallback(composeRefs(...refs), refs)
+}
+
+export { composeRefs, useComposedRefs }