add hw2

node_modules/@react-aria/focus/dist/useFocusRing.main.js

@@ -0,0 +1,50 @@
+var $7eRoM$reactariainteractions = require("@react-aria/interactions");
+var $7eRoM$react = require("react");
+
+
+function $parcel$export(e, n, v, s) {
+  Object.defineProperty(e, n, {get: v, set: s, enumerable: true, configurable: true});
+}
+
+$parcel$export(module.exports, "useFocusRing", () => $581a96d6eb128c1b$export$4e328f61c538687f);
+
+
+function $581a96d6eb128c1b$export$4e328f61c538687f(props = {}) {
+    let { autoFocus: autoFocus = false, isTextInput: isTextInput, within: within } = props;
+    let state = (0, $7eRoM$react.useRef)({
+        isFocused: false,
+        isFocusVisible: autoFocus || (0, $7eRoM$reactariainteractions.isFocusVisible)()
+    });
+    let [isFocused, setFocused] = (0, $7eRoM$react.useState)(false);
+    let [isFocusVisibleState, setFocusVisible] = (0, $7eRoM$react.useState)(()=>state.current.isFocused && state.current.isFocusVisible);
+    let updateState = (0, $7eRoM$react.useCallback)(()=>setFocusVisible(state.current.isFocused && state.current.isFocusVisible), []);
+    let onFocusChange = (0, $7eRoM$react.useCallback)((isFocused)=>{
+        state.current.isFocused = isFocused;
+        setFocused(isFocused);
+        updateState();
+    }, [
+        updateState
+    ]);
+    (0, $7eRoM$reactariainteractions.useFocusVisibleListener)((isFocusVisible)=>{
+        state.current.isFocusVisible = isFocusVisible;
+        updateState();
+    }, [], {
+        isTextInput: isTextInput
+    });
+    let { focusProps: focusProps } = (0, $7eRoM$reactariainteractions.useFocus)({
+        isDisabled: within,
+        onFocusChange: onFocusChange
+    });
+    let { focusWithinProps: focusWithinProps } = (0, $7eRoM$reactariainteractions.useFocusWithin)({
+        isDisabled: !within,
+        onFocusWithinChange: onFocusChange
+    });
+    return {
+        isFocused: isFocused,
+        isFocusVisible: isFocusVisibleState,
+        focusProps: within ? focusWithinProps : focusProps
+    };
+}
+
+
+//# sourceMappingURL=useFocusRing.main.js.map