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frontend/node_modules/antd/lib/watermark/context.js

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+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
+var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+exports.usePanelRef = usePanelRef;
+var React = _interopRequireWildcard(require("react"));
+var _useEvent = _interopRequireDefault(require("rc-util/lib/hooks/useEvent"));
+function voidFunc() {}
+const WatermarkContext = /*#__PURE__*/React.createContext({
+  add: voidFunc,
+  remove: voidFunc
+});
+function usePanelRef(panelSelector) {
+  const watermark = React.useContext(WatermarkContext);
+  const panelEleRef = React.useRef(null);
+  const panelRef = (0, _useEvent.default)(ele => {
+    if (ele) {
+      const innerContentEle = panelSelector ? ele.querySelector(panelSelector) : ele;
+      if (innerContentEle) {
+        watermark.add(innerContentEle);
+        panelEleRef.current = innerContentEle;
+      }
+    } else {
+      watermark.remove(panelEleRef.current);
+    }
+  });
+  return panelRef;
+}
+var _default = exports.default = WatermarkContext;