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frontend/node_modules/antd/lib/_util/hooks/usePatchElement.js

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+"use strict";
+
+var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.usePatchElement = void 0;
+var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
+var React = _interopRequireWildcard(require("react"));
+const usePatchElement = () => {
+  const [elements, setElements] = React.useState([]);
+  const patchElement = React.useCallback(element => {
+    // append a new element to elements (and create a new ref)
+    setElements(originElements => [].concat((0, _toConsumableArray2.default)(originElements), [element]));
+    // return a function that removes the new element out of elements (and create a new ref)
+    // it works a little like useEffect
+    return () => {
+      setElements(originElements => originElements.filter(ele => ele !== element));
+    };
+  }, []);
+  return [elements, patchElement];
+};
+exports.usePatchElement = usePatchElement;