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frontend/node_modules/@rc-component/trigger/es/Popup/Mask.js

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+import _extends from "@babel/runtime/helpers/esm/extends";
+import classNames from 'classnames';
+import CSSMotion from 'rc-motion';
+import * as React from 'react';
+export default function Mask(props) {
+  var prefixCls = props.prefixCls,
+    open = props.open,
+    zIndex = props.zIndex,
+    mask = props.mask,
+    motion = props.motion;
+  if (!mask) {
+    return null;
+  }
+  return /*#__PURE__*/React.createElement(CSSMotion, _extends({}, motion, {
+    motionAppear: true,
+    visible: open,
+    removeOnLeave: true
+  }), function (_ref) {
+    var className = _ref.className;
+    return /*#__PURE__*/React.createElement("div", {
+      style: {
+        zIndex: zIndex
+      },
+      className: classNames("".concat(prefixCls, "-mask"), className)
+    });
+  });
+}