first commit

frontend/node_modules/antd/lib/float-button/BackTop.js

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+"use strict";
+"use client";
+
+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;
+var _react = _interopRequireWildcard(require("react"));
+var _VerticalAlignTopOutlined = _interopRequireDefault(require("@ant-design/icons/VerticalAlignTopOutlined"));
+var _classnames = _interopRequireDefault(require("classnames"));
+var _rcMotion = _interopRequireDefault(require("rc-motion"));
+var _ref = require("rc-util/lib/ref");
+var _getScroll = _interopRequireDefault(require("../_util/getScroll"));
+var _scrollTo = _interopRequireDefault(require("../_util/scrollTo"));
+var _throttleByAnimationFrame = _interopRequireDefault(require("../_util/throttleByAnimationFrame"));
+var _configProvider = require("../config-provider");
+var _context = require("../config-provider/context");
+var _context2 = _interopRequireDefault(require("./context"));
+var _FloatButton = _interopRequireWildcard(require("./FloatButton"));
+var __rest = void 0 && (void 0).__rest || function (s, e) {
+  var t = {};
+  for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) t[p] = s[p];
+  if (s != null && typeof Object.getOwnPropertySymbols === "function") for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
+    if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i])) t[p[i]] = s[p[i]];
+  }
+  return t;
+};
+const defaultIcon = /*#__PURE__*/_react.default.createElement(_VerticalAlignTopOutlined.default, null);
+const BackTop = /*#__PURE__*/_react.default.forwardRef((props, ref) => {
+  var _a;
+  const {
+    backTopIcon: contextIcon
+  } = (0, _context.useComponentConfig)('floatButton');
+  const {
+      prefixCls: customizePrefixCls,
+      className,
+      type = 'default',
+      shape = 'circle',
+      visibilityHeight = 400,
+      icon,
+      target,
+      onClick,
+      duration = 450
+    } = props,
+    restProps = __rest(props, ["prefixCls", "className", "type", "shape", "visibilityHeight", "icon", "target", "onClick", "duration"]);
+  const mergedIcon = (_a = icon !== null && icon !== void 0 ? icon : contextIcon) !== null && _a !== void 0 ? _a : defaultIcon;
+  const [visible, setVisible] = (0, _react.useState)(visibilityHeight === 0);
+  const internalRef = _react.default.useRef(null);
+  _react.default.useImperativeHandle(ref, () => ({
+    nativeElement: internalRef.current
+  }));
+  const getDefaultTarget = () => {
+    var _a;
+    return ((_a = internalRef.current) === null || _a === void 0 ? void 0 : _a.ownerDocument) || window;
+  };
+  const handleScroll = (0, _throttleByAnimationFrame.default)(e => {
+    const scrollTop = (0, _getScroll.default)(e.target);
+    setVisible(scrollTop >= visibilityHeight);
+  });
+  (0, _react.useEffect)(() => {
+    const getTarget = target || getDefaultTarget;
+    const container = getTarget();
+    handleScroll({
+      target: container
+    });
+    container === null || container === void 0 ? void 0 : container.addEventListener('scroll', handleScroll);
+    return () => {
+      handleScroll.cancel();
+      container === null || container === void 0 ? void 0 : container.removeEventListener('scroll', handleScroll);
+    };
+  }, [target]);
+  const scrollToTop = e => {
+    (0, _scrollTo.default)(0, {
+      getContainer: target || getDefaultTarget,
+      duration
+    });
+    onClick === null || onClick === void 0 ? void 0 : onClick(e);
+  };
+  const {
+    getPrefixCls
+  } = (0, _react.useContext)(_configProvider.ConfigContext);
+  const prefixCls = getPrefixCls(_FloatButton.floatButtonPrefixCls, customizePrefixCls);
+  const rootPrefixCls = getPrefixCls();
+  const groupShape = (0, _react.useContext)(_context2.default);
+  const mergedShape = groupShape || shape;
+  const contentProps = Object.assign({
+    prefixCls,
+    icon: mergedIcon,
+    type,
+    shape: mergedShape
+  }, restProps);
+  return /*#__PURE__*/_react.default.createElement(_rcMotion.default, {
+    visible: visible,
+    motionName: `${rootPrefixCls}-fade`
+  }, ({
+    className: motionClassName
+  }, setRef) => (/*#__PURE__*/_react.default.createElement(_FloatButton.default, Object.assign({
+    ref: (0, _ref.composeRef)(internalRef, setRef)
+  }, contentProps, {
+    onClick: scrollToTop,
+    className: (0, _classnames.default)(className, motionClassName)
+  }))));
+});
+if (process.env.NODE_ENV !== 'production') {
+  BackTop.displayName = 'BackTop';
+}
+var _default = exports.default = BackTop;