preact-arco-design/es/Layout/index.js

Arco Design React UI Library.

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import React, { useState, useContext, forwardRef } from "preact/compat";
import cs from "../_util/classNames";
import Sider, { SiderContext } from "./sider";
import Header from "./header";
import Footer from "./footer";
import Content from "./content";
import { ConfigContext } from "../ConfigProvider";
import useMergeProps from "../_util/hooks/useMergeProps";
export { SiderContext };

function Layout(baseProps, ref) {
  var _a;

  var _b = useContext(ConfigContext),
      getPrefixCls = _b.getPrefixCls,
      componentConfig = _b.componentConfig;

  var props = useMergeProps(baseProps, {}, componentConfig === null || componentConfig === void 0 ? void 0 : componentConfig.Layout);

  var className = props.className,
      hasSider = props.hasSider,
      children = props.children,
      rest = __rest(props, ["className", "hasSider", "children"]);

  var _c = __read(useState([]), 2),
      siders = _c[0],
      setSiders = _c[1];

  var prefixCls = getPrefixCls('layout');
  var classNames = cs(prefixCls, (_a = {}, _a["".concat(prefixCls, "-has-sider")] = typeof hasSider === 'boolean' ? hasSider : siders.length > 0, _a), className);
  return React.createElement("section", __assign({
    ref: ref
  }, rest, {
    className: classNames
  }), React.Children.map(children, function (child) {
    if (child && child.props && child.props.sign === 'sider') {
      return React.cloneElement(child, {
        onSiderMount: function onSiderMount(id) {
          return setSiders(__spreadArray(__spreadArray([], __read(siders), false), [id], false));
        },
        onSiderUnmount: function onSiderUnmount(id) {
          return setSiders(siders.filter(function (currentId) {
            return currentId !== id;
          }));
        }
      });
    }

    return child;
  }));
}

var ForwardRefLayout = forwardRef(Layout);
var LayoutComponent = ForwardRefLayout;
LayoutComponent.displayName = 'Layout';
LayoutComponent.Sider = Sider;
LayoutComponent.Header = Header;
LayoutComponent.Footer = Footer;
LayoutComponent.Content = Content;
export default LayoutComponent;