@kiwicom/orbit-components/es/NavigationBar/index.js

Orbit-components is a React component library which provides developers with the easiest possible way of building Kiwi.com’s products.

import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
import * as React from "react";
import styled, { css } from "styled-components";
import transition from "../utils/transition";
import defaultTheme from "../defaultTheme";
import MenuHamburger from "../icons/MenuHamburger";
import ButtonLink from "../ButtonLink";
import useStateWithCallback from "../hooks/useStateWithCallback";
import useTranslate from "../hooks/useTranslate";
import mq from "../utils/mediaQuery";
var NAVBAR_HEIGHT = {
  MOBILE: 52,
  DESKTOP: 64
};
var StyledNavigationBarContent = styled.div.withConfig({
  displayName: "NavigationBar__StyledNavigationBarContent",
  componentId: "sc-17lan40-0"
})(["display:block;width:100%;margin-right:", ";"], function (_ref) {
  var theme = _ref.theme;
  return theme.orbit.spaceXSmall;
}); // $FlowFixMe: https://github.com/flow-typed/flow-typed/issues/3653#issuecomment-568539198

StyledNavigationBarContent.defaultProps = {
  theme: defaultTheme
};
var StyledNavigationBar = styled.nav.withConfig({
  displayName: "NavigationBar__StyledNavigationBar",
  componentId: "sc-17lan40-1"
})(["position:fixed;top:0;left:0;right:0;height:", "px;width:100%;display:flex;align-items:center;background:", ";box-shadow:", ";padding:", ";box-sizing:border-box;z-index:700;transition:", ";transform:translate3d(0,", ",0);", ";"], NAVBAR_HEIGHT.MOBILE, function (_ref2) {
  var theme = _ref2.theme;
  return theme.orbit.paletteWhite;
}, function (_ref3) {
  var theme = _ref3.theme;
  return theme.orbit.boxShadowFixed;
}, function (_ref4) {
  var theme = _ref4.theme;
  return theme.orbit.spaceSmall;
}, transition(["transform"], "normal", "ease-in-out"), function (_ref5) {
  var shown = _ref5.shown;
  return shown ? "0" : "-".concat(NAVBAR_HEIGHT.MOBILE, "px");
}, mq.tablet(css(["height:", "px;transform:translate3d(0,", ",0);"], NAVBAR_HEIGHT.DESKTOP, function (_ref6) {
  var shown = _ref6.shown;
  return shown ? "0" : "-".concat(NAVBAR_HEIGHT.DESKTOP, "px");
}))); // $FlowFixMe: https://github.com/flow-typed/flow-typed/issues/3653#issuecomment-568539198

StyledNavigationBar.defaultProps = {
  theme: defaultTheme
};

var NavigationBar = function NavigationBar(_ref7) {
  var onMenuOpen = _ref7.onMenuOpen,
      children = _ref7.children,
      dataTest = _ref7.dataTest,
      onShow = _ref7.onShow,
      onHide = _ref7.onHide;
  var translate = useTranslate();
  var resolveCallback = React.useCallback(function (state) {
    if (onHide && !state) onHide();
    if (onShow && state) onShow();
  }, [onHide, onShow]);

  var _useStateWithCallback = useStateWithCallback(true, resolveCallback),
      _useStateWithCallback2 = _slicedToArray(_useStateWithCallback, 2),
      shown = _useStateWithCallback2[0],
      setShown = _useStateWithCallback2[1];

  var _React$useState = React.useState(0),
      _React$useState2 = _slicedToArray(_React$useState, 2),
      prevScrollPosition = _React$useState2[0],
      setPrevScrollPosition = _React$useState2[1];

  var handleNavigationBarPosition = React.useCallback(function () {
    var currentScrollPosition = window.scrollY || window.pageYOffset || document.documentElement && document.documentElement.scrollTop;

    if (prevScrollPosition < currentScrollPosition && currentScrollPosition > NAVBAR_HEIGHT.DESKTOP) {
      setShown(false);
    } else {
      setShown(true);
    }

    setPrevScrollPosition(currentScrollPosition);
  }, [prevScrollPosition, setShown]);
  React.useEffect(function () {
    window.addEventListener("scroll", handleNavigationBarPosition);
    return function () {
      window.removeEventListener("scroll", handleNavigationBarPosition);
    };
  });
  return /*#__PURE__*/React.createElement(StyledNavigationBar, {
    "data-test": dataTest,
    shown: shown
  }, /*#__PURE__*/React.createElement(StyledNavigationBarContent, null, children), onMenuOpen && /*#__PURE__*/React.createElement(ButtonLink, {
    type: "secondary",
    onClick: onMenuOpen,
    iconLeft: /*#__PURE__*/React.createElement(MenuHamburger, null),
    title: translate("navigationbar_open_menu")
  }));
};

export default NavigationBar;