Improve grid rendering performance with a custom tooltip

NOTICE

@@ -20,3 +20,10 @@ This product contains a modified portion of 'Flask App Builder' developed by Dan
 (https://github.com/dpgaspar/Flask-AppBuilder).
 
 * Copyright 2013, Daniel Vaz Gaspar
+
+Chakra UI:
+-----
+This product contains a modified portion of 'Chakra UI' developed by Segun Adebayo.
+(https://github.com/chakra-ui/chakra-ui).
+
+* Copyright 2019, Segun Adebayo

airflow/www/static/js/grid/components/StatusBox.jsx

@@ -23,10 +23,10 @@ import React from 'react';
 import { isEqual } from 'lodash';
 import {
   Box,
-  Tooltip,
   useTheme,
 } from '@chakra-ui/react';
 
+import Tooltip from './Tooltip';
 import InstanceTooltip from './InstanceTooltip';
 import { useContainerRef } from '../context/containerRef';
 

airflow/www/static/js/grid/components/Tooltip.tsx

@@ -0,0 +1,179 @@
+/*!
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/* Simplified version of chakra's Tooltip component for faster rendering but less customization */
+
+import React from 'react';
+import {
+  chakra,
+  forwardRef,
+  HTMLChakraProps,
+  omitThemingProps,
+  ThemingProps,
+  useTheme,
+  useTooltip,
+  UseTooltipProps,
+  Portal,
+  PortalProps,
+} from '@chakra-ui/react';
+import { AnimatePresence, motion } from 'framer-motion';
+
+export interface TooltipProps
+  extends HTMLChakraProps<'div'>,
+  ThemingProps<'Tooltip'>,
+  UseTooltipProps {
+  /**
+   * The React component to use as the
+   * trigger for the tooltip
+   */
+  children: React.ReactNode
+  /**
+   * The label of the tooltip
+   */
+  label?: React.ReactNode
+  /**
+   * The accessible, human friendly label to use for
+   * screen readers.
+   *
+   * If passed, tooltip will show the content `label`
+   * but expose only `aria-label` to assistive technologies
+   */
+  'aria-label'?: string
+  /**
+   * If `true`, the tooltip will wrap its children
+   * in a `<span/>` with `tabIndex=0`
+   */
+  shouldWrapChildren?: boolean
+  /**
+   * If `true`, the tooltip will show an arrow tip
+   */
+  hasArrow?: boolean
+  /**
+   * Props to be forwarded to the portal component
+   */
+  portalProps?: Pick<PortalProps, 'appendToParentPortal' | 'containerRef'>
+}
+
+const StyledTooltip = chakra(motion.div);
+
+const styles = {
+  '--popper-arrow-bg': ['var(--tooltip-bg)'],
+  '--tooltip-bg': 'colors.gray.700',
+  bg: ['var(--tooltip-bg)'],
+  borderRadius: 'sm',
+  boxShadow: 'md',
+  color: 'whiteAlpha.900',
+  fontSize: 'md',
+  fontWeight: 'medium',
+  maxW: '320px',
+  px: '8px',
+  py: '2px',
+  zIndex: 'tooltip',
+};
+
+/**
+ * Tooltips display informative text when users hover, focus on, or tap an element.
+ *
+ * @see Docs     https://chakra-ui.com/docs/overlay/tooltip
+ * @see WAI-ARIA https://www.w3.org/TR/wai-aria-practices/#tooltip
+ */
+const Tooltip = forwardRef<TooltipProps, 'div'>((props, ref) => {
+  const ownProps = omitThemingProps(props);
+  const theme = useTheme();
+
+  const {
+    children,
+    label,
+    shouldWrapChildren,
+    'aria-label': ariaLabel,
+    hasArrow,
+    bg,
+    portalProps,
+    background,
+    backgroundColor,
+    bgColor,
+    ...rest
+  } = ownProps;
+
+  const tooltip = useTooltip({ ...rest, direction: theme.direction });
+
+  /*
+     * Ensure tooltip has only one child node
+     */
+  const child = React.Children.only(children) as React.ReactElement & {
+    ref?: React.Ref<any>
+  };
+  const trigger: React.ReactElement = React.cloneElement(
+    child,
+    tooltip.getTriggerProps(child.props, child.ref),
+  );
+
+  const tooltipProps = tooltip.getTooltipProps({}, ref);
+
+  /**
+   * If the `label` is empty, there's no point showing the tooltip.
+   * Let's simply return the children
+   */
+  if (!label) {
+    return <>{children}</>;
+  }
+
+  return (
+    <>
+      {trigger}
+      <AnimatePresence>
+        {tooltip.isOpen && (
+          <Portal {...portalProps}>
+            <chakra.div
+              {...tooltip.getTooltipPositionerProps()}
+              __css={{
+                zIndex: styles.zIndex,
+                pointerEvents: 'none',
+              }}
+            >
+              <StyledTooltip
+                {...(tooltipProps as any)}
+                initial="exit"
+                animate="enter"
+                exit="exit"
+                __css={styles}
+              >
+                {label}
+                {hasArrow && (
+                  <chakra.div
+                    data-popper-arrow
+                    className="chakra-tooltip__arrow-wrapper"
+                  >
+                    <chakra.div
+                      data-popper-arrow-inner
+                      className="chakra-tooltip__arrow"
+                      __css={{ bg: styles.bg }}
+                    />
+                  </chakra.div>
+                )}
+              </StyledTooltip>
+            </chakra.div>
+          </Portal>
+        )}
+      </AnimatePresence>
+    </>
+  );
+});
+
+export default Tooltip;