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[7.x] [Uptime] Fix full reloads while navigating to alert/ml (#73796) (
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…#74651)

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
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shahzad31 and elasticmachine committed Aug 10, 2020
1 parent 1abc5b8 commit 09a6c9d
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Showing 16 changed files with 371 additions and 29 deletions.
15 changes: 10 additions & 5 deletions x-pack/plugins/uptime/public/apps/uptime_app.tsx
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Expand Up @@ -10,7 +10,10 @@ import React, { useEffect } from 'react';
import { Provider as ReduxProvider } from 'react-redux';
import { BrowserRouter as Router } from 'react-router-dom';
import { I18nStart, ChromeBreadcrumb, CoreStart } from 'kibana/public';
import { KibanaContextProvider } from '../../../../../src/plugins/kibana_react/public';
import {
KibanaContextProvider,
RedirectAppLinks,
} from '../../../../../src/plugins/kibana_react/public';
import { ClientPluginsSetup, ClientPluginsStart } from './plugin';
import { UMUpdateBadge } from '../lib/lib';
import {
Expand Down Expand Up @@ -103,10 +106,12 @@ const Application = (props: UptimeAppProps) => {
<UptimeStartupPluginsContextProvider {...startPlugins}>
<UptimeAlertsContextProvider>
<EuiPage className="app-wrapper-panel " data-test-subj="uptimeApp">
<main>
<UptimeAlertsFlyoutWrapper />
<PageRouter />
</main>
<RedirectAppLinks application={core.application}>
<main>
<UptimeAlertsFlyoutWrapper />
<PageRouter />
</main>
</RedirectAppLinks>
</EuiPage>
</UptimeAlertsContextProvider>
</UptimeStartupPluginsContextProvider>
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@@ -0,0 +1,102 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/

import { letBrowserHandleEvent } from '../index';

describe('letBrowserHandleEvent', () => {
const event = {
defaultPrevented: false,
metaKey: false,
altKey: false,
ctrlKey: false,
shiftKey: false,
button: 0,
target: {
getAttribute: () => '_self',
},
} as any;

describe('the browser should handle the link when', () => {
it('default is prevented', () => {
expect(letBrowserHandleEvent({ ...event, defaultPrevented: true })).toBe(true);
});

it('is modified with metaKey', () => {
expect(letBrowserHandleEvent({ ...event, metaKey: true })).toBe(true);
});

it('is modified with altKey', () => {
expect(letBrowserHandleEvent({ ...event, altKey: true })).toBe(true);
});

it('is modified with ctrlKey', () => {
expect(letBrowserHandleEvent({ ...event, ctrlKey: true })).toBe(true);
});

it('is modified with shiftKey', () => {
expect(letBrowserHandleEvent({ ...event, shiftKey: true })).toBe(true);
});

it('it is not a left click event', () => {
expect(letBrowserHandleEvent({ ...event, button: 2 })).toBe(true);
});

it('the target is anything value other than _self', () => {
expect(
letBrowserHandleEvent({
...event,
target: targetValue('_blank'),
})
).toBe(true);
});
});

describe('the browser should NOT handle the link when', () => {
it('default is not prevented', () => {
expect(letBrowserHandleEvent({ ...event, defaultPrevented: false })).toBe(false);
});

it('is not modified', () => {
expect(
letBrowserHandleEvent({
...event,
metaKey: false,
altKey: false,
ctrlKey: false,
shiftKey: false,
})
).toBe(false);
});

it('it is a left click event', () => {
expect(letBrowserHandleEvent({ ...event, button: 0 })).toBe(false);
});

it('the target is a value of _self', () => {
expect(
letBrowserHandleEvent({
...event,
target: targetValue('_self'),
})
).toBe(false);
});

it('the target has no value', () => {
expect(
letBrowserHandleEvent({
...event,
target: targetValue(null),
})
).toBe(false);
});
});
});

const targetValue = (value: string | null) => {
return {
getAttribute: () => value,
};
};
Original file line number Diff line number Diff line change
@@ -0,0 +1,77 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/

import React from 'react';
import { shallow, mount } from 'enzyme';
import { EuiLink, EuiButton } from '@elastic/eui';

import '../../../../lib/__mocks__/react_router_history.mock';

import { ReactRouterEuiLink, ReactRouterEuiButton } from '../link_for_eui';
import { mockHistory } from '../../../../lib/__mocks__';

describe('EUI & React Router Component Helpers', () => {
beforeEach(() => {
jest.clearAllMocks();
});

it('renders', () => {
const wrapper = shallow(<ReactRouterEuiLink to="/" />);

expect(wrapper.find(EuiLink)).toHaveLength(1);
});

it('renders an EuiButton', () => {
const wrapper = shallow(<ReactRouterEuiButton to="/" />);

expect(wrapper.find(EuiButton)).toHaveLength(1);
});

it('passes down all ...rest props', () => {
const wrapper = shallow(<ReactRouterEuiLink to="/" data-test-subj="foo" external={true} />);
const link = wrapper.find(EuiLink);

expect(link.prop('external')).toEqual(true);
expect(link.prop('data-test-subj')).toEqual('foo');
});

it('renders with the correct href and onClick props', () => {
const wrapper = mount(<ReactRouterEuiLink to="/foo/bar" />);
const link = wrapper.find(EuiLink);

expect(link.prop('onClick')).toBeInstanceOf(Function);
expect(link.prop('href')).toEqual('/enterprise_search/foo/bar');
expect(mockHistory.createHref).toHaveBeenCalled();
});

describe('onClick', () => {
it('prevents default navigation and uses React Router history', () => {
const wrapper = mount(<ReactRouterEuiLink to="/bar/baz" />);

const simulatedEvent = {
button: 0,
target: { getAttribute: () => '_self' },
preventDefault: jest.fn(),
};
wrapper.find(EuiLink).simulate('click', simulatedEvent);

expect(simulatedEvent.preventDefault).toHaveBeenCalled();
expect(mockHistory.push).toHaveBeenCalled();
});

it('does not prevent default browser behavior on new tab/window clicks', () => {
const wrapper = mount(<ReactRouterEuiLink to="/bar/baz" />);

const simulatedEvent = {
shiftKey: true,
target: { getAttribute: () => '_blank' },
};
wrapper.find(EuiLink).simulate('click', simulatedEvent);

expect(mockHistory.push).not.toHaveBeenCalled();
});
});
});
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/

export { letBrowserHandleEvent } from './link_events';
export {
ReactRouterEuiLink,
ReactRouterEuiButton,
ReactRouterEuiButtonEmpty,
} from './link_for_eui';
Original file line number Diff line number Diff line change
@@ -0,0 +1,31 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/

import { MouseEvent } from 'react';

/**
* Helper functions for determining which events we should
* let browsers handle natively, e.g. new tabs/windows
*/

type THandleEvent = (event: MouseEvent) => boolean;

export const letBrowserHandleEvent: THandleEvent = (event) =>
event.defaultPrevented ||
isModifiedEvent(event) ||
!isLeftClickEvent(event) ||
isTargetBlank(event);

const isModifiedEvent: THandleEvent = (event) =>
!!(event.metaKey || event.altKey || event.ctrlKey || event.shiftKey);

const isLeftClickEvent: THandleEvent = (event) => event.button === 0;

const isTargetBlank: THandleEvent = (event) => {
const element = event.target as HTMLElement;
const target = element.getAttribute('target');
return !!target && target !== '_self';
};
Original file line number Diff line number Diff line change
@@ -0,0 +1,74 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/

import React from 'react';
import { useHistory } from 'react-router-dom';
import {
EuiLink,
EuiButton,
EuiButtonProps,
EuiButtonEmptyProps,
EuiLinkAnchorProps,
EuiButtonEmpty,
} from '@elastic/eui';

import { letBrowserHandleEvent } from './link_events';

/**
* Generates either an EuiLink or EuiButton with a React-Router-ified link
*
* Based off of EUI's recommendations for handling React Router:
* https://github.com/elastic/eui/blob/master/wiki/react-router.md#react-router-51
*/

interface IEuiReactRouterProps {
to: string;
}

export const ReactRouterHelperForEui: React.FC<IEuiReactRouterProps> = ({ to, children }) => {
const history = useHistory();

const onClick = (event: React.MouseEvent) => {
if (letBrowserHandleEvent(event)) return;

// Prevent regular link behavior, which causes a browser refresh.
event.preventDefault();

// Push the route to the history.
history.push(to);
};

// Generate the correct link href (with basename etc. accounted for)
const href = history.createHref({ pathname: to });

const reactRouterProps = { href, onClick };
return React.cloneElement(children as React.ReactElement, reactRouterProps);
};

type TEuiReactRouterLinkProps = EuiLinkAnchorProps & IEuiReactRouterProps;
type TEuiReactRouterButtonProps = EuiButtonProps & IEuiReactRouterProps;
type TEuiReactRouterButtonEmptyProps = EuiButtonEmptyProps & IEuiReactRouterProps;

export const ReactRouterEuiLink: React.FC<TEuiReactRouterLinkProps> = ({ to, ...rest }) => (
<ReactRouterHelperForEui to={to}>
<EuiLink {...rest} />
</ReactRouterHelperForEui>
);

export const ReactRouterEuiButton: React.FC<TEuiReactRouterButtonProps> = ({ to, ...rest }) => (
<ReactRouterHelperForEui to={to}>
<EuiButton {...rest} />
</ReactRouterHelperForEui>
);

export const ReactRouterEuiButtonEmpty: React.FC<TEuiReactRouterButtonEmptyProps> = ({
to,
...rest
}) => (
<ReactRouterHelperForEui to={to}>
<EuiButtonEmpty {...rest} />
</ReactRouterHelperForEui>
);

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Original file line number Diff line number Diff line change
Expand Up @@ -54,15 +54,20 @@ export const ManageMLJobComponent = ({ hasMLJob, onEnableJob, onJobDelete }: Pro
const deleteAnomalyAlert = () =>
dispatch(deleteAlertAction.get({ alertId: anomalyAlert?.id as string }));

const showLoading = isMLJobCreating || isMLJobLoading;

const btnText = hasMLJob ? labels.ANOMALY_DETECTION : labels.ENABLE_ANOMALY_DETECTION;

const button = (
<EuiButton
data-test-subj={hasMLJob ? 'uptimeManageMLJobBtn' : 'uptimeEnableAnomalyBtn'}
onClick={hasMLJob ? () => setIsPopOverOpen(true) : onEnableJob}
disabled={hasMLJob && !canDeleteMLJob}
isLoading={isMLJobCreating || isMLJobLoading}
size="s"
aria-label={labels.ENABLE_MANAGE_JOB}
>
{hasMLJob ? labels.ANOMALY_DETECTION : labels.ENABLE_ANOMALY_DETECTION}
{showLoading ? '' : btnText}
</EuiButton>
);

Expand All @@ -79,7 +84,6 @@ export const ManageMLJobComponent = ({ hasMLJob, onEnableJob, onJobDelete }: Pro
monitorId,
dateRange: { from: dateRangeStart, to: dateRangeEnd },
}),
target: '_blank',
},
{
name: anomalyAlert ? labels.DISABLE_ANOMALY_ALERT : labels.ENABLE_ANOMALY_ALERT,
Expand Down
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