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feat: Create Tooltip component #871

Merged
merged 38 commits into from
Mar 18, 2021
Merged

feat: Create Tooltip component #871

merged 38 commits into from
Mar 18, 2021

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noelledusahel
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@noelledusahel noelledusahel commented Feb 11, 2021

Summary

This story creates a react component modeled after the USWDS Tooltip

Related Issues or PRs

#342

How To Test

In storybook see Components > Tooltips

yarn test
yarn storybook

Screenshots (optional)

@noelledusahel noelledusahel added the status: wip Work in progress - not ready for code review label Feb 11, 2021
@noelledusahel noelledusahel changed the title Create Tooltip component WIP - Create Tooltip component Feb 11, 2021
@noelledusahel noelledusahel marked this pull request as draft February 15, 2021 01:28
@noelledusahel noelledusahel marked this pull request as ready for review February 23, 2021 16:45
@noelledusahel noelledusahel changed the title WIP - Create Tooltip component Feat: Create Tooltip component Feb 23, 2021
@noelledusahel noelledusahel changed the title Feat: Create Tooltip component feat: Create Tooltip component Feb 23, 2021
'is-visible': isVisible,
})

useEffect(() => {
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@noelledusahel noelledusahel Feb 23, 2021

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I placed the position logic within a useEffect hook because certain calculations like tooltipBodyWidth were being generated when the tooltip was offscreen (!isVisible), causing issues with marginLeft within the positionLeft function

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This is great work! I have some suggestions/comments:

  • Please remove the package-lock.json file - this was likely added as a result of using npm install but we should be consistent in using yarn on this project.

  • I think the button element with the title attribute should be generated by this component, since the USWDS component follows a strict convention (must be a button element and tooltip body is populated with the value of the title attribute) instead of using props.children. This would mean usage would look more like: <Tooltip position="top" title="Top" /> and I think intrinsic props should be for the button element (since the wrapper span in USWDS is not customizable other than adding classes, so we could expose a wrapperClasses prop for that)

  • I think some additional event handlers are needed, the tooltip should show on focus/mouseenter and hide on mouseleave, blur, keydown according to the source JS

src/components/Tooltip/Tooltip.test.tsx Show resolved Hide resolved

const TRIANGLE_SIZE = 5
const SPACER = 2
const tooltipID = `tooltip-${Math.floor(Math.random() * 900000) + 100000}`
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I think this should probably be initialized inside the Tooltip component, probably inside a useEffect hook so it just happens once on initial mount.

src/components/Tooltip/Tooltip.tsx Outdated Show resolved Hide resolved
src/components/Tooltip/Tooltip.tsx Outdated Show resolved Hide resolved
const adjustToEdgeX = tooltipWidth + TRIANGLE_SIZE + SPACER
const adjustToEdgeY = tooltipHeight + TRIANGLE_SIZE + SPACER

/**
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I think it would be good to take advantage of React's declarative nature here, and set these attributes (style, classes) using useState and pass them to the element(s) inside of the markup instead of manipulating the HTML elements directly

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very much agree about avoiding element.style since we have JSX className. It is a refactor though and the way the code is written seems fine to me for a first pass (since it just copies uswds). We could backlog an issue about refactoring this. @suzubara thoughts?

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yes, I'm okay with that!

@brandonlenz
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  • I think the button element with the title attribute should be generated by this component, since the USWDS component follows a strict convention (must be a button element and tooltip body is populated with the value of the title attribute) instead of using props.children. This would mean usage would look more like: <Tooltip position="top" title="Top" /> and I think intrinsic props should be for the button element (since the wrapper span in USWDS is not customizable other than adding classes, so we could expose a wrapperClasses prop for that)

@suzubara I advised to follow a flexible approach here. While all the uswds examples are buttons, they make a specific mention of using it on more than just buttons in the docs:
image

I could definitely see people wanting to wrap a custom link in a tooltip, which I thought we might want to allow.

@trussworks-infra-zz trussworks-infra-zz temporarily deployed to storybook March 9, 2021 17:01 Inactive
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suzubara commented Mar 9, 2021

Do we want to add a wrapperClasses prop that mirrors the data-classes attribute used by the USWDS Tooltip?

JavaScript generated most of the tooltip’s markup. Apply utility classes to any tooltip’s wrapping element, by including them inside a data-classes attribute, separated by spaces.

@suzubara on the USWDS side data-classes gets applied on the tooltip trigger. are you referirng to a wrapperClass that applies classes to the wrapper span or to the tooltip trigger?

Actually I read further, and see the classes get applied to the wrapper. I'm curious whether you think it makes sense to use the same terms as USWDS, and use the prop name data-classes rather than wrapperClasses

I don't feel super strongly about the exact name, but my inclination is to use something explicit, like wrapperClasses. The reason is because data- attributes are not specific to React, and in the case of USWDS they are being used to easily interface between vanilla HTML & JS. So I would recommend not naming a prop anything like data- because it will probably not be clear that it's a React prop.

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I tested this out on MilMove and the Tooltip works great! I left two minor comments that I think should be fixed before merging. We should also make sure to create an issue to refactor the positioning code so it uses React state to store class/position, instead of JS DOM APIs.

return 'asCustom' in props
}

const tooltipID = `tooltip-${Math.floor(Math.random() * 900000) + 100000}`
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Because this tooltipID is defined outside of the Tooltip component, it's the same value for all instances of a Tooltip used within a single app. This should be defined inside of the Tooltip component in a useRef container:

const tooltipID = useRef(`tooltip-${Math.floor(Math.random() * 900000) + 100000}`)

// to access:
tooltipID.current

label: string
position?: 'top' | 'bottom' | 'left' | 'right' | undefined
className?: string
dataClasses?: string
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so I tried this out and actually React shows an error in the console because of a potential naming conflict with native data- attributes. I think this prop should be renamed to wrapperClasses.

image

data-testid="tooltipWrapper"
ref={wrapperRef}
className="usa-tooltip"
{...customProps}
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customProps are passed into the triggerElement below, so they should not be repeated on this wrapper span

data-testid="tooltipWrapper"
ref={wrapperRef}
className="usa-tooltip"
{...spanProps}
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I think the remaining props are meant to be passed onto the button element, rather than the wrapper span (this should mirror the custom implementation above)

type TooltipProps<T> = {
label: string
position?: 'top' | 'bottom' | 'left' | 'right' | undefined
wrapperclasses?: string
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i removed className prop, as i didn't see the purpose of having both className and wrapperclasses. may have lost some perspective for why we'd need a separate prop since starting this ticket so your input would be appreciated @suzubara

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The className prop is meant to allow a user to pass a custom CSS class to the trigger element, so that value should be incorporated in the list of classes passed to the button or custom element used. wrapperClasses is the same, but for the wrapper element instead (this mirrors the data-classes attribute exposed by USWDS).

For example if a user of USWDS did this:

    <button type="button" class="usa-button usa-tooltip myCustomButtonClass" data-position="top" data-classes="width-full tablet:width-auto" title="Top">Show on top</button>

they should be able to achieve the same result using our Tooltip component with this:

    <Tooltip className="myCustomButtonClass" position="top" wrapperClasses="width-full tablet:width-auto" label="Top">Show on top</button>

and that should result in the tooltipWrapper element having the wrapperClasses value (width-full tablet:width-auto), and the triggerElement element having the className value (myCustomButtonClass) in addition to the other usa tooltip classes

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awesome, I think my latest change should fix it @suzubara

@trussworks-infra-zz trussworks-infra-zz temporarily deployed to storybook March 16, 2021 16:32 Inactive
@trussworks-infra-zz trussworks-infra-zz temporarily deployed to storybook March 16, 2021 18:38 Inactive
suzubara
suzubara previously approved these changes Mar 16, 2021
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awesome, I think this is a great first pass at the Tooltip! I will create a followup issue for refactoring some of the code to use more React and use less of the JS DOM API

@noelledusahel
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awesome, I think this is a great first pass at the Tooltip! I will create a followup issue for refactoring some of the code to use more React and use less of the JS DOM API

gotcha, when you do please add me as a reviewer!

haworku
haworku previously approved these changes Mar 17, 2021
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Small change. Otherwise good to approve! Great work!

src/components/Tooltip/Tooltop.stories.tsx Outdated Show resolved Hide resolved
@noelledusahel noelledusahel dismissed stale reviews from haworku and suzubara via e11b26e March 18, 2021 15:59
@trussworks-infra-zz trussworks-infra-zz temporarily deployed to storybook March 18, 2021 16:05 Inactive
@noelledusahel noelledusahel merged commit 92ea5f0 into main Mar 18, 2021
@noelledusahel noelledusahel deleted the nb-react-uswds-tooltip branch March 18, 2021 17:20
brandonlenz pushed a commit that referenced this pull request May 12, 2021
* create tooltip using css usilities

* additional styles

* add useState hooks to tooltip component

* add correct styles according to position

* additional edits to positioning tooltip body, add element ID to locate tooltipbody in DOM

* move all positioning login into a useEffect, register TooltipBodyWidth within useEffent

* add tooltip ID and remove comments

* remove styles file

* add tests to tooltip component

* export tooltip component in index.ts

* replace reference to tooltipBodyRef.current with variable tooltipBodyWidth

* remove package lock file

* create a default tooltip trigger button and create tests for tooltip body visibility

* begin writing up custom component based off of Link component example

* put custom component render in a conditional statement

* utilize forward ref in customComponent

* abstract useEffect into a fn, useTooltip

* move html element role, move event listeners to custom component props

* move isElementInViewport to a utils file

* correct tests and add test id to tooltip trigger element

* add display name

* add story displayname

* corect var name CustomLinkProps

* update tests

* add data classes prop for css utility classes

* add keyboard events to tests

* change dataclasses to wrapperclasses and move to trigger element, move tooltipElementID to tooltip component level

* remove className for wrapperclasses from tooltipComponent

* apply classname to tooltipTrigger element

* reformat for storybook addon

Co-authored-by: Andrew Hobson <21983+ahobson@users.noreply.github.com>
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6 participants