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fix(ui-pagination): fix Pagination sometimes displaying non li elements in lists, fix key errors too #1839

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Merged
matyasf merged 2 commits into from
Feb 3, 2025
Merged

fix(ui-pagination): fix Pagination sometimes displaying non li elements in lists, fix key errors too #1839

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96ae0a5
fix(ui-pagination): fix Pagination sometimes displaying non li elemen…
matyasf Jan 7, 2025
1912338
refactor(ui-pagination): fix failing tests
matyasf Jan 8, 2025
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44 changes: 28 additions & 16 deletions packages/ui-pagination/src/Pagination/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@
* SOFTWARE.
*/
/** @jsx jsx */
import React, { Component } from 'react'
import React, { Component, ReactElement, ReactNode } from 'react'

import { View } from '@instructure/ui-view'
import { testable } from '@instructure/ui-testable'
Expand Down Expand Up @@ -104,7 +104,7 @@ class Pagination extends Component<PaginationProps> {
currentPage: 1,
siblingCount: 1,
boundaryCount: 1,
ellipsis: <li style={{all: 'unset'}}>...</li>,
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@matyasf matyasf Jan 7, 2025 •
edited
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I think that this was a bug too, that its a li should be an internal part of the component. Also they need the `key' prop so React doesnt throw warnings

ellipsis: '...',
renderPageIndicator: (page: number) => page
}

Expand Down Expand Up @@ -317,7 +317,7 @@ class Pagination extends Component<PaginationProps> {
renderPagesInInterval = (from: number, to: number, currentPage: number) => {
if (to - from > 1000)
throw new Error('Pagination: too many pages (more than 1000)')
const pages = []
const pages: ReactElement[] = []
for (let i = from; i <= to; i++) {
pages.push(
<Pagination.Page
Expand All @@ -342,18 +342,26 @@ class Pagination extends Component<PaginationProps> {
boundaryCount,
variant
} = this.props
const pages: any = []
const pages: ReactNode[] = []
if (
totalPageNumber! <= 2 * boundaryCount! ||
totalPageNumber! <= 1 + siblingCount! + boundaryCount! ||
variant === 'full'
) {
return this.renderPagesInInterval(1, totalPageNumber!, currentPage!)
return (
<ul css={this.props.styles?.pageIndicatorList}>
{this.renderPagesInInterval(1, totalPageNumber!, currentPage!)}
</ul>
)
}

if (currentPage! > boundaryCount! + siblingCount! + 1) {
pages.push(this.renderPagesInInterval(1, boundaryCount!, currentPage!))
pages.push(ellipsis)
pages.push(
<li key="ellipsis1" style={{ all: 'unset' }}>
{ellipsis}
</li>
)
if (
currentPage! - siblingCount! >
totalPageNumber! - boundaryCount! + 1
Expand All @@ -365,7 +373,7 @@ class Pagination extends Component<PaginationProps> {
currentPage!
)
)
return pages
return <ul css={this.props.styles?.pageIndicatorList}>{pages}</ul>
}
pages.push(
this.renderPagesInInterval(
Expand All @@ -392,7 +400,11 @@ class Pagination extends Component<PaginationProps> {
currentPage!
)
)
pages.push(ellipsis)
pages.push(
<li key="ellipsis2" style={{ all: 'unset' }}>
{ellipsis}
</li>
)
pages.push(
this.renderPagesInInterval(
totalPageNumber! - boundaryCount! + 1,
Expand All @@ -409,7 +421,7 @@ class Pagination extends Component<PaginationProps> {
)
)
}
return (<ul css={this.props.styles?.pageIndicatorList}>{pages}</ul>)
return <ul css={this.props.styles?.pageIndicatorList}>{pages}</ul>
}

renderPages(currentPageIndex: number) {
Expand All @@ -434,22 +446,22 @@ class Pagination extends Component<PaginationProps> {

if (sliceStart - firstIndex > 1)
visiblePages.unshift(
<span key="first" aria-hidden="true">
&hellip;
</span>
<li style={{ all: 'unset' }} key="first" aria-hidden="true">
{this.props.ellipsis}
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@matyasf matyasf Jan 7, 2025

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now the ellipsis prop works in the legacy code too

</li>
)
if (sliceStart - firstIndex > 0) visiblePages.unshift(firstPage)
if (lastIndex - sliceEnd + 1 > 1)
visiblePages.push(
<span key="last" aria-hidden="true">
&hellip;
</span>
<li style={{ all: 'unset' }} key="last" aria-hidden="true">
{this.props.ellipsis}
</li>
)
if (lastIndex - sliceEnd + 1 > 0) visiblePages.push(lastPage)
}

return (
<View display="inline-block">
<View display="inline-block" as="ul">
{this.transferDisabledPropToChildren(visiblePages)}
</View>
)
Expand Down
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