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Adding jsx-a11y linter rules #1952

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merged 13 commits into from
Jun 4, 2019
Merged

Adding jsx-a11y linter rules #1952

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f287045
Adding jsx-a11y fixes
bhavyarm May 22, 2019
c6eeede
address mouse-events-have-key-events errors
thompsongl May 29, 2019
f538150
eslintrc format fix
thompsongl May 30, 2019
f2f2f0d
docs examples updates
thompsongl May 30, 2019
40a87da
EuiComboBox updates
thompsongl May 30, 2019
00fb6a6
EuiTableHeaderCell update
thompsongl May 30, 2019
ac0008e
EuiImage update
thompsongl May 30, 2019
a2dc420
EuiSuperSelect updates
thompsongl May 30, 2019
99e2d18
Merge branch 'master' into jsxA11yEui
thompsongl May 31, 2019
b2b1581
more lint fixes
thompsongl May 31, 2019
0e19212
Merge branch 'master' into jsxA11yEui
thompsongl Jun 3, 2019
f42110e
Merge branch 'master' into jsxA11yEui
thompsongl Jun 3, 2019
663fdb6
#1952 CL entry
thompsongl Jun 4, 2019
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27 changes: 27 additions & 0 deletions .eslintrc.js
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ module.exports = {
"plugin:prettier/recommended"
],
plugins: [
"jsx-a11y",
"prettier",
"local"
],
Expand All @@ -37,6 +38,32 @@ module.exports = {
"no-use-before-define": "off",
"quotes": ["warn", "single", "avoid-escape"],

"jsx-a11y/accessible-emoji": "error",
"jsx-a11y/alt-text": "error",
"jsx-a11y/anchor-has-content": "error",
"jsx-a11y/aria-activedescendant-has-tabindex": "error",
"jsx-a11y/aria-props": "error",
"jsx-a11y/aria-proptypes": "error",
"jsx-a11y/aria-role": "error",
"jsx-a11y/aria-unsupported-elements": "error",
"jsx-a11y/heading-has-content": "error",
"jsx-a11y/html-has-lang": "error",
"jsx-a11y/iframe-has-title": "error",
"jsx-a11y/interactive-supports-focus": "error",
"jsx-a11y/media-has-caption": "error",
"jsx-a11y/mouse-events-have-key-events": "error",
"jsx-a11y/no-access-key": "error",
"jsx-a11y/no-distracting-elements": "error",
"jsx-a11y/no-interactive-element-to-noninteractive-role": "error",
"jsx-a11y/no-noninteractive-element-interactions": "error",
"jsx-a11y/no-noninteractive-element-to-interactive-role": "error",
"jsx-a11y/no-redundant-roles": "error",
"jsx-a11y/role-has-required-aria-props": "error",
"jsx-a11y/role-supports-aria-props": "error",
"jsx-a11y/scope": "error",
"jsx-a11y/tabindex-no-positive": "error",
"jsx-a11y/label-has-associated-control": "error",

"@typescript-eslint/array-type": ["error", "array-simple"],
"@typescript-eslint/camelcase": "off",
"@typescript-eslint/class-name-casing": "off",
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5 changes: 4 additions & 1 deletion src-docs/src/views/color_picker/color_picker_clear.js
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Expand Up @@ -27,11 +27,14 @@ export class ColorPickerLabelAndClear extends Component {
return (
<EuiFlexGroup alignItems="center">
<EuiFlexItem grow={false}>
<label className="kuiLabel">Background color</label>
<label htmlFor="colorPicker" className="kuiLabel">
Background color
</label>
</EuiFlexItem>

<EuiFlexItem grow={false}>
<EuiColorPicker
id="colorPicker"
onChange={this.handleChange}
color={this.state.color}
/>
Expand Down
5 changes: 4 additions & 1 deletion src-docs/src/views/color_picker/color_picker_no_color_label.js
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Expand Up @@ -22,11 +22,14 @@ export class ColorPickerNoColorLabel extends Component {
return (
<EuiFlexGroup alignItems="center">
<EuiFlexItem grow={false}>
<label className="kuiLabel">Foreground color</label>
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<label htmlFor="colorPicker" className="kuiLabel">
Foreground color
</label>
</EuiFlexItem>

<EuiFlexItem grow={false}>
<EuiColorPicker
id="colorPicker"
onChange={this.handleChange}
color={this.state.color}
showColorLabel={false}
Expand Down
23 changes: 12 additions & 11 deletions src-docs/src/views/guidelines/colors.js
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Expand Up @@ -283,17 +283,18 @@ color: $${color2};`;
beforeMessage={tooltipContent}
textToCopy={textToCopy}>
{copy => (
<p
onClick={copy}
style={{
backgroundColor: palette[color].rgba,
color: palette[color2].rgba,
padding: 6,
marginBottom: 2,
borderRadius: 4,
}}>
{contrastRating} &ensp; {color2}
</p>
<button type="button" onClick={copy}>
<p
style={{
backgroundColor: palette[color].rgba,
color: palette[color2].rgba,
padding: 6,
marginBottom: 2,
borderRadius: 4,
}}>
{contrastRating} &ensp; {color2}
</p>
</button>
)}
</EuiCopy>
);
Expand Down
2 changes: 1 addition & 1 deletion src/components/accessibility/__snapshots__/keyboard_accessible.test.tsx.snap
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Expand Up @@ -9,7 +9,7 @@ exports[`EuiKeyboardAccessible adds accessibility attributes tabindex and role 1

exports[`EuiKeyboardAccessible doesn't override pre-existing accessibility attributes role 1`] = `
<div
role="submit"
role="button"
tabindex="0"
/>
`;
Expand Down
13 changes: 9 additions & 4 deletions src/components/accessibility/keyboard_accessible.test.tsx
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Expand Up @@ -57,7 +57,9 @@ describe('EuiKeyboardAccessible', () => {
// @ts-ignore unused var
const component = ( // eslint-disable-line @typescript-eslint/no-unused-vars
<EuiKeyboardAccessible>
<a href="#" onClick={noop} />
<a href="#" onClick={noop}>
Click me
</a>
</EuiKeyboardAccessible>
);

Expand Down Expand Up @@ -119,7 +121,7 @@ describe('EuiKeyboardAccessible', () => {
// @ts-ignore unused var
const component = ( // eslint-disable-line @typescript-eslint/no-unused-vars
<EuiKeyboardAccessible>
<a onClick={noop} />
<a onClick={noop}>Click me</a>
</EuiKeyboardAccessible>
);

Expand All @@ -143,7 +145,10 @@ describe('EuiKeyboardAccessible', () => {
test('tabindex', () => {
const $button = render(
<EuiKeyboardAccessible>
<div onClick={noop} tabIndex={1} />
<div
onClick={noop}
tabIndex={1} // eslint-disable-line jsx-a11y/tabindex-no-positive
/>
</EuiKeyboardAccessible>
);

Expand All @@ -153,7 +158,7 @@ describe('EuiKeyboardAccessible', () => {
test('role', () => {
const $button = render(
<EuiKeyboardAccessible>
<div onClick={noop} role="submit" />
<div onClick={noop} role="button" tabIndex={0} />
</EuiKeyboardAccessible>
);

Expand Down
13 changes: 12 additions & 1 deletion src/components/combo_box/combo_box.js
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Expand Up @@ -727,13 +727,24 @@ export class EuiComboBox extends Component {
}

return (
/**
* Re: jsx-a11y/interactive-supports-focus
* Focus is managed and is placed on the textbox element (`EuiComboBoxInput`)
*
* Re: jsx-a11y/role-has-required-aria-props
* Expansion is managed and required `aria-controls` prop is placed on the textbox element (`EuiComboBoxInput`)
*
* Reference for both: https://www.w3.org/TR/2017/REC-wai-aria-1.1-20171214/#combobox,
* which verifies that this implementation follows the spec.
*/
// eslint-disable-next-line jsx-a11y/interactive-supports-focus
<div
{...rest}
className={classes}
onKeyDown={this.onKeyDown}
ref={this.comboBoxRef}
data-test-subj={dataTestSubj}
role="combobox"
role="combobox" // eslint-disable-line jsx-a11y/role-has-required-aria-props
aria-haspopup="listbox"
aria-expanded={isListOpen}>
<EuiComboBoxInput
Expand Down
4 changes: 3 additions & 1 deletion src/components/copy/copy.js
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Expand Up @@ -37,6 +37,8 @@ export class EuiCopy extends React.Component {
} = this.props;

return (
// See `src/components/tool_tip/tool_tip.js` for explaination of below eslint-disable
// eslint-disable-next-line jsx-a11y/mouse-events-have-key-events
<EuiToolTip
content={this.state.tooltipText}
onMouseOut={this.resetTooltipText}
Expand All @@ -56,7 +58,7 @@ EuiCopy.propTypes = {
/**
* Tooltip message displayed before copy function is called.
*/
beforeMessage: PropTypes.string,
beforeMessage: PropTypes.node,
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Make sure to list this in the CL I guess.

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Ah yeah I meant to comment here. Reason for this is that we put WCAG level badges inside the tooltip for color copying, which is absolutely reasonable but results in prop type warnings.


/**
* Tooltip message displayed after copy function is called that lets the user know that
Expand Down
28 changes: 28 additions & 0 deletions src/components/form/super_select/__snapshots__/super_select.test.js.snap
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@ exports[`EuiSuperSelect is rendered 1`] = `
aria-haspopup="true"
aria-label="aria-label"
aria-labelledby="undefined generated-id"
aria-selected="true"
class="euiSuperSelectControl testClass1 testClass2"
data-test-subj="test subject string"
role="option"
Expand Down Expand Up @@ -81,6 +82,7 @@ exports[`EuiSuperSelect props custom display is propagated to dropdown 1`] = `
<button
aria-haspopup="true"
aria-labelledby="undefined generated-id"
aria-selected="true"
class="euiSuperSelectControl euiSuperSelect--isOpen__button"
data-test-subj="superSelect"
role="option"
Expand Down Expand Up @@ -137,8 +139,10 @@ exports[`EuiSuperSelect props custom display is propagated to dropdown 1`] = `
</p>
<div
role="listbox"
tabindex="0"
>
<button
aria-selected="false"
class="euiContextMenuItem euiSuperSelect__item"
id="1"
role="option"
Expand All @@ -163,6 +167,7 @@ exports[`EuiSuperSelect props custom display is propagated to dropdown 1`] = `
</span>
</button>
<button
aria-selected="false"
class="euiContextMenuItem euiSuperSelect__item"
id="2"
role="option"
Expand Down Expand Up @@ -226,6 +231,7 @@ exports[`EuiSuperSelect props fullWidth is rendered 1`] = `
aria-haspopup="true"
aria-label="aria-label"
aria-labelledby="undefined generated-id"
aria-selected="true"
class="euiSuperSelectControl euiSuperSelectControl--fullWidth testClass1 testClass2"
data-test-subj="test subject string"
role="option"
Expand Down Expand Up @@ -280,6 +286,7 @@ exports[`EuiSuperSelect props more props are propogated to each option 1`] = `
<button
aria-haspopup="true"
aria-labelledby="undefined generated-id"
aria-selected="true"
class="euiSuperSelectControl euiSuperSelect--isOpen__button"
data-test-subj="superSelect"
role="option"
Expand Down Expand Up @@ -339,8 +346,10 @@ exports[`EuiSuperSelect props more props are propogated to each option 1`] = `
<div
aria-activedescendant="1"
role="listbox"
tabindex="0"
>
<button
aria-selected="true"
class="euiContextMenuItem euiSuperSelect__item euiContextMenuItem-isDisabled"
disabled=""
id="1"
Expand All @@ -366,6 +375,7 @@ exports[`EuiSuperSelect props more props are propogated to each option 1`] = `
</span>
</button>
<button
aria-selected="false"
class="euiContextMenuItem euiSuperSelect__item"
data-test-subj="option two"
id="2"
Expand Down Expand Up @@ -550,6 +560,7 @@ exports[`EuiSuperSelect props more props are propogated to each option 2`] = `
<button
aria-haspopup="true"
aria-labelledby="undefined generated-id"
aria-selected={true}
className="euiSuperSelectControl euiSuperSelect--isOpen__button"
data-test-subj="superSelect"
onChange={[Function]}
Expand Down Expand Up @@ -704,8 +715,10 @@ exports[`EuiSuperSelect props more props are propogated to each option 2`] = `
<div
aria-activedescendant="1"
role="listbox"
tabindex="0"
>
<button
aria-selected="true"
class="euiContextMenuItem euiSuperSelect__item euiContextMenuItem-isDisabled"
disabled=""
id="1"
Expand All @@ -731,6 +744,7 @@ exports[`EuiSuperSelect props more props are propogated to each option 2`] = `
</span>
</button>
<button
aria-selected="false"
class="euiContextMenuItem euiSuperSelect__item"
data-test-subj="option two"
id="2"
Expand Down Expand Up @@ -789,8 +803,10 @@ exports[`EuiSuperSelect props more props are propogated to each option 2`] = `
<div
aria-activedescendant="1"
role="listbox"
tabindex="0"
>
<button
aria-selected="true"
class="euiContextMenuItem euiSuperSelect__item euiContextMenuItem-isDisabled"
disabled=""
id="1"
Expand All @@ -816,6 +832,7 @@ exports[`EuiSuperSelect props more props are propogated to each option 2`] = `
</span>
</button>
<button
aria-selected="false"
class="euiContextMenuItem euiSuperSelect__item"
data-test-subj="option two"
id="2"
Expand Down Expand Up @@ -913,8 +930,10 @@ exports[`EuiSuperSelect props more props are propogated to each option 2`] = `
<div
aria-activedescendant="1"
role="listbox"
tabIndex="0"
>
<EuiContextMenuItem
aria-selected={true}
buttonRef={[Function]}
className="euiSuperSelect__item"
disabled={true}
Expand All @@ -933,6 +952,7 @@ exports[`EuiSuperSelect props more props are propogated to each option 2`] = `
toolTipPosition="right"
>
<button
aria-selected={true}
className="euiContextMenuItem euiSuperSelect__item euiContextMenuItem-isDisabled"
disabled={true}
id="1"
Expand Down Expand Up @@ -979,6 +999,7 @@ exports[`EuiSuperSelect props more props are propogated to each option 2`] = `
</button>
</EuiContextMenuItem>
<EuiContextMenuItem
aria-selected={false}
buttonRef={[Function]}
className="euiSuperSelect__item"
data-test-subj="option two"
Expand All @@ -997,6 +1018,7 @@ exports[`EuiSuperSelect props more props are propogated to each option 2`] = `
toolTipPosition="right"
>
<button
aria-selected={false}
className="euiContextMenuItem euiSuperSelect__item"
data-test-subj="option two"
id="2"
Expand Down Expand Up @@ -1101,6 +1123,7 @@ exports[`EuiSuperSelect props options are rendered when select is open 1`] = `
<button
aria-haspopup="true"
aria-labelledby="undefined generated-id"
aria-selected="true"
class="euiSuperSelectControl euiSuperSelect--isOpen__button"
data-test-subj="superSelect"
role="option"
Expand Down Expand Up @@ -1157,8 +1180,10 @@ exports[`EuiSuperSelect props options are rendered when select is open 1`] = `
</p>
<div
role="listbox"
tabindex="0"
>
<button
aria-selected="false"
class="euiContextMenuItem euiSuperSelect__item"
id="1"
role="option"
Expand All @@ -1183,6 +1208,7 @@ exports[`EuiSuperSelect props options are rendered when select is open 1`] = `
</span>
</button>
<button
aria-selected="false"
class="euiContextMenuItem euiSuperSelect__item"
id="2"
role="option"
Expand Down Expand Up @@ -1245,6 +1271,7 @@ exports[`EuiSuperSelect props select component is rendered 1`] = `
<button
aria-haspopup="true"
aria-labelledby="undefined generated-id"
aria-selected="true"
class="euiSuperSelectControl"
role="option"
type="button"
Expand Down Expand Up @@ -1298,6 +1325,7 @@ exports[`EuiSuperSelect props valueSelected is rendered 1`] = `
<button
aria-haspopup="true"
aria-labelledby="undefined generated-id"
aria-selected="true"
class="euiSuperSelectControl"
role="option"
type="button"
Expand Down
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