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github-pages-deploy-action/node_modules/eslint-plugin-jsx-a11y/docs/rules/mouse-events-have-key-events.md
JamesIves e0c5ab92a5 Dependencies
2020-03-06 22:45:40 -05:00

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mouse-events-have-key-events

Enforce onmouseover/onmouseout are accompanied by onfocus/onblur. Coding for the keyboard is important for users with physical disabilities who cannot use a mouse, AT compatibility, and screenreader users.

Rule details

This rule takes no arguments.

Succeed

<div onMouseOver={ () => void 0 } onFocus={ () => void 0 } />
<div onMouseOut={ () => void 0 } onBlur={ () => void 0 } />
<div onMouseOver={ () => void 0 } onFocus={ () => void 0 } {...otherProps} />
<div onMouseOut={ () => void 0 } onBlur={ () => void 0 } {...otherProps} />

Fail

In example 3 and 4 below, even if otherProps contains onBlur and/or onFocus, this rule will still fail. Props should be passed down explicitly for rule to pass.

<div onMouseOver={ () => void 0 } />
<div onMouseOut={ () => void 0 } />
<div onMouseOver={ () => void 0 } {...otherProps} />
<div onMouseOut={ () => void 0 } {...otherProps} />