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What does this PR do?
Adds rule to ensure that icon-only buttons have an a11yTitle or aria-label so that the action of the button is clear to those who use assistive technologies.
Where should the reviewer start?
lib/rules/button-icon-a11ytitle.js
Can you provide a link to an AST Explorer example that validates the rule works as expected?
https://astexplorer.net/#/gist/095a0e22eac6270a717b67752003a763/dcd2b93a8c03ca618ea4356784c08218f58e15b2
Any background context you want to provide?
What are the relevant issues?
Closes #14
Screenshots (if appropriate)
Tested local in design system site
Have docs been added/updated?
Yes.
Should this PR be mentioned in the release notes?
Yes. Added
button-icon-a11ytitle
.Is this change backwards compatible or is it a breaking change?
Backwards compatible.