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Treat focusable as enumerated boolean SVG attribute #13339

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merged 2 commits into from Aug 7, 2018

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gaearon
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@gaearon gaearon commented Aug 7, 2018

Fixes #12481.

It's a small behavior change but the old behavior both had a warning (in which case we don't provide strong guarantees) and was inconsistent with other similar attributes. The old behavior was also unintuitive.

Particularly, this relaxes the restriction on <svg focusable> to accept booleans. It's an enumerated attribute with 'true', 'false', and 'auto' values. This makes it consistent with how we already handle the HTML draggable attribute (which also has 'true', 'false', and 'auto' values).

Before:

screen shot 2018-08-07 at 10 07 58 am

screen shot 2018-08-07 at 10 08 19 am

After:

screen shot 2018-08-07 at 10 09 06 am

screen shot 2018-08-07 at 10 08 58 am

There's no behavior change for cases that didn't warn.

I couldn't find other attributes like this except syncMaster (which seems very niche?) so I'm not worried about this list growing.

@gaearon gaearon changed the title Treat focusable as enumerated boolean attribute Treat focusable as enumerated boolean SVG attribute Aug 7, 2018
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@KittyGiraudel KittyGiraudel left a comment

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Yay! 🎉

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@nhunzaker nhunzaker left a comment

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Does the attribute table need to be updated?

@sebmarkbage
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sebmarkbage commented Aug 7, 2018

What does this change do to the attribute table? Particularly, we should confirm that any change came with a warning before this change.

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gaearon commented Aug 7, 2018

Yep. Pushed.

@gaearon gaearon merged commit 3cfab14 into facebook:master Aug 7, 2018
@gaearon gaearon mentioned this pull request Sep 5, 2018
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5 participants