Unwanted space after the colon of a namespaced JSX attribute

[lyonbot]

🔎 Search Terms

formatting jsx namespaced attribute extra space

🕗 Version & Regression Information

• This changed between versions v5.0.x and v5.1.0

⏯ Playground Link

https://www.typescriptlang.org/zh/play?#code/MYewdgzgLgBAhjAvDAPAEwJYDcBc8EBmIIMeMARnAE6IBEUAptLTESDpQF50CsLA9AD4A3EA

💻 Code

Paste this into a editor (like VSCode), then format it with default foramtter:

const a = <div: aa foo : bar="test" foo:baz="5" />;

🙁 Actual behavior

Outputs

const a = <div: aa foo: bar="test" foo: baz="5" />;

🙂 Expected behavior

Outputs

const a = <div:aa foo:bar="test" foo:baz="5" />;