Braces with a single value are not expanded

[iiroj]

Hello,

I'm not sure if this is a feature or not, but braces containing only a single value do not get expanded properly.

Two values work fine:

❯ node -e "console.log(require('braces')('{x,y}', { expand:true }))"
[ 'x', 'y' ]

However, only a single value doesn't:

❯ node -e "console.log(require('braces')('{x}', { expand:true }))" 
[ '{x}' ]

I would expect it to instead return:

❯ node -e "console.log(require('braces')('{x}', { expand:true }))" 
[ 'x' ]

[jonschlinkert]

This is correct behavior, per bash. This is documented on the readme: https://github.com/micromatch/braces/blob/98414f9f1fabe021736e26836d8306d5de747e0d/README.md#escaping

Do:

$ echo a{a,b}
$ echo a{b}

[jonschlinkert]

Closing since I think this is resolved. Please feel free to reopen if you think this needs to be discussed further.

[iiroj]

Thanks! It makes sense. It's just a common misconfiguration issue with lint-staged, where users write globs like *.{jsx,tsx} and then also *.{json}. I think we just need to add something about it to the README. These are used for micromatch.

[jonschlinkert]

Totally understand! I’ve done it as well!

Sent from my iPhone

On Apr 15, 2021, at 11:36 PM, Iiro Jäppinen @.***> wrote:

 Thanks! It makes sense. It's just a common misconfiguration issue with lint-staged, where users write globs like .{jsx,tsx} and then also .{json}. I think we just need to add something about it to the README. These are used for micromatch.

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