Fix 'Mode graphql failed to advance stream'

[benjie]

Fixes #735

Basically the bad token wasn't being "eaten" so it literally was failing to advance the stream. This fix consumes it.

[benjie]

@robinmetral can you confirm that this deploy fixes the issue for you?

https://deploy-preview-932--graphiql-test.netlify.com/?query=%7B%0A%20%20allFilms%20%7B%0A%20%20%20%20title%C2%A0%0A%20%20%7D%0A%7D

[acao]

Once the user confirms this fix, we can merge this, release GLS, codemirror-graphql, and then graphiql. GraphiQL in master currently depends on unpublished dependency versions FYI!

[acao]

If this is an issue with gls-parser, then we should also see this bug in insomnia and playground

[Neitsch]

Is this issue specific to whitespaces or unicode characters overall? If it's the latter maybe we can tackle unicode characters more broadly in this PR?

[benjie]

Lets do that in a separate PR @Neitsch; this PR is very localised to one specific issue and it already handles /\S+/ and /\s/ so there's no more characters it can handle (since /[\S\s]/ covers all possible characters).

[robinmetral]

@benjie @acao sorry for my late reply, fix confirmed! 🎉

[robinmetral]

@acao do you know when the next release will be? I'm looking forward to bringing this fix to Gatsby 🚀

[acao]

@robinmetral this week, ideally!