Fira Code ligatures (and maybe others ligatures too?) broken

[cloud-walker]

this is Plain Text

this is JavaScript with JSX

As u can see most ligatures are broken... Also the fat arrow ligature seems not broken in my example but when you use it in real code:

:cry:

[BenoitAverty]

I would also like to see this fixed :)

[dem4gus]

I've encountered this as well using Haskelig. I've tracked the issue down to how the grammar is tokenizing these specific multi-character operators. A similar issue is described in atom/language-javascript/issues/252. For comparison, here is how the operator is being tokenized by language-javascript-jsx:

Instead of being keyword operator assignment js and keyword operator relational js they should both be tokenized together as storage type function arrow js, which is what language-javascript currently does:

[BenoitAverty]

As a workaround, I installed the package https://atom.io/packages/language-babel which had the least amount of tokenization issue between the three (language-javascript-jsx, language-javascript and language-babel)