Wasn't facebook asking donations for Jest despite being billion dollar company? Couldn't facebook fund the development of Jest instead of asking donations.
(P.S. I don't know full story but 2 years ago I used to see sponsor button on opencollective for Jest. And, the repo actively mentioned jest is owned by facebook)9
(P.S. I don't know full story but 2 years ago I used to see sponsor button on opencollective for Jest. And, the repo actively mentioned jest is owned by facebook)9