graphql-js

daf11ba1 - Migrate to TS: rename `.js` to `.ts` and fix everything in latter PRs (#3088)

Migrate to TS: rename `.js` to `.ts` and fix everything in latter PRs (#3088) using this `find src -name "*.js" -exec sh -c 'git mv "$0" "${0%.js}.ts"' {} \;` shell command renamed all files in `src`