Flow is written with OCaml, and it's available through the OPAM package manager (
opam install flowtype).
In this case study, we take an existing React project and attempt to have Flow be able to successfully type check its code. While it will not be an automatic, run the Flow type-checker only one time win, we will show that it does not need to be painful to use Flow on your existing projects.
You Gotta Love Frontend Conference
The You Gotta Love Frontend Conference is being held in Tel Aviv from June 8th through to June 9th, 2015. Tickets are available from 750 NIS, which is about $190. The speakers include Douglas Crockford, Lea Verou, and Martin Kleppe, so it sounds like it'll be worth attending!
jQuery Conference: San Francisco
Famo.us is hosting a jQuery Conference in San Francisco on June 22nd and 23rd:
This is the official jQuery San Francisco conference, which has its own site here: jquerysf.com.