The community edition of Phaser CE includes fixes for TypeScript defs and particle emitter input signals.
The community have released Phaser CE v2.8.7. Hot on the heels of 2.8.6 it fixes a few TypeScript defs issues which slipped through and input signals for particle emitters.
Check out the new API Docs page which looks really great and includes.
As usual please see the Change Log for all the details and download the latest build from GitHub, npm or the CDNs.