npm install --save @types/events
This package contains type definitions for events (https://github.com/Gozala/events).
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/events
Additional Details
These definitions were written by Yasunori Ohoka https://github.com/yasupeke, Shenwei Wang https://github.com/weareoutman.