npm install --save @types/spark-md5
This package contains type definitions for spark-md5 (https://github.com/satazor/js-spark-md5#readme).
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/spark-md5
Additional Details
These definitions were written by Bastien Moulia https://github.com/bastienmoulia.