npm install --save @types/yargs
This package contains type definitions for yargs (https://github.com/chevex/yargs).
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/yargs.
These definitions were written by Martin Poelstra (https://github.com/poelstra), Mizunashi Mana (https://github.com/mizunashi-mana), Jeffery Grajkowski (https://github.com/pushplay), Jeff Kenney (https://github.com/jeffkenney), Jimi (Dimitris) Charalampidis (https://github.com/JimiC), Steffen Viken Valvåg (https://github.com/steffenvv), Emily Marigold Klassen (https://github.com/forivall), and ExE Boss (https://github.com/ExE-Boss).