npm install --save @types/node
This package contains type definitions for Node.js (http://nodejs.org/).
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/node/v12.
Buffer, NodeJS, __dirname, __filename, clearImmediate, clearInterval, clearTimeout, console, exports, global, module, process, queueMicrotask, require, setImmediate, setInterval, setTimeoutThese definitions were written by Microsoft TypeScript, DefinitelyTyped, Alberto Schiabel, Alexander T., Alvis HT Tang, Andrew Makarov, Benjamin Toueg, Bruno Scheufler, Chigozirim C., David Junger, Deividas Bakanas, Eugene Y. Q. Shen, Flarna, Hannes Magnusson, Hoàng Văn Khải, Huw, Kelvin Jin, Klaus Meinhardt, Lishude, Mariusz Wiktorczyk, Mohsen Azimi, Nicolas Even, Nikita Galkin, Parambir Singh, Sebastian Silbermann, Simon Schick, Thomas den Hollander, Wilco Bakker, wwwy3y3, Zane Hannan AU, Samuel Ainsworth, Kyle Uehlein, Jordi Oliveras Rovira, Thanik Bhongbhibhat, Marcin Kopacz, Trivikram Kamat, Minh Son Nguyen, Junxiao Shi, Ilia Baryshnikov, ExE Boss, and Jason Kwok.