Getting error TS2304: Cannot find name 'Buffer'

Question

I am trying to do base64 encode in NodeJS using TypeScript.

Following code working fine in JavaScript.

When I am writing same thing in TypeScript and compil

Answer 1

Buffer is from Node namespace. First install

npm install --save @types/node

then add below code to your tsconfig.json file inside the compilerOptions section

"types": ["node"],
"typeRoots": ["node_modules/@types"]

The typeRoots entry specifies a list of directories for type definition files to be included. It requires TypeScript version 2.0 or later.