TypeScript - upgrade TypeScript compiler (tsc upgrade)

In this short article we would like to show how to upgrade TypeScript compiler.

Quick solution:

npm -g upgrade typescript

or upgrade to latest major version:

npm -g install typescript

Notes:

• install run on installed package causes package upgrade to latest major version,
• use sudo under Linux, e.g.
  sudo npm -g upgrade typescript
sudo npm -g install typescript

Detailed description

Open terminal do following steps (in some cases as root, superuser or administrator):

1. Check TypeScript version with command:
   tsc -v
2. Run upgrade with command:

   npm -g upgrade typescript

   under Linux use:

   sudo npm -g upgrade typescript

   where: -g means global instalation mode
3. Check TypeScript version again:
   tsc -v

Note: presented stemps work on different platforms (Windows, Linux, etc.).

Practical example:

$ tsc -v
Version 3.3.3333

$ npm -g upgrade typescript
C:\Users\john\AppData\Roaming\npm\tsc -> C:\Users\john\AppData\Roaming\npm\node_modules\typescript\bin\tsc
C:\Users\john\AppData\Roaming\npm\tsserver -> C:\Users\john\AppData\Roaming\npm\node_modules\typescript\bin\tsserver
+ typescript@3.9.6
updated 1 package in 13.424s

$ tsc -v
Version 3.9.6