Trouble installing TypeScript on MacBook - Terminal Glitch

I recently got Visual Studio Code on my Mac and wanted to add TypeScript for Angular. I believe I already installed Node.js or Git in the past. However, when I tried running this command from the TypeScript website in the Mac Terminal to install TypeScript, it didn't work:

npm install -g typescript

Upon pasting the command into the Terminal and hitting enter, I encountered the following error code: (Can someone please explain what the issue is? I'm not very proficient with terminals and would appreciate some beginner-friendly tips. Thanks!!)

MacBook-Pro:~ Max$ npm install -g typescript
npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules
npm ERR! path /usr/local/lib/node_modules
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall access
npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules'
...

    MacBook-Pro:~ Max$ npm install -g typescript
    ...
    [Similar error message repeats]

Answer №1

When you see the message "npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules", it means that you do not have permission to download files to that location. This typically happens when you installed nodejs/npm with root privileges.

To resolve this issue, you can run the following command:

sudo npm install -g typescript

You will be prompted to enter your password after running the command.

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