'npm --save-dev not updating node_modules

I am new to nodejs and am having trouble with npm.

Whenever I try to install something with 'npm install --save-dev', it shows up in my devDependencies in my package.json but it never gets added to my node_modules folder.

This is what I tried:

  1. Create new folder
  2. npm init -y
  3. npm install typescript --save-dev

Result: In package.json I see "typescript": "^3.1.6" in my devDependencies. No node_modules is even created.

For everyone else it does show up. Can someone help me out here?



Solution 1:[1]

If anyone else is having this issue, make sure your $NODE_ENV wasn't accidentally set to production.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Tyler2P