DeprecationWarning: Use of deprecated folder mapping "./" in the "exports" field module resolution of the package at node_modules\postcss\package.json

user_14389830 0
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Since I upgraded Node to version 16, I started noticing this when I build my Angular app.

DeprecationWarning: Use of deprecated folder mapping "./" in the "exports" field module resolution of the package at "...\node_modules\postcss\package.json".

Update this package.json to use a subpath pattern like "./*".

Is there a way to fix this without downgrading the Node version?

angular typescript node.js javascript
5 Answers

Solution:

  1. Go to defined location C:\<xampp>\htdocs\<projName>\node_modules\tslib\package.json.
  2. At exports field - replace this "./": "./" to "./": "./*".
user_108898800

I was using node 16 switched back to 14 and it started working.

user_84494050
user_90669510

Try with this:

Go to node_modules\postcss\package.json

swap out "./": "./" with "./*": "./"

user_125586230

Take a look at your package.json and check if you have --prod flag in the build script, if so update it for --configuration production

That will solve the issue, too

user_178253670
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