Updating Prettier causes many files to become invalid #3712
Description
You want to:
- report a bug
- request a feature
Current behaviour
When updating Prettier, it starts to report that many files are invalid.
This might be caused by Prettier changing it's mind about some rule default values?
Steps to reproduce (if the current behaviour is a bug)
- Git clone this project
npm installnpm outdated- Update all dependencies except for mocha and prettier
npm run format:check- Observe: prettier has no complaints
npm uninstall --save-dev prettier && npm install --save-dev prettiernpm run format:check- Observe: Prettier complains aboit a bunch of files
C:\ws\socketio>npm outdated
Package Current Wanted Latest Location
mocha 3.5.3 3.5.3 8.2.1 socket.io
prettier 1.19.1 1.19.1 2.2.0 socket.io
C:\ws\socketio>npm uninstall --save-dev prettier && npm install --save-dev prettier
removed 1 package and audited 326 packages in 1.548s
21 packages are looking for funding
run `npm fund` for details
found 3 vulnerabilities (2 low, 1 critical)
run `npm audit fix` to fix them, or `npm audit` for details
+ prettier@2.2.0
added 1 package from 1 contributor and audited 327 packages in 2.27s
21 packages are looking for funding
run `npm fund` for details
found 3 vulnerabilities (2 low, 1 critical)
run `npm audit fix` to fix them, or `npm audit` for details
C:\ws\socketio>npm run format:check
> socket.io@3.0.3 format:check C:\ws\socketio
> prettier --check "lib/**/*.ts" "test/**/*.ts"
Checking formatting...
[warn] lib\client.ts
[warn] lib\index.ts
[warn] lib\namespace.ts
[warn] lib\parent-namespace.ts
[warn] lib\socket.ts
[warn] test\socket.io.ts
[warn] test\support\util.ts
[warn] Code style issues found in the above file(s). Forgot to run Prettier?