Angular-cli: ng build works but emits a warning

[patrickgdl]

Versions

Angular CLI: 1.7.1
Node: 6.9.5
OS: win32 x64
Angular: 5.2.6

@angular/cli: 1.7.1
@angular-devkit/build-optimizer: 0.3.2
@angular-devkit/core: 0.3.2
@angular-devkit/schematics: 0.3.2
@ngtools/json-schema: 1.2.0
@ngtools/webpack: 1.10.1
@schematics/angular: 0.3.2
@schematics/package-update: 0.3.2
typescript: 2.4.2
webpack-bundle-analyzer: 2.11.0
webpack: 3.11.0

Repro steps

• ng build --prod --base-href ./

Observed behavior

ng build works as expected but emit this warning and it break my css:

WARNING in Invalid character(s) ';
' at 324:2. Ignoring.

Desired behavior

No warning and no breaking

Mention any other details that might be useful (optional)

Where can I find this character at 324:2?

[patrickgdl]

I found the problem, was a ; lost in one of various css that I have, would be nice if this error appeared more clearly and still in ng serve.

[fengerzh]

This is not a bug, can be closed.

[Eddie541]

I have a similar issue, how can I find the offending value? In my case it's an 'Invalid background value at 5609:18'. I've combed through the css / scss files and corrected all my background values yet the warning persists...
Thanks

[patrickgdl]

My workaroung until find the offending value was to prod with ng build --extract-css=false.

[ogousa]

in my case it was background: ""; in a third-party css.
I changed it to background: transparent; and I have no warnings now.

[RyanZhou713]

I have a similar issue, how can I find the offending value? In my case it's an 'Invalid background value at 5609:18'. I've combed through the css / scss files and corrected all my background values yet the warning persists...
Thanks

Same issue with me, did you already fixed it?

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