css - Styling shadow DOM with external -


given webpage dynamically loaded web components (shadow dom) , external css files (bootstrap, etc.). want these css files applied within components (shadow dom). possible solutions?

  • using polymer -- we're using angularjs , don't wanna start messing framework too. (although it's possible.)
  • refactoring css files , include /deep/ everywhere -- maintainability...
  • import each css file manually beginning <style> part of each shadow dom -- no comment...

is there better way apply whole css files within shadow doms?

question bit old, putting answer here in case helps.

  1. /deep/ has been deprecated
  2. other option use custom properties provided polymer.

if don't want use polymer suggested in discussion on /deep/ , ::shadow selectors deprecation thread, can use css @imports.
can generate url of external stylesheet , inject in shadow dom templates @ run-time.
have written descriptive answer here on topic.


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