Just remove the “extractCss”: true from your production environment, it will resolve the problem. The reason about it is extractCss is deprecated, and it’s value is true by default. See more here: Extracting CSS into JS with Angular 11 (deprecated extractCss)
The npm package lodash itself is not an ECMAScript module and therefore produces the warning. There are multiple ways to fix this: Replace with ES modulized library (recommended) Some libraries offer ES modulized builds. In case of lodash, you can replace it with lodash-es. Run npm install –save lodash-es. Now replace all imports from lodash … Read more
When you use a dependency that is packaged with CommonJS, it can result in larger slower applications Starting with version 10, Angular now warns you when your build pulls in one of these bundles. If you’ve started seeing these warnings for your dependencies, let your dependency know that you’d prefer an ECMAScript module (ESM) bundle. … Read more