manually building with yarn && frontend dist build && lower level api for old mobile (>2.1) phones about frontend HOT 4 CLOSED

➜  frontend git:(34cc489) rm -rf node_modules  
➜  frontend git:(34cc489) yarn && yarn build
yarn install v1.22.4
[1/4] Resolving packages...
[2/4] Fetching packages...
info [email protected]: The platform "linux" is incompatible with this module.
info "[email protected]" is an optional dependency and failed compatibility check. Excluding it from installation.
info [email protected]: The platform "linux" is incompatible with this module.
info "[email protected]" is an optional dependency and failed compatibility check. Excluding it from installation.
[3/4] Linking dependencies...
warning " > [email protected]" has unmet peer dependency "@types/leaflet@^1.5.7".
warning " > [email protected]" has unmet peer dependency "@babel/core@^7.0.0-0".
warning "babel-jest > babel-preset-jest > @babel/[email protected]" has unmet peer dependency "@babel/core@^7.0.0-0".
warning " > @vue/[email protected]" has unmet peer dependency "prettier@>= 1.13.0".
warning " > [email protected]" has unmet peer dependency "@babel/core@^7.0.0".
warning "babel-jest > [email protected]" has unmet peer dependency "@babel/core@^7.0.0".
warning "babel-jest > babel-preset-jest > @babel/[email protected]" has unmet peer dependency "@babel/core@^7.0.0-0".
warning " > [email protected]" has unmet peer dependency "prettier@>= 1.13.0".
warning " > [email protected]" has unmet peer dependency "webpack@^1 || ^2 || ^3 || ^4 || ^5".
warning " > [email protected]" has unmet peer dependency "webpack@^4.36.0 || ^5.0.0".
[4/4] Building fresh packages...
Done in 34.29s.
yarn run v1.22.4
$ vue-cli-service build

⠹  Building for production...Browserslist: caniuse-lite is outdated. Please run next command `yarn upgrade`
⠸  Building for production...

 WARNING  Compiled with 3 warnings                                                                                                                                                            14:19:59

 warning  

asset size limit: The following asset(s) exceed the recommended size limit (244 KiB).
This can impact web performance.
Assets: 
  js/chunk-vendors.e58e6f49.js (869 KiB)

 warning  

entrypoint size limit: The following entrypoint(s) combined asset size exceeds the recommended limit (244 KiB). This can impact web performance.
Entrypoints:
  app (972 KiB)
      css/chunk-vendors.020597aa.css
      js/chunk-vendors.e58e6f49.js
      css/app.9c79704f.css
      js/app.24b831c5.js


 warning  

webpack performance recommendations: 
You can limit the size of your bundles by using import() or require.ensure to lazy load some parts of your application.
For more info visit https://webpack.js.org/guides/code-splitting/

  File                                   Size              Gzipped

  dist/js/chunk-vendors.e58e6f49.js      869.42 KiB        256.19 KiB
  dist/js/app.24b831c5.js                43.67 KiB         11.99 KiB
  dist/config/config.example.js          0.13 KiB          0.11 KiB
  dist/css/chunk-vendors.020597aa.css    48.72 KiB         10.96 KiB
  dist/css/app.9c79704f.css              10.36 KiB         2.43 KiB

  Images and other types of assets omitted.

 DONE  Build complete. The dist directory is ready to be deployed.
 INFO  Check out deployment instructions at https://cli.vuejs.org/guide/deployment.html
      
Done in 26.66s.