silverwind
3621944c2d
modernize js and use babel (#8973)
* modernize js and use babel
- add babel toolchain to transform modern JS to ES5
- extend eslint config for modern rules
- fixes linting issues via `eslint --fix` and manual fixes
* run 'make css' to satisfy CI
* code style tweaks and set js indendation to 2 in .editorconfig
* regenerate js
silverwind