* Move client-side dev JS to dev folder
* Move eventsource polyfill
* Move source-map-support
* Move error boundary
* Deprecate Container in _app
* Make initialRender check better
* Remove unused code
* Only support one subscription as there is only one
* Don’t spread object
* Shorten property name
* Add container in development too
* Simplify query update logic
* Run prettier over packages/**/*.js
* Run prettier over packages/**/*.ts
* Run prettier over examples
* Remove tslint
* Run prettier over examples
* Run prettier over all markdown files
* Run prettier over json files
Fixes#5363
I noticed this happening when making some changes on the nextjs.org/learn app. Basically we didn't apply updates when a warning was emitted from webpack. This would cause issues for users using eslint-loader or similar too.