Client code cleanup: re-organize file structure, set up prettier (#917)

* Client code cleanup: re-organize file structure, set up prettier

* Fix linting

* More lint fixes

* Fix bugs

* Delete separate client README, already captured in Wiki

* Fix broken tests, add React tests to Circle build

* Update flow packages and fix errors

* Fix multiple babel-polyfill injections

* Don't run prettier in Circle builds

.gitignore

@@ -24,6 +24,7 @@
 /config/env/development.env
 
 # Ignore all IDE, TextEditor configuration files
+.vs/
 .idea/
 .tags
 *.swp

circle.yml

@@ -17,19 +17,20 @@ dependencies:
   override:
     - gem install bundler
     - bundle install --path=vendor/bundle --jobs=4 --retry=3
-    - yarn
+    - yarn install
 
 test:
   pre:
     - RAILS_ENV=test bundle exec rake db:create db:schema:load
     - cd client &&
       RAILS_ENV=test bundle exec rake react_on_rails:locale &&
-      yarn run lint:setup && yarn run lint && yarn run build:test
+      yarn lint:setup && yarn lint:build && yarn build:test
   override:
     - bundle exec rspec --format progress --format RspecJunitFormatter -o
       $CIRCLE_TEST_REPORTS/rspec.xml
     - RAILS_ENV=test bundle exec rake jasmine:ci
     - bundle exec bundle-audit check --update
+    - cd client && yarn test
 
 deployment:
   staging:

client/.eslintrc

@@ -8,6 +8,8 @@
   },
   "root": true,
   "rules": {
+    "import/prefer-default-export": ["off"],
+    "react/require-default-props": ["off"],
     "react/sort-comp": [2, {
       "order": [
         "type-annotations",
@@ -24,9 +26,7 @@
     "import/resolver": {
       "node": {
         "paths": [
-          // allow absolute import from "app/libs/.." as "libs/.."
           "./app",
-          // allow absolute import from "../configs/locales.." as "configs/locales.."
           ".."
         ]
       }

client/.prettierrc

@@ -0,0 +1,4 @@
+{
+  "trailingComma": "es5",
+  "singleQuote": true
+}