Replace prettier with eslint

.editorconfig

@@ -7,15 +7,5 @@ end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
-indent_style = tab
-
-[*.js]
-indent_size = 4
-
-[*.json]
 indent_style = space
 indent_size = 2
-
-[*.yml]
-indent_style = space
-indent_size = 2

circle.yml

@@ -12,7 +12,7 @@ dependencies:
     - ~/.cache/yarn
 test:
   pre:
-    - yarn lint
+    - yarn format-check
     - yarn flow
   override:
     - yarn test -- --runInBand # Jest overloads our poor container when it tries to parallelise tests, and they all fail.

package.json

@@ -4,8 +4,8 @@
   "private": true,
   "scripts": {
     "start": "node_modules/react-native/packager/packager.sh",
-    "lint": "eslint .",
-    "lint-fix": "npm run lint -- --fix",
+    "format-check": "prettier-check '{app,__{tests,mocks}__}/**/*.js'",
+    "format": "prettier '{app,__{tests,mocks}__}/**/*.js' --write",
     "flow": "flow",
     "test": "jest",
     "update-snapshots": "jest -u"
@@ -22,17 +22,14 @@
     "react-native-vector-icons": "^4.0.0"
   },
   "devDependencies": {
-    "babel-eslint": "^7.1.1",
     "babel-jest": "^19.0.0",
     "babel-preset-react-native": "1.9.1",
-    "eslint": "^3.15.0",
-    "eslint-config-keystone": "^3.0.0",
-    "eslint-config-keystone-react": "^1.0.0",
-    "eslint-plugin-react": "^6.10.0",
     "flow-bin": "^0.39.0",
     "flow-typed": "^2.0.0",
     "jest": "18.1.0",
     "mockdate": "^2.0.1",
+    "prettier": "^0.21.0",
+    "prettier-check": "^1.0.0",
     "react-test-renderer": "15.4.2"
   },
   "jest": {