Added eslint loader to webpack

package.json

@@ -78,6 +78,7 @@
         "eslint": "^4",
         "eslint-config-airbnb": "^17.0.0",
         "eslint-import-resolver-babel-module": "^4.0.0",
+        "eslint-loader": "^2.1.0",
         "eslint-plugin-flowtype": "^2.50.0",
         "eslint-plugin-import": "^2.14.0",
         "eslint-plugin-jest": "^21.18.0",

webpack/dev.babel.js

@@ -29,10 +29,16 @@ module.exports = {
     module: {
         rules: [
             {
-                test: /\.jsx?$/,
+                test: /\.js?$/,
                 exclude: /node_modules/,
                 use: [
                     'babel-loader',
+                    {
+                        loader: 'eslint-loader',
+                        options: {
+                            emitWarning: true,
+                        },
+                    },
                     {
                         loader: 'stylelint-custom-processor-loader',
                         options: {

yarn.lock

@@ -3438,6 +3438,16 @@ eslint-import-resolver-node@^0.3.1:
     debug "^2.6.9"
     resolve "^1.5.0"
 
+eslint-loader@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-loader/-/eslint-loader-2.1.0.tgz#61334c548aeb0b8e20ec3a552fb7a88c47261c6a"
+  dependencies:
+    loader-fs-cache "^1.0.0"
+    loader-utils "^1.0.2"
+    object-assign "^4.0.1"
+    object-hash "^1.1.4"
+    rimraf "^2.6.1"
+
 eslint-module-utils@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/eslint-module-utils/-/eslint-module-utils-2.2.0.tgz#b270362cd88b1a48ad308976ce7fa54e98411746"
@@ -4002,6 +4012,14 @@ find-babel-config@^1.1.0:
     json5 "^0.5.1"
     path-exists "^3.0.0"
 
+find-cache-dir@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-0.1.1.tgz#c8defae57c8a52a8a784f9e31c57c742e993a0b9"
+  dependencies:
+    commondir "^1.0.1"
+    mkdirp "^0.5.1"
+    pkg-dir "^1.0.0"
+
 find-cache-dir@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-1.0.0.tgz#9288e3e9e3cc3748717d39eade17cf71fc30ee6f"
@@ -5994,6 +6012,13 @@ load-json-file@^4.0.0:
     pify "^3.0.0"
     strip-bom "^3.0.0"
 
+loader-fs-cache@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/loader-fs-cache/-/loader-fs-cache-1.0.1.tgz#56e0bf08bd9708b26a765b68509840c8dec9fdbc"
+  dependencies:
+    find-cache-dir "^0.1.1"
+    mkdirp "0.5.1"
+
 loader-runner@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.0.tgz#f482aea82d543e07921700d5a46ef26fdac6b8a2"
@@ -6495,7 +6520,7 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
+mkdirp@0.5.1, mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
@@ -6826,6 +6851,10 @@ object-copy@^0.1.0:
     define-property "^0.2.5"
     kind-of "^3.0.3"
 
+object-hash@^1.1.4:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-1.3.0.tgz#76d9ba6ff113cf8efc0d996102851fe6723963e2"
+
 object-keys@^1.0.11, object-keys@^1.0.8:
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.0.11.tgz#c54601778ad560f1142ce0e01bcca8b56d13426d"