diff --git a/.eslintrc b/.eslintrc
index 30fa1db..8580e9d 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -34,6 +34,13 @@
       "rules": {
         "react/jsx-filename-extension": 0
       }
+    },
+    {
+      "files": ["**/*.stories.js", ".storybook/**/*"],
+      "rules": {
+        "import/no-extraneous-dependencies": 0,
+        "react/jsx-filename-extension": 0
+      }
     }
   ]
 }
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 001ee2c..af11e44 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5001,6 +5001,7 @@
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       "integrity": "sha1-ZbP8wcoRVajJrmTW7uKX8V1RM8w=",
+      "dev": true,
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         "ast-types-flow": "0.0.7",
         "commander": "^2.11.0"
@@ -5055,6 +5056,7 @@
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       "integrity": "sha1-GEtI9i2S10UrsxsyMWXH+L0CJm0=",
+      "dev": true,
       "requires": {
         "define-properties": "^1.1.2",
         "es-abstract": "^1.7.0"
@@ -5190,7 +5192,8 @@
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       "resolved": "https://registry.npmjs.org/ast-types-flow/-/ast-types-flow-0.0.7.tgz",
-      "integrity": "sha1-9wtzXGvKGlycItmCw+Oef+ujva0="
+      "integrity": "sha1-9wtzXGvKGlycItmCw+Oef+ujva0=",
+      "dev": true
     },
     "astral-regex": {
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@@ -5299,6 +5302,7 @@
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+      "dev": true,
       "requires": {
         "ast-types-flow": "0.0.7"
       }
@@ -7756,7 +7760,8 @@
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       "resolved": "https://registry.npmjs.org/contains-path/-/contains-path-0.1.0.tgz",
-      "integrity": "sha1-/ozxhP9mcLa67wGp1IYaXL7EEgo="
+      "integrity": "sha1-/ozxhP9mcLa67wGp1IYaXL7EEgo=",
+      "dev": true
     },
     "content-disposition": {
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@@ -8515,7 +8520,8 @@
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       "resolved": "https://registry.npmjs.org/damerau-levenshtein/-/damerau-levenshtein-1.0.4.tgz",
-      "integrity": "sha1-AxkcQyy27qFou3fzpV/9zLiXhRQ="
+      "integrity": "sha1-AxkcQyy27qFou3fzpV/9zLiXhRQ=",
+      "dev": true
     },
     "dashdash": {
       "version": "1.14.1",
@@ -9555,6 +9561,37 @@
         }
       }
     },
+    "eslint-config-airbnb": {
+      "version": "17.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-airbnb/-/eslint-config-airbnb-17.1.0.tgz",
+      "integrity": "sha512-R9jw28hFfEQnpPau01NO5K/JWMGLi6aymiF6RsnMURjTk+MqZKllCqGK/0tOvHkPi/NWSSOU2Ced/GX++YxLnw==",
+      "dev": true,
+      "requires": {
+        "eslint-config-airbnb-base": "^13.1.0",
+        "object.assign": "^4.1.0",
+        "object.entries": "^1.0.4"
+      }
+    },
+    "eslint-config-airbnb-base": {
+      "version": "13.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-airbnb-base/-/eslint-config-airbnb-base-13.1.0.tgz",
+      "integrity": "sha512-XWwQtf3U3zIoKO1BbHh6aUhJZQweOwSt4c2JrPDg9FP3Ltv3+YfEv7jIDB8275tVnO/qOHbfuYg3kzw6Je7uWw==",
+      "dev": true,
+      "requires": {
+        "eslint-restricted-globals": "^0.1.1",
+        "object.assign": "^4.1.0",
+        "object.entries": "^1.0.4"
+      }
+    },
+    "eslint-config-prettier": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-4.2.0.tgz",
+      "integrity": "sha512-y0uWc/FRfrHhpPZCYflWC8aE0KRJRY04rdZVfl8cL3sEZmOYyaBdhdlQPjKZBnuRMyLVK+JUZr7HaZFClQiH4w==",
+      "dev": true,
+      "requires": {
+        "get-stdin": "^6.0.0"
+      }
+    },
     "eslint-config-react-app": {
       "version": "3.0.8",
       "resolved": "https://registry.npmjs.org/eslint-config-react-app/-/eslint-config-react-app-3.0.8.tgz",
@@ -9567,6 +9604,7 @@
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       "resolved": "https://registry.npmjs.org/eslint-import-resolver-node/-/eslint-import-resolver-node-0.3.2.tgz",
       "integrity": "sha512-sfmTqJfPSizWu4aymbPr4Iidp5yKm8yDkHp+Ir3YiTHiiDfxh69mOUsmiqW6RZ9zRXFaF64GtYmN7e+8GHBv6Q==",
+      "dev": true,
       "requires": {
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@@ -9576,6 +9614,7 @@
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+          "dev": true,
           "requires": {
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           }
@@ -9583,7 +9622,8 @@
         "ms": {
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           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+          "dev": true
         }
       }
     },
@@ -9603,6 +9643,7 @@
       "version": "2.4.0",
       "resolved": "https://registry.npmjs.org/eslint-module-utils/-/eslint-module-utils-2.4.0.tgz",
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+      "dev": true,
       "requires": {
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@@ -9612,6 +9653,7 @@
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+          "dev": true,
           "requires": {
             "ms": "2.0.0"
           }
@@ -9619,18 +9661,29 @@
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           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+          "dev": true
         },
         "pkg-dir": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-2.0.0.tgz",
           "integrity": "sha1-9tXREJ4Z1j7fQo4L1X4Sd3YVM0s=",
+          "dev": true,
           "requires": {
             "find-up": "^2.1.0"
           }
         }
       }
     },
+    "eslint-plugin-babel": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-babel/-/eslint-plugin-babel-5.3.0.tgz",
+      "integrity": "sha512-HPuNzSPE75O+SnxHIafbW5QB45r2w78fxqwK3HmjqIUoPfPzVrq6rD+CINU3yzoDSzEhUkX07VUphbF73Lth/w==",
+      "dev": true,
+      "requires": {
+        "eslint-rule-composer": "^0.3.0"
+      }
+    },
     "eslint-plugin-flowtype": {
       "version": "2.50.1",
       "resolved": "https://registry.npmjs.org/eslint-plugin-flowtype/-/eslint-plugin-flowtype-2.50.1.tgz",
@@ -9640,26 +9693,29 @@
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-      "resolved": "https://registry.npmjs.org/eslint-plugin-import/-/eslint-plugin-import-2.14.0.tgz",
-      "integrity": "sha512-FpuRtniD/AY6sXByma2Wr0TXvXJ4nA/2/04VPlfpmUDPOpOY264x+ILiwnrk/k4RINgDAyFZByxqPUbSQ5YE7g==",
+      "version": "2.17.2",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-import/-/eslint-plugin-import-2.17.2.tgz",
+      "integrity": "sha512-m+cSVxM7oLsIpmwNn2WXTJoReOF9f/CtLMo7qOVmKd1KntBy0hEcuNZ3erTmWjx+DxRO0Zcrm5KwAvI9wHcV5g==",
+      "dev": true,
       "requires": {
+        "array-includes": "^3.0.3",
         "contains-path": "^0.1.0",
-        "debug": "^2.6.8",
+        "debug": "^2.6.9",
         "doctrine": "1.5.0",
-        "eslint-import-resolver-node": "^0.3.1",
-        "eslint-module-utils": "^2.2.0",
-        "has": "^1.0.1",
-        "lodash": "^4.17.4",
-        "minimatch": "^3.0.3",
+        "eslint-import-resolver-node": "^0.3.2",
+        "eslint-module-utils": "^2.4.0",
+        "has": "^1.0.3",
+        "lodash": "^4.17.11",
+        "minimatch": "^3.0.4",
         "read-pkg-up": "^2.0.0",
-        "resolve": "^1.6.0"
+        "resolve": "^1.10.0"
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       "dependencies": {
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           "version": "2.6.9",
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+          "dev": true,
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@@ -9668,6 +9724,7 @@
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           "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
           "integrity": "sha1-N53Ocw9hZvds76TmcHoVmwLFpvo=",
+          "dev": true,
           "requires": {
             "esutils": "^2.0.2",
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@@ -9676,12 +9733,14 @@
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           "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+          "dev": true
         },
         "load-json-file": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
           "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
+          "dev": true,
           "requires": {
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@@ -9692,12 +9751,14 @@
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           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+          "dev": true
         },
         "parse-json": {
           "version": "2.2.0",
           "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-2.2.0.tgz",
           "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
+          "dev": true,
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@@ -9706,6 +9767,7 @@
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           "integrity": "sha1-8BLMuEFbcJb8LaoQVMPXI4lZTHM=",
+          "dev": true,
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@@ -9714,6 +9776,7 @@
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           "integrity": "sha1-jvHAYjxqbbDcZxPEv6xGMysjaPg=",
+          "dev": true,
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           "integrity": "sha1-a3KoBImE4MQeeVEP1en6mbO1Sb4=",
+          "dev": true,
           "requires": {
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@@ -9732,44 +9796,60 @@
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-          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM="
+          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+          "dev": true
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     },
     "eslint-plugin-jsx-a11y": {
-      "version": "6.1.2",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-jsx-a11y/-/eslint-plugin-jsx-a11y-6.1.2.tgz",
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+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-jsx-a11y/-/eslint-plugin-jsx-a11y-6.2.1.tgz",
+      "integrity": "sha512-cjN2ObWrRz0TTw7vEcGQrx+YltMvZoOEx4hWU8eEERDnBIU00OTq7Vr+jA7DFKxiwLNv4tTh5Pq2GUNEa8b6+w==",
+      "dev": true,
       "requires": {
         "aria-query": "^3.0.0",
         "array-includes": "^3.0.3",
         "ast-types-flow": "^0.0.7",
-        "axobject-query": "^2.0.1",
+        "axobject-query": "^2.0.2",
         "damerau-levenshtein": "^1.0.4",
-        "emoji-regex": "^6.5.1",
+        "emoji-regex": "^7.0.2",
         "has": "^1.0.3",
         "jsx-ast-utils": "^2.0.1"
-      },
-      "dependencies": {
-        "emoji-regex": {
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-          "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-6.5.1.tgz",
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-        }
+      }
+    },
+    "eslint-plugin-prettier": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-prettier/-/eslint-plugin-prettier-3.0.1.tgz",
+      "integrity": "sha512-/PMttrarPAY78PLvV3xfWibMOdMDl57hmlQ2XqFeA37wd+CJ7WSxV7txqjVPHi/AAFKd2lX0ZqfsOc/i5yFCSQ==",
+      "dev": true,
+      "requires": {
+        "prettier-linter-helpers": "^1.0.0"
       }
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     "eslint-plugin-react": {
-      "version": "7.12.4",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-react/-/eslint-plugin-react-7.12.4.tgz",
-      "integrity": "sha512-1puHJkXJY+oS1t467MjbqjvX53uQ05HXwjqDgdbGBqf5j9eeydI54G3KwiJmWciQ0HTBacIKw2jgwSBSH3yfgQ==",
+      "version": "7.13.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-react/-/eslint-plugin-react-7.13.0.tgz",
+      "integrity": "sha512-uA5LrHylu8lW/eAH3bEQe9YdzpPaFd9yAJTwTi/i/BKTD7j6aQMKVAdGM/ML72zD6womuSK7EiGtMKuK06lWjQ==",
+      "dev": true,
       "requires": {
         "array-includes": "^3.0.3",
         "doctrine": "^2.1.0",
         "has": "^1.0.3",
-        "jsx-ast-utils": "^2.0.1",
+        "jsx-ast-utils": "^2.1.0",
         "object.fromentries": "^2.0.0",
-        "prop-types": "^15.6.2",
-        "resolve": "^1.9.0"
+        "prop-types": "^15.7.2",
+        "resolve": "^1.10.1"
+      },
+      "dependencies": {
+        "resolve": {
+          "version": "1.10.1",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.10.1.tgz",
+          "integrity": "sha512-KuIe4mf++td/eFb6wkaPbMDnP6kObCaEtIDuHOUED6MNUo4K670KZUHuuvYPZDxNF0WVLw49n06M2m2dXphEzA==",
+          "dev": true,
+          "requires": {
+            "path-parse": "^1.0.6"
+          }
+        }
       }
     },
     "eslint-plugin-react-hooks": {
@@ -9777,6 +9857,18 @@
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     },
+    "eslint-restricted-globals": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/eslint-restricted-globals/-/eslint-restricted-globals-0.1.1.tgz",
+      "integrity": "sha1-NfDVy8ZMLj7WLpO0saevBbp+1Nc=",
+      "dev": true
+    },
+    "eslint-rule-composer": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/eslint-rule-composer/-/eslint-rule-composer-0.3.0.tgz",
+      "integrity": "sha512-bt+Sh8CtDmn2OajxvNO+BX7Wn4CIWMpTRm3MaiKPCQcnnlm0CS2mhui6QaoeQugs+3Kj2ESKEEGJUdVafwhiCg==",
+      "dev": true
+    },
     "eslint-scope": {
       "version": "3.7.1",
       "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-3.7.1.tgz",
@@ -10062,6 +10154,12 @@
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       "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
     },
+    "fast-diff": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/fast-diff/-/fast-diff-1.2.0.tgz",
+      "integrity": "sha512-xJuoT5+L99XlZ8twedaRf6Ax2TgQVxvgZOYoPKqZufmJib0tL2tegPBOZb1pVNgIhlqDlA0eO0c3wBvQcmzx4w==",
+      "dev": true
+    },
     "fast-glob": {
       "version": "2.2.6",
       "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-2.2.6.tgz",
@@ -11673,6 +11771,12 @@
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     },
+    "get-stdin": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-6.0.0.tgz",
+      "integrity": "sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g==",
+      "dev": true
+    },
     "get-stream": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
@@ -14116,9 +14220,10 @@
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-      "resolved": "https://registry.npmjs.org/jsx-ast-utils/-/jsx-ast-utils-2.0.1.tgz",
-      "integrity": "sha1-6AGxs5mF4g//yHtA43SAgOLcrH8=",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/jsx-ast-utils/-/jsx-ast-utils-2.1.0.tgz",
+      "integrity": "sha512-yDGDG2DS4JcqhA6blsuYbtsT09xL8AoLuUR2Gb5exrw7UEM19sBcOTq+YBBhrNbl0PUC4R4LnFu+dHg2HKeVvA==",
+      "dev": true,
       "requires": {
         "array-includes": "^3.0.3"
       }
@@ -18590,6 +18695,7 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/object.fromentries/-/object.fromentries-2.0.0.tgz",
       "integrity": "sha512-9iLiI6H083uiqUuvzyY6qrlmc/Gz8hLQFOcb/Ri/0xXFkSNS3ctV+CbE6yM2+AnkYfOB3dGjdzC0wrMLIhQICA==",
+      "dev": true,
       "requires": {
         "define-properties": "^1.1.2",
         "es-abstract": "^1.11.0",
@@ -21161,6 +21267,21 @@
       "resolved": "https://registry.npmjs.org/preserve/-/preserve-0.2.0.tgz",
       "integrity": "sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks="
     },
+    "prettier": {
+      "version": "1.17.0",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.17.0.tgz",
+      "integrity": "sha512-sXe5lSt2WQlCbydGETgfm1YBShgOX4HxQkFPvbxkcwgDvGDeqVau8h+12+lmSVlP3rHPz0oavfddSZg/q+Szjw==",
+      "dev": true
+    },
+    "prettier-linter-helpers": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/prettier-linter-helpers/-/prettier-linter-helpers-1.0.0.tgz",
+      "integrity": "sha512-GbK2cP9nraSSUF9N2XwUwqfzlAFlMNYYl+ShE/V+H8a9uNl/oUqB1w2EL54Jh0OlyRSd8RfWYJ3coVS4TROP2w==",
+      "dev": true,
+      "requires": {
+        "fast-diff": "^1.1.2"
+      }
+    },
     "pretty-bytes": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/pretty-bytes/-/pretty-bytes-4.0.2.tgz",
@@ -22051,9 +22172,6 @@
         "eslint-config-react-app": "^3.0.8",
         "eslint-loader": "2.1.1",
         "eslint-plugin-flowtype": "2.50.1",
-        "eslint-plugin-import": "2.14.0",
-        "eslint-plugin-jsx-a11y": "6.1.2",
-        "eslint-plugin-react": "7.12.4",
         "file-loader": "2.0.0",
         "fs-extra": "7.0.1",
         "fsevents": "1.2.4",
diff --git a/src/app/Privacy.jsx b/src/app/Privacy.jsx
index 16c4393..10177fb 100644
--- a/src/app/Privacy.jsx
+++ b/src/app/Privacy.jsx
@@ -12,14 +12,16 @@ const StyledView = styled(View)``;
 
 const PrivacyView = () => (
   <StyledView>
-    <Heading level="4" margin={{ top: 'small', bottom: 'none' }}>
+    <Heading margin={{ top: 'small', bottom: 'none' }}>
       Privacy Policy
     </Heading>
 
     <p>Effective date: September 20, 2018</p>
     <p>
-      Rekognition ("us", "we", or "our") operates the www.rekognition.gasserandreas.com website and the Rekognition
-      mobile application (hereinafter referred to as the "Service").
+      Rekognition (&quot;us&quot;, &quot;we&quot;, or &quot;our&quot;) operates the
+      {' '}
+      www.rekognition.gasserandreas.com website and the Rekognition
+      mobile application (hereinafter referred to as the &quot;Service&quot;).
     </p>
 
     <p>
@@ -27,7 +29,6 @@ const PrivacyView = () => (
       our Service and the choices you have associated with that data. Our Privacy Policy for Rekognition is managed with
       the help of
       <a href="https://privacypolicies.com/free-privacy-policy-generator/">Privacy Policies</a>
-.
     </p>
 
     <p>
@@ -48,8 +49,9 @@ const PrivacyView = () => (
 
     <p>
       While using our Service, we may ask you to provide us with certain personally identifiable information that can be
-      used to contact or identify you ("Personal Data"). Personally identifiable information may include, but is not
-      limited to:
+      used to contact or identify you (&quot;Personal Data&quot;). Personally identifiable information
+      {' '}
+      may include, but is not limited to:
     </p>
 
     <ul>
@@ -61,10 +63,10 @@ const PrivacyView = () => (
 
     <p>
       We may also collect information that your browser sends whenever you visit our Service or when you access the
-      Service by or through a mobile device ("Usage Data").
+      Service by or through a mobile device (&quot;Usage Data&quot;).
     </p>
     <p>
-      This Usage Data may include information such as your computer's Internet Protocol address (e.g. IP address),
+      This Usage Data may include information such as your computer&apos;s Internet Protocol address (e.g. IP address),
       browser type, browser version, the pages of our Service that you visit, the time and date of your visit, the time
       spent on those pages, unique device identifiers and other diagnostic data.
     </p>
@@ -163,7 +165,9 @@ We use Security Cookies for security purposes.
 
     <h2>Service Providers</h2>
     <p>
-      We may employ third party companies and individuals to facilitate our Service ("Service Providers"), to provide
+      We may employ third party companies and individuals to facilitate our
+      {' '}
+      Service (&quot;Service Providers&quot;), to provide
       the Service on our behalf, to perform Service-related services or to assist us in analyzing how our Service is
       used.
     </p>
@@ -195,7 +199,9 @@ We use Security Cookies for security purposes.
     <h2>Links To Other Sites</h2>
     <p>
       Our Service may contain links to other sites that are not operated by us. If you click on a third party link, you
-      will be directed to that third party's site. We strongly advise you to review the Privacy Policy of every site you
+      will be directed to that third party&apos;s site. We strongly advise
+      {' '}
+      you to review the Privacy Policy of every site you
       visit.
     </p>
     <p>
@@ -203,8 +209,8 @@ We use Security Cookies for security purposes.
       party sites or services.
     </p>
 
-    <h2>Children's Privacy</h2>
-    <p>Our Service does not address anyone under the age of 18 ("Children").</p>
+    <h2>Children&apos;s Privacy</h2>
+    <p>Our Service does not address anyone under the age of 18 (&quot;Children&quot;).</p>
     <p>
       We do not knowingly collect personally identifiable information from anyone under the age of 18. If you are a
       parent or guardian and you are aware that your Children has provided us with Personal Data, please contact us. If
@@ -219,7 +225,7 @@ We use Security Cookies for security purposes.
     </p>
     <p>
       We will let you know via email and/or a prominent notice on our Service, prior to the change becoming effective
-      and update the "effective date" at the top of this Privacy Policy.
+      and update the &quot;effective date&quot; at the top of this Privacy Policy.
     </p>
     <p>
       You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are
diff --git a/src/app/PrivateRoute.jsx b/src/app/PrivateRoute.jsx
index 9bcdba2..d1068c5 100644
--- a/src/app/PrivateRoute.jsx
+++ b/src/app/PrivateRoute.jsx
@@ -1,5 +1,6 @@
 import React from 'react';
 import { Route, Redirect } from 'react-router-dom';
+import PropTypes from 'prop-types';
 
 import * as Paths from '../paths';
 
@@ -20,6 +21,14 @@ const PrivateRoute = ({ component: Component, isAuthenticated, ...rest }) => (
   />
 );
 
-PrivateRoute.propTypes = {};
+PrivateRoute.propTypes = {
+  component: PropTypes.any.isRequired, // eslint-disable-line react/forbid-prop-types
+  isAuthenticated: PropTypes.bool.isRequired,
+  location: PropTypes.shape({}),
+};
+
+PrivateRoute.defaultProps = {
+  location: undefined,
+};
 
 export default PrivateRoute;
diff --git a/src/app/__tests__/Privacy.test.js b/src/app/__tests__/Privacy.test.js
index 0526e97..0383448 100644
--- a/src/app/__tests__/Privacy.test.js
+++ b/src/app/__tests__/Privacy.test.js
@@ -11,7 +11,7 @@ import Privacy from '../Privacy';
 describe('Privacy test suite', () => {
   const getPrivacy = props => mount(
     <MemoryRouter>
-      <Privacy {...props}/>
+      <Privacy {...props} />
     </MemoryRouter>,
   );
 
diff --git a/src/auth/__tests__/AuthComponent.test.js b/src/auth/__tests__/AuthComponent.test.js
index 54f3cd4..4bfbf93 100644
--- a/src/auth/__tests__/AuthComponent.test.js
+++ b/src/auth/__tests__/AuthComponent.test.js
@@ -5,7 +5,7 @@ import 'jest-styled-components';
 
 import { MemoryRouter } from 'react-router-dom';
 
-import { AuthHeader, AuthFooter, __testables__ } from '../AuthComponents';
+import { AuthHeader, AuthFooter } from '../AuthComponents';
 
 describe('AuthComponent test suite', () => {
   describe('AuthHeader test suite', () => {
diff --git a/src/auth/login/LoginForm.jsx b/src/auth/login/LoginForm.jsx
index f3eb829..4bdc349 100644
--- a/src/auth/login/LoginForm.jsx
+++ b/src/auth/login/LoginForm.jsx
@@ -26,7 +26,7 @@ const mapPropsToValues = (obj) => {
   };
 };
 
-const handleSubmit = (payload, { props }, b, c) => {
+const handleSubmit = (payload, { props }, _, __) => {
   props.onSubmit(payload);
 };
 
@@ -116,6 +116,19 @@ const LoginForm = (props) => {
   );
 };
 
+LoginForm.propTypes = {
+  values: PropTypes.shape({}).isRequired,
+  touched: PropTypes.bool.isRequired,
+  errors: PropTypes.shape({}).isRequired,
+  dirty: PropTypes.shape({}).isRequired,
+  handleChange: PropTypes.func.isRequired,
+  handleBlur: PropTypes.func.isRequired,
+  handleSubmit: PropTypes.func.isRequired,
+  handleReset: PropTypes.func.isRequired,
+  submitting: PropTypes.bool.isRequired,
+  error: PropTypes.string.isRequired,
+};
+
 const EnhancedLoginForm = formikEnhancer(LoginForm);
 
 EnhancedLoginForm.propTypes = {
diff --git a/src/auth/login/LoginView.jsx b/src/auth/login/LoginView.jsx
index 01c5260..c638a63 100644
--- a/src/auth/login/LoginView.jsx
+++ b/src/auth/login/LoginView.jsx
@@ -11,7 +11,7 @@ import Card from '../../ui/Card';
 import { createUseIsAuthenticatedHistoryPush } from '../../ui/hooks/auth';
 
 import * as Paths from '../../paths';
-import { HOCRequestPropTypes } from '../../util/PropTypes';
+import { HOCRequestPropTypes, HistoryPropType } from '../../util/PropTypes';
 import { Colors } from '../../styles';
 
 // creat hook
@@ -56,6 +56,8 @@ const LoginView = ({
 LoginView.propTypes = {
   isAuthenticated: PropTypes.bool.isRequired,
   loginRequest: HOCRequestPropTypes.isRequired,
+  logInUser: PropTypes.shape({}).isRequired,
+  history: HistoryPropType.isRequired,
 };
 
 export default LoginView;
diff --git a/src/auth/register/RegisterForm.jsx b/src/auth/register/RegisterForm.jsx
index 3e6a2b5..ff46e5c 100644
--- a/src/auth/register/RegisterForm.jsx
+++ b/src/auth/register/RegisterForm.jsx
@@ -31,7 +31,7 @@ const mapPropsToValues = (obj) => {
   };
 };
 
-const handleSubmit = (payload, { props }, b, c) => {
+const handleSubmit = (payload, { props }) => {
   props.onSubmit(payload);
 };
 
@@ -136,6 +136,20 @@ const RegisterForm = ({
   );
 };
 
+RegisterForm.propTypes = {
+  validEmail: undefined,
+  error: '',
+  values: PropTypes.shape({}).isRequired,
+  touched: PropTypes.bool.isRequired,
+  errors: PropTypes.shape({}).isRequired,
+  dirty: PropTypes.shape({}).isRequired,
+  handleChange: PropTypes.func.isRequired,
+  handleBlur: PropTypes.func.isRequired,
+  handleSubmit: PropTypes.func.isRequired,
+  handleReset: PropTypes.func.isRequired,
+  submitting: PropTypes.bool.isRequired,
+};
+
 const EnhancedRegisterForm = formikEnhancer(RegisterForm);
 
 EnhancedRegisterForm.propTypes = {
@@ -159,8 +173,6 @@ EnhancedRegisterForm.defaultProps = {
     password: '',
     remember: false,
   },
-  validEmail: undefined,
-  error: '',
 };
 
 export const __testables__ = {
diff --git a/src/images/detail/Faces.jsx b/src/images/detail/Faces.jsx
index 9129116..2d5e68d 100644
--- a/src/images/detail/Faces.jsx
+++ b/src/images/detail/Faces.jsx
@@ -54,7 +54,9 @@ StyledFace.defaultProps = {
   selected: false,
 };
 
-export const Face = ({ face, number, ...props }) => {
+export const Face = ({
+  face, number, selected, ...props
+}) => {
   const {
     id, age, attributes, emotions,
   } = face;
@@ -75,7 +77,7 @@ export const Face = ({ face, number, ...props }) => {
         Face
         {' '}
         {number}
-        {props.selected && (
+        {selected && (
           <Text color="brand" size="small">
             {' '}
             (selected)
@@ -109,6 +111,8 @@ Face.propTypes = {
     emotions: PropTypes.arrayOf(AttributePropType).isRequired,
     attributes: PropTypes.arrayOf(AttributePropType).isRequired,
   }).isRequired,
+  number: PropTypes.number.isRequired,
+  selected: PropTypes.bool.isRequired,
   onClick: PropTypes.func.isRequired,
 };
 
diff --git a/src/images/detail/Image.jsx b/src/images/detail/Image.jsx
index d12ca55..4957ee1 100644
--- a/src/images/detail/Image.jsx
+++ b/src/images/detail/Image.jsx
@@ -77,7 +77,7 @@ const getPositions = (meta, wrapperBounding) => {
 
   if (orientation === 'LANDSCAPE') {
     // simple case, use full wrapper width
-    width = imageContainerPosition.width;
+    width = imageContainerPosition.width; // eslint-disable-line prefer-destructuring
 
     // get height by sticking with the ratio
     ratio = imageWidth / width;
@@ -85,20 +85,20 @@ const getPositions = (meta, wrapperBounding) => {
 
     // check if image height fits into viewport by using max width
     if (height > imageContainerPosition.height) {
-      height = imageContainerPosition.height;
+      height = imageContainerPosition.height; // eslint-disable-line prefer-destructuring
       ratio = imageHeight / height;
       width = imageWidth / ratio;
     }
   } else {
     // portrait mode full height
-    height = imageContainerPosition.height;
+    height = imageContainerPosition.height; // eslint-disable-line prefer-destructuring
     ratio = imageHeight / height;
     width = imageWidth / ratio;
 
     // check if image width fits into viewport by using max height
     if (width > imageContainerPosition.width) {
       // scale image down to full width
-      width = imageContainerPosition.width;
+      width = imageContainerPosition.width; // eslint-disable-line prefer-destructuring
       ratio = imageWidth / width;
       height = imageHeight / ratio;
     }
@@ -164,7 +164,7 @@ const ImageContainer = ({ image: { meta, path }, selectedFace, selectedLabel })
         {selectedLabel && (
           <span id="jestSelectedLabel">
             {selectedLabel.instances.map((pos, i) => (
-              <StyledSelector key={`label_selector_${i}`} pos={pos} />
+              <StyledSelector key={`label_selector_${i}`} pos={pos} /> // eslint-disable-line react/no-array-index-key
             ))}
           </span>
         )}
@@ -174,17 +174,13 @@ const ImageContainer = ({ image: { meta, path }, selectedFace, selectedLabel })
   );
 };
 
-Image.propTypes = {
+ImageContainer.propTypes = {
   image: PropTypes.shape({
-    meta: PropTypes.shape({
-      height: PropTypes.number.isRequired,
-      width: PropTypes.number.isRequired,
-      orientation: PropTypes.string.isRequired,
-    }).isRequired,
+    meta: PropTypes.shape({}),
     path: PropTypes.string.isRequired,
-  }),
-  selectedFace: PropTypes.shape({}),
-  selectedLabel: PropTypes.shape({}),
+  }).isRequired,
+  selectedFace: PropTypes.shape({}).isRequired,
+  selectedLabel: PropTypes.shape({}).isRequired,
 };
 
 export const __testables__ = {
diff --git a/src/images/list/ImageList.jsx b/src/images/list/ImageList.jsx
index ba429d3..8e6299c 100644
--- a/src/images/list/ImageList.jsx
+++ b/src/images/list/ImageList.jsx
@@ -43,7 +43,7 @@ const StyledImageAttr = styled(Box)`
     cursor: pointer;
   }
 
-  label {
+  span {
     display: flex;
     flex-flow: row;
     flex-wrap: 0;
@@ -56,24 +56,30 @@ const ImageAttr = ({
 }) => (
   <StyledImageAttr direction="row" {...props}>
     <Box align="center">
-      <label id="jestDateTimeLabel">
+      <span id="jestDateTimeLabel">
         <Clock />
         {getDefaultFormatedDate(created)}
-      </label>
+      </span>
     </Box>
     <Box align="center" alignContent="between" direction="row">
-      <label style={{ marginRight: '0.5rem' }}>
+      <span style={{ marginRight: '0.5rem' }}>
         <Group />
         {numberOfFaces}
-      </label>
-      <label>
+      </span>
+      <span>
         <Tag />
         {numberOfLabels}
-      </label>
+      </span>
     </Box>
   </StyledImageAttr>
 );
 
+ImageAttr.propTypes = {
+  created: PropTypes.string.isRequired,
+  numberOfFaces: PropTypes.number.isRequired,
+  numberOfLabels: PropTypes.number.isRequired,
+};
+
 // image
 const StyledImage = styled(AsyncImage)`
   flex-shrink: 1;
diff --git a/src/images/list/ListView.jsx b/src/images/list/ListView.jsx
index cdee540..b4a07f1 100644
--- a/src/images/list/ListView.jsx
+++ b/src/images/list/ListView.jsx
@@ -1,12 +1,12 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 
-import { View } from '../../ui/View';
+import View from '../../ui/View';
 
 import ImageList from './ImageList';
 import AddImageButton from '../AddImageButton';
 
-import { HOCRequestPropTypes } from '../../util/PropTypes';
+import { HOCRequestPropTypes, HistoryPropType } from '../../util/PropTypes';
 
 import * as Paths from '../../paths';
 
@@ -24,6 +24,7 @@ const ListView = props => (
 ListView.propTypes = {
   images: PropTypes.arrayOf(PropTypes.shape({})).isRequired,
   addImageRequest: HOCRequestPropTypes.isRequired,
+  history: HistoryPropType.isRequired,
 };
 
 ListView.defaultProps = {};
diff --git a/src/images/list/__tests__/Container.test.js b/src/images/list/__tests__/Container.test.js
index e60e637..aa25b76 100644
--- a/src/images/list/__tests__/Container.test.js
+++ b/src/images/list/__tests__/Container.test.js
@@ -1,7 +1,7 @@
 import { __testables__ } from '../Container';
 import { listImages } from '../../../redux/images';
 
-const { select, mapDispatchToProps, mapKeyToValue } = __testables__;
+const { select, mapDispatchToProps } = __testables__;
 
 describe('images list container test suite', () => {
   const expectedInitialState = {
diff --git a/src/images/list/__tests__/ImageList.test.js b/src/images/list/__tests__/ImageList.test.js
index bdf0819..44a873d 100644
--- a/src/images/list/__tests__/ImageList.test.js
+++ b/src/images/list/__tests__/ImageList.test.js
@@ -130,7 +130,14 @@ describe('ImageList test suite', () => {
       const image = initialProps.images[0];
       const { meta, created } = image;
       const { numberOfFaces, numberOfLabels } = meta;
-      return mount(<ImageAttr created={created} numberOfFaces={numberOfFaces} numberOfLabels={numberOfLabels} />);
+      return mount(
+        <ImageAttr
+          created={created}
+          numberOfFaces={numberOfFaces}
+          numberOfLabels={numberOfLabels}
+          {...props}
+        />,
+      );
     };
 
     it('should render', () => {
diff --git a/src/images/list/__tests__/ListView.test.js b/src/images/list/__tests__/ListView.test.js
index 61d6ba3..5c964c5 100644
--- a/src/images/list/__tests__/ListView.test.js
+++ b/src/images/list/__tests__/ListView.test.js
@@ -1,8 +1,7 @@
 /* globals testUtils */
 import React from 'react';
-import { mount, shallow } from 'enzyme';
+import { mount } from 'enzyme';
 import { Provider } from 'react-redux';
-import toJson from 'enzyme-to-json';
 import 'jest-styled-components';
 
 import ListView from '../ListView';
diff --git a/src/index.js b/src/index.js
index 5812b5e..7c528f4 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,4 +1,5 @@
-import 'react-app-polyfill/ie9';
+/* eslint-disable react/jsx-filename-extension */
+import 'react-app-polyfill/ie9'; // eslint-disable-line import/no-extraneous-dependencies
 
 import React, { Component } from 'react';
 import ReactDOM from 'react-dom';
@@ -17,8 +18,7 @@ const { store, persistor } = configureStore();
 
 // persistor.purge();
 
-class Index extends Component {
-  // eslint-disable-line react/prefer-stateless-function
+class Index extends Component { // eslint-disable-line react/prefer-stateless-function
   render() {
     return (
       <Provider store={store}>
diff --git a/src/redux/HOC.js b/src/redux/HOC.js
index 9b75ded..cd6ee65 100644
--- a/src/redux/HOC.js
+++ b/src/redux/HOC.js
@@ -1,3 +1,4 @@
+/* eslint-disable no-console */
 import { createNetworkError } from '../util/ErrorHandler';
 
 // utils
@@ -65,7 +66,7 @@ export const hocAsyncAction = (ACTION_TYPE, createThunk, userOptions) => {
             return Promise.resolve(payload);
           })
           // proceed with error
-          .catch((error) => {
+          .catch((error) => { // eslint-disable-line consistent-return
             dispatch({
               type: ACTION_TYPE.ERROR,
               payload: createNetworkError(error),
diff --git a/src/redux/application/__tests__/index.test.js b/src/redux/application/__tests__/index.test.js
index 6441038..5a6832c 100644
--- a/src/redux/application/__tests__/index.test.js
+++ b/src/redux/application/__tests__/index.test.js
@@ -52,7 +52,7 @@ describe('application complex action test suite', () => {
     },
     userId: '730dd215-a5f6-4b32-bb81-cf1e8ec89099',
     token:
-      'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiI3MzBkZDIxNS1hNWY2LTRiMzItYmI4MS1jZjFlOGVjODkwMzkiLCJjcmVhdGVkQXQiOjE1NTMyMDEwMjM5NzYsImlhdCI6MTU1MzIwMTAyM30.CI1ZSQodWkuGMAQJQRZ5F7bGFKJHTWj-ql0f_INVALID',
+      'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiI3MzBkZDIxNS1hNWY2LTRiMzItYmI4MS1jZjFlOGVjODkwMzkiLCJjcmVhdGVkQXQiOjE1NTMyMDEwMjM5NzYsImlhdCI6MTU1MzIwMTAyM30.CI1ZSQodWkuGMAQJQRZ5F7bGFKJHTWj-ql0f_INVALID', // eslint-disable-line max-len
   };
 
   const jestDummyActionListImage = testUtils.dummyTestAction('LIST_IMAGES');
diff --git a/src/redux/application/__tests__/selector.test.js b/src/redux/application/__tests__/selector.test.js
index 1f9e7cb..0348dc3 100644
--- a/src/redux/application/__tests__/selector.test.js
+++ b/src/redux/application/__tests__/selector.test.js
@@ -1,4 +1,3 @@
-/* global testUtils */
 import * as selectors from '../selectors';
 
 import * as reduxApplication from '../index';
diff --git a/src/redux/application/index.js b/src/redux/application/index.js
index 08143c2..712886b 100644
--- a/src/redux/application/index.js
+++ b/src/redux/application/index.js
@@ -40,6 +40,13 @@ const applicationDidLoad = () => ({
   payload: AppStatus.APPLICATION_DID_LOAD,
 });
 
+export const loadApplicationAuthenticated = () => (dispatch) => {
+  // do more stuff in here
+  dispatch(listImages());
+
+  dispatch(applicationDidLoad());
+};
+
 // complex actions
 export const loadApplication = () => async (dispatch, getState) => {
   dispatch(applicationWillLoad());
@@ -77,13 +84,6 @@ export const loadApplication = () => async (dispatch, getState) => {
   }
 };
 
-export const loadApplicationAuthenticated = () => (dispatch) => {
-  // do more stuff in here
-  dispatch(listImages());
-
-  dispatch(applicationDidLoad());
-};
-
 // reducers
 const status = (state = AppStatus.INITIAL, action) => {
   switch (action.type) {
diff --git a/src/redux/application/message/__tests__/selector.test.js b/src/redux/application/message/__tests__/selector.test.js
index dc00df7..1c4a212 100644
--- a/src/redux/application/message/__tests__/selector.test.js
+++ b/src/redux/application/message/__tests__/selector.test.js
@@ -1,4 +1,3 @@
-/* global testUtils */
 import * as selectors from '../selectors';
 
 const initialState = {
diff --git a/src/redux/auth/__tests__/index.test.js b/src/redux/auth/__tests__/index.test.js
index ce035a3..6c891cb 100644
--- a/src/redux/auth/__tests__/index.test.js
+++ b/src/redux/auth/__tests__/index.test.js
@@ -15,7 +15,7 @@ const mockedData = {
   lastname: 'User',
   id: '730dd215-a5f6-4b32-bb81-cf1e8ec89099',
   token:
-    'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiI3MzBkZDIxNS1hNWY2LTRiMzItYmI4MS1jZjFlOGVjODkwMzkiLCJjcmVhdGVkQXQiOjE1NTMyMDEwMjM5NzYsImlhdCI6MTU1MzIwMTAyM30.CI1ZSQodWkuGMAQJQRZ5F7bGFKJHTWj-ql0f_INVALID',
+    'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiI3MzBkZDIxNS1hNWY2LTRiMzItYmI4MS1jZjFlOGVjODkwMzkiLCJjcmVhdGVkQXQiOjE1NTMyMDEwMjM5NzYsImlhdCI6MTU1MzIwMTAyM30.CI1ZSQodWkuGMAQJQRZ5F7bGFKJHTWj-ql0f_INVALID', // eslint-disable-line max-len
   remember: true,
 };
 
diff --git a/src/redux/auth/__tests__/selectors.test.js b/src/redux/auth/__tests__/selectors.test.js
index 2658504..0ad5450 100644
--- a/src/redux/auth/__tests__/selectors.test.js
+++ b/src/redux/auth/__tests__/selectors.test.js
@@ -20,7 +20,7 @@ const state = {
     userId: '730dd215-a5f6-4b32-bb81-cf1e8ec89099',
     username: 'Test user',
     token:
-      'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiI3MzBkZDIxNS1hNWY2LTRiMzItYmI4MS1jZjFlOGVjODkwMzkiLCJjcmVhdGVkQXQiOjE1NTMyMDEwMjM5NzYsImlhdCI6MTU1MzIwMTAyM30.CI1ZSQodWkuGMAQJQRZ5F7bGFKJHTWj-ql0f_INVALID',
+      'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiI3MzBkZDIxNS1hNWY2LTRiMzItYmI4MS1jZjFlOGVjODkwMzkiLCJjcmVhdGVkQXQiOjE1NTMyMDEwMjM5NzYsImlhdCI6MTU1MzIwMTAyM30.CI1ZSQodWkuGMAQJQRZ5F7bGFKJHTWj-ql0f_INVALID', // eslint-disable-line max-len
     meta: {
       loggedIn: true,
       loggedInSince: Date.now(),
diff --git a/src/redux/auth/index.js b/src/redux/auth/index.js
index 9299f7c..06cd153 100644
--- a/src/redux/auth/index.js
+++ b/src/redux/auth/index.js
@@ -106,7 +106,7 @@ export const logOutUser = (message, broadcast = true) => (dispatch) => {
 
   // clean up state
   try {
-    console.log('clear local & session storage');
+    console.log('clear local & session storage'); // eslint-disable-line no-console
     window.localStorage.clear();
     window.sessionStorage.clear();
 
@@ -116,7 +116,7 @@ export const logOutUser = (message, broadcast = true) => (dispatch) => {
     }
   } catch (error) {
     /* istanbul ignore next */
-    console.log('could not clear local and session storage');
+    console.log('could not clear local and session storage'); // eslint-disable-line no-console
   }
 
   // force reload to clear cache
@@ -268,16 +268,13 @@ export const refreshToken = (token, userId) => (dispatch, getState, { GraphApi }
 
   return GraphApi.mutation(REFRESH_TOKEN, variables)
     .then((data) => {
-      const {
-        refreshToken: { token },
-      } = data;
       const user = {
         id: userId,
         firstname: username,
       };
-      dispatch(handleAuth(token, user, remember));
+      dispatch(handleAuth(data.refreshToken.token, user, remember));
     })
-    .catch((error) => {
+    .catch(() => {
       /* istanbul ignore next */
       dispatch(logOutUser('Could not refresh token', true));
     });
diff --git a/src/redux/configureStore.js b/src/redux/configureStore.js
index 9bc4d48..bae1697 100644
--- a/src/redux/configureStore.js
+++ b/src/redux/configureStore.js
@@ -1,3 +1,4 @@
+/* global requestAnimationFrame */
 import { createStore, applyMiddleware, compose } from 'redux';
 import thunkMiddleware from 'redux-thunk';
 import { debounce } from 'lodash';
@@ -76,19 +77,14 @@ const configureStore = (initialState = {}) => {
          * or in next project find different solution for that...
          */
         /* istanbul ignore next */
-        onAuthError: message => (
+        onAuthError: (message) => {
           /* istanbul ignore next */
-          store.dispatch(
-            /* istanbul ignore next */
-            logOutUser(message)
-          )
-                          )
-                             )
-                         )
-                     ) // AUTH_LOG_OUT
-      })
+          store.dispatch(logOutUser(message)); // eslint-disable-line no-use-before-define
+          // AUTH_LOG_OUT
+        },
+      }),
     }),
-    errorMiddleware
+    errorMiddleware,
   ];
 
   const enhancers = getEnhancers();
@@ -98,7 +94,7 @@ const configureStore = (initialState = {}) => {
   const store = createStore(
     persistedReducer,
     initialState,
-    composeEnhancers(applyMiddleware(...middleware), ...enhancers)
+    composeEnhancers(applyMiddleware(...middleware), ...enhancers),
   );
 
   const persistor = persistStore(store);
@@ -108,19 +104,19 @@ const configureStore = (initialState = {}) => {
 
   // idle configuration
   /* istanbul ignore next */
-  const idleDispatcher = () => ( {
+  const idleDispatcher = () => {
     /* istanbul ignore next */
     store.dispatch({ type: APP_IDLE });
   };
 
   // debounce app idle all 30 seconds
   /* istanbul ignore next */
-  const deBounced = debounce(() => ( {
+  const deBounced = debounce(() => {
     // The requestAnimationFrame ensures it doesn't run when tab isn't active
     // the requestIdleCallback makes sure the browser isn't busy with something
     // else.
     /* istanbul ignore next */
-    requestAnimationFrame(() => ( ric(idleDispatcher, { timeout: 500 }));
+    requestAnimationFrame(() => ric(idleDispatcher, { timeout: 500 }));
   }, 30000);
 
   // Now this will run *each time* something
diff --git a/src/redux/faces/__tests__/selector.test.js b/src/redux/faces/__tests__/selector.test.js
index 6e56ad7..b0974d5 100644
--- a/src/redux/faces/__tests__/selector.test.js
+++ b/src/redux/faces/__tests__/selector.test.js
@@ -1,15 +1,12 @@
-/* global testUtils */
 import * as selectors from '../selectors';
 
 import data from '../__data__/faces';
 
-const { faces } = data;
-
 const imageId = '2a2bdf23-e73f-4a2a-913e-da29926a195c';
 
 const initialState = {
   faces: {
-    byId: faces.items.reduce(
+    byId: data.faces.items.reduce(
       (prev, cur) => ({
         ...prev,
         [cur.id]: cur,
@@ -17,7 +14,7 @@ const initialState = {
       {},
     ),
     idsByImageId: {
-      [imageId]: faces.items.map(item => item.id),
+      [imageId]: data.faces.items.map(item => item.id),
     },
     imageId,
   },
diff --git a/src/redux/images/__tests__/util.test.js b/src/redux/images/__tests__/util.test.js
index 911c275..3a46c63 100644
--- a/src/redux/images/__tests__/util.test.js
+++ b/src/redux/images/__tests__/util.test.js
@@ -1,4 +1,4 @@
-/* global testUtils */
+/* global FileReader, File */
 import fs from 'fs';
 import path from 'path';
 
diff --git a/src/redux/images/index.js b/src/redux/images/index.js
index 0071367..6efd9d9 100644
--- a/src/redux/images/index.js
+++ b/src/redux/images/index.js
@@ -73,7 +73,7 @@ export const addImage = hocAsyncAction(
 
     // stop
     if (!filetype) {
-      return Promise.reject('Not a valid file type');
+      return Promise.reject(new Error('Not a valid file type'));
     }
 
     // create new image name
@@ -275,9 +275,7 @@ export const getImage = hocAsyncAction(IMAGES_GET_REQUEST_TYPES, imageId => (dis
   };
 
   return GraphApi.query(GET_IMAGE, variables).then((data) => {
-    const { getImage } = data;
-
-    const { faces, labels, ...image } = getImage;
+    const { faces, labels, ...image } = data.getImage;
     const { id } = image;
 
     dispatch(imagesAddImage(image));
diff --git a/src/redux/images/selectors.js b/src/redux/images/selectors.js
index 80d8705..427153d 100644
--- a/src/redux/images/selectors.js
+++ b/src/redux/images/selectors.js
@@ -52,7 +52,7 @@ export const addImageRequestSelector = createSelector(
 
 export const addImageIsLoading = createSelector(
   addImageRequestSelector,
-  addImageRequestSelector => (addImageRequestSelector ? addImageRequestSelector.loading : false),
+  addImageRequest => (addImageRequest ? addImageRequest.loading : false),
 );
 
 // get image
diff --git a/src/redux/images/util.js b/src/redux/images/util.js
index 957007c..0d8b717 100644
--- a/src/redux/images/util.js
+++ b/src/redux/images/util.js
@@ -1,4 +1,5 @@
-export const readAsDataURL = (file) => {
+/* globals FileReader, DOMException */
+export const readAsDataURL = (file) => { // eslint-disable-line import/prefer-default-export
   const fileReader = new FileReader();
 
   return new Promise((resolve, reject) => {
diff --git a/src/redux/labels/__tests__/selector.test.js b/src/redux/labels/__tests__/selector.test.js
index 69988c6..b798454 100644
--- a/src/redux/labels/__tests__/selector.test.js
+++ b/src/redux/labels/__tests__/selector.test.js
@@ -1,15 +1,12 @@
-/* global testUtils */
 import * as selectors from '../selectors';
 
 import data from '../__data__/labels';
 
-const { labels } = data;
-
 const imageId = '2a2bdf23-e73f-4a2a-913e-da29926a195c';
 
 const initialState = {
   labels: {
-    byId: labels.items.reduce(
+    byId: data.labels.items.reduce(
       (prev, cur) => ({
         ...prev,
         [cur.id]: cur,
@@ -17,7 +14,7 @@ const initialState = {
       {},
     ),
     idsByImageId: {
-      [imageId]: labels.items.map(item => item.id),
+      [imageId]: data.labels.items.map(item => item.id),
     },
     imageId,
   },
diff --git a/src/redux/rootReducer.js b/src/redux/rootReducer.js
index 5bfe72b..0e6ed33 100644
--- a/src/redux/rootReducer.js
+++ b/src/redux/rootReducer.js
@@ -1,4 +1,3 @@
-/* global requestAnimationFrame */
 import { combineReducers } from 'redux';
 
 import applicationReducer, { APP_RESET } from './application';
diff --git a/src/redux/user/index.js b/src/redux/user/index.js
index 0fd05b8..554883d 100644
--- a/src/redux/user/index.js
+++ b/src/redux/user/index.js
@@ -38,11 +38,7 @@ export const updateUser = hocAsyncAction(USER_UPDATE_USER_REQUEST, user => (disp
   };
 
   return GraphApi.mutation(UPDATE_USER, variables).then((data) => {
-    const {
-      updateUser: { user },
-    } = data;
-
-    dispatch(userSetUser(user));
+    dispatch(userSetUser(data.user));
 
     return data;
   });
@@ -66,9 +62,7 @@ export const getUserInfo = hocAsyncAction(USER_GET_USER_INFO_REQUEST, () => (dis
   };
 
   return GraphApi.query(GET_USER_INFO, variables).then((data) => {
-    const { getUserInfo } = data;
-
-    dispatch(userSetUser(getUserInfo));
+    dispatch(userSetUser(data.getUserInfo));
 
     return data;
   });
diff --git a/src/setupTests.js b/src/setupTests.js
index b0e0e41..59f9ef0 100644
--- a/src/setupTests.js
+++ b/src/setupTests.js
@@ -1,3 +1,4 @@
+/* eslint-disable import/no-extraneous-dependencies */
 import { configure } from 'enzyme';
 import Adapter from 'enzyme-adapter-react-16';
 import jestFetchMock from 'jest-fetch-mock';
diff --git a/src/ui/Footer.jsx b/src/ui/Footer.jsx
index cf10bd2..edd1708 100644
--- a/src/ui/Footer.jsx
+++ b/src/ui/Footer.jsx
@@ -26,7 +26,10 @@ const getWithSidebar = ({ withSidebar }) => (withSidebar
   }
 `
   : '');
-const getLinkColor = ({ alternativeColor }) => (alternativeColor ? Colors.ColorsPalette.White : Colors.Neutrals.MidDark);
+
+const getLinkColor = ({ alternativeColor }) => (alternativeColor
+  ? Colors.ColorsPalette.White
+  : Colors.Neutrals.MidDark);
 
 const StyledFooter = styled(Box)`
   width: 100%;
diff --git a/src/ui/Header.jsx b/src/ui/Header.jsx
index 5f815b0..4c0def8 100644
--- a/src/ui/Header.jsx
+++ b/src/ui/Header.jsx
@@ -36,6 +36,14 @@ const UserProfile = props => (
   </StyledUserProfile>
 );
 
+UserProfile.propTypes = {
+  username: PropTypes.string,
+};
+
+UserProfile.defaultProps = {
+  username: '',
+};
+
 const StyledHeader = styled(Box)`
   ${props => (props.isAuthenticated
     ? `
diff --git a/src/ui/PreviousButton.stories.js b/src/ui/PreviousButton.stories.js
index 2405b33..122aa02 100644
--- a/src/ui/PreviousButton.stories.js
+++ b/src/ui/PreviousButton.stories.js
@@ -3,7 +3,7 @@ import React from 'react';
 import { storiesOf } from '@storybook/react';
 import { action } from '@storybook/addon-actions';
 
-import styled from 'styled-components'
+import styled from 'styled-components';
 import PreviousButton from './PreviousButton';
 
 import { Colors } from '../styles';
@@ -14,8 +14,7 @@ const StyledBackground = styled.div`
 `;
 
 storiesOf('PreviousButton', module).add('default', () => (
-  (
-<StyledBackground>
+  <StyledBackground>
     <PreviousButton
       onClick={action('on-click')}
     />
diff --git a/src/ui/View.jsx b/src/ui/View.jsx
index ce57f7b..8ec737c 100644
--- a/src/ui/View.jsx
+++ b/src/ui/View.jsx
@@ -13,7 +13,7 @@ const StyledView = styled(Box)`
 `;
 
 /** Default wrapper for application usafge */
-export const View = ({ children, ...props }) => (
+const View = ({ children, ...props }) => (
   <StyledView flex fill pad="small" {...props}>
     {children}
   </StyledView>
diff --git a/src/ui/__tests__/View.test.js b/src/ui/__tests__/View.test.js
index 1607edf..224b244 100644
--- a/src/ui/__tests__/View.test.js
+++ b/src/ui/__tests__/View.test.js
@@ -2,7 +2,7 @@ import React from 'react';
 import { shallow } from 'enzyme';
 import toJson from 'enzyme-to-json';
 
-import { View, ViewHeading } from '../View';
+import View, { ViewHeading } from '../View';
 
 it('View should render correctly', () => {
   const wrapper = shallow(<View>View Content</View>);
@@ -30,7 +30,7 @@ it('view should pass additional props to component', () => {
   const compProps = output.props();
 
   // check for props in compProps
-  Object.keys(props).map((key) => {
+  Object.keys(props).forEach((key) => {
     const value = props[key];
     expect(compProps[key]).toEqual(value);
   });
diff --git a/src/ui/form/ButtonGroup.stories.js b/src/ui/form/ButtonGroup.stories.js
index 1ff1f5f..1c1e5dc 100644
--- a/src/ui/form/ButtonGroup.stories.js
+++ b/src/ui/form/ButtonGroup.stories.js
@@ -1,6 +1,6 @@
 import React from 'react';
 
-import { storiesOf, addDecorator } from '@storybook/react';
+import { storiesOf } from '@storybook/react';
 import { action } from '@storybook/addon-actions';
 
 import ButtonGroup from './ButtonGroup';
diff --git a/src/ui/form/Form.jsx b/src/ui/form/Form.jsx
index 8dccdac..5782acd 100644
--- a/src/ui/form/Form.jsx
+++ b/src/ui/form/Form.jsx
@@ -71,10 +71,15 @@ export const Field = ({
 
 Field.propTypes = {
   inline: PropTypes.bool,
+  id: PropTypes.string.isRequired,
+  label: PropTypes.node.isRequired,
+  error: PropTypes.node,
+  children: PropTypes.node.isRequired,
 };
 
 Field.defaultProps = {
   inline: false,
+  error: undefined,
 };
 
 const StyledFieldRow = styled(Grommet.Box)`
@@ -95,6 +100,10 @@ export const FieldRow = ({ children, ...props }) => (
   </StyledFieldRow>
 );
 
+FieldRow.propTypes = {
+  children: PropTypes.node.isRequired,
+};
+
 export const __testables__ = {
   StyledTextInput,
   StyledCheckBox,
diff --git a/src/ui/form/Form.stories.js b/src/ui/form/Form.stories.js
index 0cd11c1..84cd2ee 100644
--- a/src/ui/form/Form.stories.js
+++ b/src/ui/form/Form.stories.js
@@ -1,4 +1,5 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 
 import { storiesOf } from '@storybook/react';
 import { select, boolean, text } from '@storybook/addon-knobs';
@@ -33,7 +34,7 @@ const formikEnhancer = withFormik({
       ...user,
     };
   },
-  handleSubmit: (payload, { props }, b, c) => {
+  handleSubmit: (payload, { props }) => {
     props.onSubmit(payload);
   },
   displayName: 'SimpleForm',
@@ -97,6 +98,23 @@ const SimpleForm = (props) => {
   );
 };
 
+SimpleForm.propTypes = {
+  values: PropTypes.shape({}).isRequired,
+  touched: PropTypes.bool.isRequired,
+  errors: PropTypes.shape({}).isRequired,
+  dirty: PropTypes.shape({}).isRequired,
+  handleChange: PropTypes.func.isRequired,
+  handleBlur: PropTypes.func.isRequired,
+  handleSubmit: PropTypes.func.isRequired,
+  handleReset: PropTypes.func.isRequired,
+  submitting: PropTypes.bool.isRequired,
+  error: PropTypes.bool,
+};
+
+SimpleForm.defaultProps = {
+  error: false,
+};
+
 const EnhancedSimpleForm = formikEnhancer(SimpleForm);
 
 storiesOf(`${formBaseName}/SimpleForm`, module).add('default', () => (
diff --git a/src/ui/form/__tests__/ButtonGroup.test.js b/src/ui/form/__tests__/ButtonGroup.test.js
index 8632f2b..f7eef51 100644
--- a/src/ui/form/__tests__/ButtonGroup.test.js
+++ b/src/ui/form/__tests__/ButtonGroup.test.js
@@ -7,7 +7,7 @@ import ButtonGroup from '../ButtonGroup';
 it('ButtonGroup should render correctly', () => {
   const wrapper = shallow(
     <ButtonGroup>
-      <button>Click me</button>
+      <button type="button">Click me</button>
     </ButtonGroup>,
   );
   expect(toJson(wrapper.dive())).toMatchSnapshot();
diff --git a/src/ui/form/__tests__/Message.test.js b/src/ui/form/__tests__/Message.test.js
index d3581ec..6083c2c 100644
--- a/src/ui/form/__tests__/Message.test.js
+++ b/src/ui/form/__tests__/Message.test.js
@@ -6,6 +6,8 @@ import Message, { MESSAGE_TYPES, __testables__ } from '../Message';
 
 import { Colors } from '../../../styles';
 
+const { StyledMessage } = __testables__;
+
 it('Message should render correctly', () => {
   const wrapper = shallow(
     <Message>
@@ -16,7 +18,7 @@ it('Message should render correctly', () => {
 });
 
 it('should render Message consistently', () => {
-  const wrapper = shallow(<__testables__.StyledMessage />);
+  const wrapper = shallow(<StyledMessage />);
   expect(toJson(wrapper)).toMatchSnapshot();
 });
 
diff --git a/src/ui/hooks/__tests__/auth.test.js b/src/ui/hooks/__tests__/auth.test.js
index affea0e..29f9b6b 100644
--- a/src/ui/hooks/__tests__/auth.test.js
+++ b/src/ui/hooks/__tests__/auth.test.js
@@ -1,6 +1,8 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import { mount } from 'enzyme';
 
+import { HistoryPropType } from '../../../util/PropTypes';
 import * as authHooks from '../auth';
 
 describe('auth hooks test suite', () => {
@@ -19,12 +21,18 @@ describe('auth hooks test suite', () => {
   });
 
   const hook = authHooks.createUseIsAuthenticatedHistoryPush(path);
+
   const HookTester = ({ isAuthenticated, history }) => {
     hook(isAuthenticated, history);
 
     return <div>empty div</div>;
   };
 
+  HookTester.propTypes = {
+    isAuthenticated: PropTypes.bool.isRequired,
+    history: HistoryPropType.isRequired,
+  };
+
   it('should call history push if authenticated ', (done) => {
     // should not be called
     expect(initialProps.history.push).not.toHaveBeenCalled();
@@ -63,6 +71,6 @@ describe('auth hooks test suite', () => {
   it('should clearTimeout after hook', () => {
     // not able to test right now, waiting for hook support in enzyme
     // link: https://github.com/airbnb/enzyme/issues/2011
-    console.log('createUseIsAuthenticatedHistoryPush return value not tesable due missing hook support in enzyme');
+    console.log('createUseIsAuthenticatedHistoryPush return value not tesable due missing hook support in enzyme'); // eslint-disable-line no-console, max-len
   });
 });
diff --git a/src/ui/hooks/auth.js b/src/ui/hooks/auth.js
index 7b76d2f..c8837f5 100644
--- a/src/ui/hooks/auth.js
+++ b/src/ui/hooks/auth.js
@@ -1,6 +1,6 @@
 import { useEffect } from 'react';
 
-export const createUseIsAuthenticatedHistoryPush = path => (isAuthenticated, history) => {
+export const createUseIsAuthenticatedHistoryPush = path => (isAuthenticated, history) => { // eslint-disable-line import/prefer-default-export, max-len
   useEffect(() => {
     let timeout;
 
@@ -18,7 +18,9 @@ export const createUseIsAuthenticatedHistoryPush = path => (isAuthenticated, his
     /* istanbul ignore next */
     return () => {
       /* istanbul ignore next */
-      timeout && clearTimeout(timeout);
+      if (timeout) {
+        clearTimeout(timeout);
+      }
     };
   });
 };
diff --git a/src/user/UpdateUserForm.jsx b/src/user/UpdateUserForm.jsx
index 78c69b2..02f2e43 100644
--- a/src/user/UpdateUserForm.jsx
+++ b/src/user/UpdateUserForm.jsx
@@ -30,14 +30,14 @@ const mapPropsToValues = (obj) => {
   };
 };
 
-const handleSubmit = (payload, { props }, b, c) => {
+const onHandleSubmit = (payload, { props }) => {
   props.onSubmit(payload);
 };
 
 const formikConfig = {
   validationSchema,
   mapPropsToValues,
-  handleSubmit,
+  handleSubmit: onHandleSubmit,
   displayName: 'UpdateUserForm',
 };
 
@@ -120,6 +120,19 @@ const UpdateUserForm = ({
   );
 };
 
+UpdateUserForm.propTypes = {
+  values: PropTypes.shape({}).isRequired,
+  touched: PropTypes.bool.isRequired,
+  errors: PropTypes.shape({}).isRequired,
+  dirty: PropTypes.shape({}).isRequired,
+  handleChange: PropTypes.func.isRequired,
+  handleBlur: PropTypes.func.isRequired,
+  handleSubmit: PropTypes.func.isRequired,
+  handleReset: PropTypes.func.isRequired,
+  submitting: PropTypes.bool.isRequired,
+  error: PropTypes.bool.isRequired,
+};
+
 const EnhancedUpdateUserForm = formikEnhancer(UpdateUserForm);
 
 EnhancedUpdateUserForm.propTypes = {
@@ -127,7 +140,6 @@ EnhancedUpdateUserForm.propTypes = {
     firstname: PropTypes.string,
     lastname: PropTypes.string,
   }),
-  validEmail: PropTypes.bool,
 };
 
 EnhancedUpdateUserForm.defaultProps = {
@@ -142,7 +154,7 @@ export const __testables__ = {
   formikEnhancer,
   validationSchema,
   mapPropsToValues,
-  handleSubmit,
+  handleSubmit: onHandleSubmit,
   UpdateUserForm,
 };
 
diff --git a/src/user/__tests__/UpdateUserForm.test.js b/src/user/__tests__/UpdateUserForm.test.js
index a291ad8..9a8d57e 100644
--- a/src/user/__tests__/UpdateUserForm.test.js
+++ b/src/user/__tests__/UpdateUserForm.test.js
@@ -17,7 +17,7 @@ describe('Register form test suite', () => {
   describe('Register test suite', () => {
     const inputFields = ['password', 'firstname', 'lastname', 'remember'];
 
-    const getFormProps = (values) => {
+    const getFormProps = () => {
       // create basic formit state
       const props = testUtils.createFormitState(inputFields);
       return props;
diff --git a/src/util/ErrorHandler.jsx b/src/util/ErrorHandler.jsx
index 35bfa34..5ac7c1c 100644
--- a/src/util/ErrorHandler.jsx
+++ b/src/util/ErrorHandler.jsx
@@ -45,29 +45,38 @@ export const reportCustomError = error => ({
 });
 
 // create custom errors
-export const createNetworkError = (error, response) => Object.assign(new Error(error ? error.message : 'Unknown network error'), {
-  type: ErrorTypes.NetworkError,
-  title: 'Network error',
-  payload: response,
-  detail: error,
-  logLevel: LogLevel.Error,
-});
-
-export const createInvalidDataError = (error, data) => Object.assign(new Error(error ? error.message : 'Unknown data error'), {
-  type: ErrorTypes.InvalidDataError,
-  title: 'Invalid data',
-  payload: data,
-  detail: error,
-  logLevel: LogLevel.Error,
-});
-
-export const createUnknownError = (error, data = null) => Object.assign(new Error(error ? error.message : 'Unhandled exception detected'), {
-  type: ErrorTypes.UnknownError,
-  title: 'Caught unhandled exception',
-  payload: data,
-  detail: error,
-  logLevel: LogLevel.Error,
-});
+export const createNetworkError = (error, response) => Object.assign(
+  new Error(error ? error.message : 'Unknown network error'),
+  {
+    type: ErrorTypes.NetworkError,
+    title: 'Network error',
+    payload: response,
+    detail: error,
+    logLevel: LogLevel.Error,
+  },
+);
+
+export const createInvalidDataError = (error, data) => Object.assign(
+  new Error(error ? error.message : 'Unknown data error'),
+  {
+    type: ErrorTypes.InvalidDataError,
+    title: 'Invalid data',
+    payload: data,
+    detail: error,
+    logLevel: LogLevel.Error,
+  },
+);
+
+export const createUnknownError = (error, data = null) => Object.assign(
+  new Error(error ? error.message : 'Unhandled exception detected'),
+  {
+    type: ErrorTypes.UnknownError,
+    title: 'Caught unhandled exception',
+    payload: data,
+    detail: error,
+    logLevel: LogLevel.Error,
+  },
+);
 
 // global promise error catch
 export const addUnhandledPromiseCatcher = (store) => {
@@ -97,16 +106,13 @@ export const createMiddleware = (userOptions) => {
     shouldLogToUI: ({ logLevel }) => logLevel >= LogLevel.Log,
     shouldLogToServer: ({ logLevel }) => logLevel >= LogLevel.Log && process.env.NODE_ENV === 'production',
     shouldLogToConsole: ({ logLevel }) => process.env.NODE_ENV !== 'production' || logLevel >= LogLevel.Error,
-    logToUI: (error, dispatch, store) => {
-      // eslint-disable-line no-unused-vars
+    logToUI: (error, dispatch, store) => { // eslint-disable-line no-unused-vars
       // TODO: log to UI...
     },
-    logToServer: (error, dispatch, store) => {
-      // eslint-disable-line no-unused-vars
+    logToServer: (error, dispatch, store) => { // eslint-disable-line no-unused-vars
       // TODO: let's fire User analytics
     },
-    logToConsole: (error, dispatch, store) => {
-      // eslint-disable-line no-unused-vars
+    logToConsole: (error, dispatch, store) => { // eslint-disable-line no-unused-vars
       const { logLevel } = error;
       switch (logLevel) {
         case LogLevel.Error:
diff --git a/src/util/PropTypes.js b/src/util/PropTypes.js
index 16d3d14..4432568 100644
--- a/src/util/PropTypes.js
+++ b/src/util/PropTypes.js
@@ -15,3 +15,7 @@ export const ImagePropType = PropTypes.shape({
   name: PropTypes.string,
   type: PropTypes.string,
 });
+
+export const HistoryPropType = PropTypes.shape({
+  push: PropTypes.func.isRequired,
+});
diff --git a/src/util/__mocks__/GraphApi.js b/src/util/__mocks__/GraphApi.js
index 0f140ad..f88c528 100644
--- a/src/util/__mocks__/GraphApi.js
+++ b/src/util/__mocks__/GraphApi.js
@@ -1,4 +1,4 @@
-// store mock data
+/* global jest */
 let queryCounter = 0;
 let queryMockResponses = [];
 
diff --git a/src/util/__mocks__/sessionUtil.js b/src/util/__mocks__/sessionUtil.js
index 3211f23..703bd54 100644
--- a/src/util/__mocks__/sessionUtil.js
+++ b/src/util/__mocks__/sessionUtil.js
@@ -1,6 +1,6 @@
 // mocked functions
-export const setItem = (key, value) => true;
-export const getItem = key => null;
+export const setItem = () => true;
+export const getItem = () => null;
 
 export const getToken = () => getItem('token');
 export const setToken = value => setItem('token', value);
diff --git a/src/util/__tests__/ErrorHandler.test.js b/src/util/__tests__/ErrorHandler.test.js
index bc9c5b3..abbaa1e 100644
--- a/src/util/__tests__/ErrorHandler.test.js
+++ b/src/util/__tests__/ErrorHandler.test.js
@@ -132,10 +132,21 @@ describe('ErrorHandler addUnhandledPromiseCatcher test suite', () => {
   let spyComplexEventPreventDefault;
 
   afterEach(() => {
-    spyConsole && spyConsole.mockClear();
-    spyAddEventListener && spyAddEventListener.mockClear();
-    spySimpleEventPreventDefault && spySimpleEventPreventDefault.mockClear();
-    spyComplexEventPreventDefault && spyComplexEventPreventDefault.mockClear();
+    if (spyConsole) {
+      spyConsole.mockClear();
+    }
+
+    if (spyAddEventListener) {
+      spyAddEventListener.mockClear();
+    }
+
+    if (spySimpleEventPreventDefault) {
+      spySimpleEventPreventDefault.mockClear();
+    }
+
+    if (spyComplexEventPreventDefault) {
+      spyComplexEventPreventDefault.mockClear();
+    }
   });
 
   it('should add event handler to window object', () => {
@@ -211,13 +222,16 @@ describe('ErrorHandler addUnhandledPromiseCatcher test suite', () => {
 
 describe('ErrorHandler middleware test suite', () => {
   // helpers
-  const createTestError = (logLevel, error, data = null) => Object.assign(new Error(error ? error.message : 'Unhandled Test Error detected'), {
-    type: ErrorTypes.UnknownError,
-    title: 'Caught Test Error',
-    payload: data,
-    detail: error,
-    logLevel,
-  });
+  const createTestError = (logLevel, error, data = null) => Object.assign(
+    new Error(error ? error.message : 'Unhandled Test Error detected'),
+    {
+      type: ErrorTypes.UnknownError,
+      title: 'Caught Test Error',
+      payload: data,
+      detail: error,
+      logLevel,
+    },
+  );
 
   // test configuration
   let spyConsoleLog;
@@ -456,7 +470,7 @@ describe('ErrorHandler middleware test suite', () => {
     const expectedActions = [
       reportInternalReduxError(
         new Error(
-          'Actions may not have an undefined "type" property. Have you misspelled a constant? Action: {"typee":"IDLE","payload":{}}',
+          'Actions may not have an undefined "type" property. Have you misspelled a constant? Action: {"typee":"IDLE","payload":{}}', // eslint-disable-line max-len
         ),
       ),
     ];
diff --git a/src/util/__tests__/GraphApi.test.js b/src/util/__tests__/GraphApi.test.js
index e4f3a5b..e56a676 100644
--- a/src/util/__tests__/GraphApi.test.js
+++ b/src/util/__tests__/GraphApi.test.js
@@ -1,4 +1,3 @@
-/* global testUtils */
 import { ApolloClient } from 'apollo-client';
 import gql from 'graphql-tag';
 import * as apolloLinkContext from 'apollo-link-context';
@@ -11,7 +10,7 @@ import * as sessionUtil from '../sessionUtil';
 describe('GraphApi test suite', () => {
   const mockedData = {
     token:
-      'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiI3MzBkZDIxNS1hNWY2LTRiMzItYmI4MS1jZjFlOGVjODkwMzkiLCJjcmVhdGVkQXQiOjE1NTMyMDEwMjM5NzYsImlhdCI6MTU1MzIwMTAyM30.CI1ZSQodWkuGMAQJQRZ5F7bGFKJHTWj-ql0f_INVALID',
+      'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiI3MzBkZDIxNS1hNWY2LTRiMzItYmI4MS1jZjFlOGVjODkwMzkiLCJjcmVhdGVkQXQiOjE1NTMyMDEwMjM5NzYsImlhdCI6MTU1MzIwMTAyM30.CI1ZSQodWkuGMAQJQRZ5F7bGFKJHTWj-ql0f_INVALID', // eslint-disable-line max-len
     endpoint: 'https://graph/api/endpoint',
   };
 
@@ -58,11 +57,13 @@ describe('GraphApi test suite', () => {
   });
 
   it('should add Bearer token to every request call', () => {
-    new GraphApi({
+    const api = new GraphApi({
       endpoint: mockedData.endpoint,
       onAuthError: onAuthErrorMock,
     });
 
+    expect(api).toBeTruthy();
+
     // check if getAuthToken was called
     expect(setContextMock).toBeCalled();
     expect(setContextMock).toBeCalledWith(__testables__.getAuthToken);
@@ -341,7 +342,9 @@ describe('GraphApi test suite', () => {
     });
 
     afterEach(() => {
-      graphApiQueryMock && graphApiQueryMock.mockClear();
+      if (graphApiQueryMock) {
+        graphApiQueryMock.mockClear();
+      }
     });
 
     afterAll(() => {
@@ -438,7 +441,9 @@ describe('GraphApi test suite', () => {
     });
 
     afterEach(() => {
-      graphApiMutationMock && graphApiMutationMock.mockClear();
+      if (graphApiMutationMock) {
+        graphApiMutationMock.mockClear();
+      }
     });
 
     afterAll(() => {
diff --git a/src/util/__tests__/networkUtils.test.js b/src/util/__tests__/networkUtils.test.js
index 3b53d38..4db3d45 100644
--- a/src/util/__tests__/networkUtils.test.js
+++ b/src/util/__tests__/networkUtils.test.js
@@ -1,9 +1,8 @@
+/* eslint-disable global-require */
 import { getUrl, genericFetch, genericJsonFetch } from '../services/networkUtils';
 import networkEndpoints from '../services/network_endpoints.json';
 import { createNetworkError, createInvalidDataError } from '../ErrorHandler';
 
-// const { getEnv } = __testables__;
-
 const defaultUrl = 'https://my-custom-api';
 const defaultConfig = {
   method: 'GET',
diff --git a/src/util/services/windowUtils.js b/src/util/services/windowUtils.js
index ac8a2e4..ce62f82 100644
--- a/src/util/services/windowUtils.js
+++ b/src/util/services/windowUtils.js
@@ -1,3 +1,3 @@
 const getWindowUrl = () => window.location.href;
 
-export { getWindowUrl };
+export { getWindowUrl }; // eslint-disable-line import/prefer-default-export
diff --git a/src/util/sessionUtil.js b/src/util/sessionUtil.js
index 0458154..31c6e7a 100644
--- a/src/util/sessionUtil.js
+++ b/src/util/sessionUtil.js
@@ -1,3 +1,5 @@
+/* global sessionStorage */
+
 export const setItem = (key, value) => sessionStorage.setItem(key, value);
 export const getItem = key => sessionStorage.getItem(key);