setup eslint for static code analysis

.eslintrc.json

@@ -0,0 +1,21 @@
+{
+    "env": {
+        "browser": true,
+        "es6": true
+    },
+    "extends": [
+        "prettier",
+        "eslint:recommended",
+        "plugin:react/recommended"
+    ],
+    "parserOptions": {
+        "ecmaFeatures": {
+            "jsx": true
+        },
+        "ecmaVersion": 2018,
+        "sourceType": "module"
+    },
+    "plugins": [
+        "react"
+    ]
+}

package.json

@@ -31,6 +31,9 @@
     "shortid": "^2.2.15"
   },
   "devDependencies": {
+    "eslint": "^6.8.0",
+    "eslint-config-prettier": "^6.10.0",
+    "eslint-plugin-react": "^7.18.3",
     "husky": "^4.2.3",
     "lint-staged": "^10.0.8",
     "prettier": "^1.19.1"

yarn.lock

@@ -4334,6 +4334,13 @@ escape-string-regexp@1.0.5, escape-string-regexp@^1.0.2, escape-string-regexp@^1
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
   integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
 
+eslint-config-prettier@^6.10.0:
+  version "6.10.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-6.10.0.tgz#7b15e303bf9c956875c948f6b21500e48ded6a7f"
+  integrity sha512-AtndijGte1rPILInUdHjvKEGbIV06NuvPrqlIEaEaWtbtvJh464mDeyGMdZEQMsGvC0ZVkiex1fSNcC4HAbRGg==
+  dependencies:
+    get-stdin "^6.0.0"
+
 eslint-config-react-app@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/eslint-config-react-app/-/eslint-config-react-app-5.1.0.tgz#a37b3f2d4f56f856f93277281ef52bd791273e63"
@@ -4436,6 +4443,22 @@ eslint-plugin-react@^7.17.0:
     prop-types "^15.7.2"
     resolve "^1.14.2"
 
+eslint-plugin-react@^7.18.3:
+  version "7.18.3"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-react/-/eslint-plugin-react-7.18.3.tgz#8be671b7f6be095098e79d27ac32f9580f599bc8"
+  integrity sha512-Bt56LNHAQCoou88s8ViKRjMB2+36XRejCQ1VoLj716KI1MoE99HpTVvIThJ0rvFmG4E4Gsq+UgToEjn+j044Bg==
+  dependencies:
+    array-includes "^3.1.1"
+    doctrine "^2.1.0"
+    has "^1.0.3"
+    jsx-ast-utils "^2.2.3"
+    object.entries "^1.1.1"
+    object.fromentries "^2.0.2"
+    object.values "^1.1.1"
+    prop-types "^15.7.2"
+    resolve "^1.14.2"
+    string.prototype.matchall "^4.0.2"
+
 eslint-scope@^4.0.3:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-4.0.3.tgz#ca03833310f6889a3264781aa82e63eb9cfe7848"
@@ -4464,7 +4487,7 @@ eslint-visitor-keys@^1.0.0, eslint-visitor-keys@^1.1.0:
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz#e2a82cea84ff246ad6fb57f9bde5b46621459ec2"
   integrity sha512-8y9YjtM1JBJU/A9Kc+SbaOV4y29sSWckBwMHa+FGtVj5gN/sbnKDf6xJUl+8g7FAij9LVaP8C24DUiH/f/2Z9A==
 
-eslint@^6.7.2:
+eslint@^6.7.2, eslint@^6.8.0:
   version "6.8.0"
   resolved "https://registry.yarnpkg.com/eslint/-/eslint-6.8.0.tgz#62262d6729739f9275723824302fb227c8c93ffb"
   integrity sha512-K+Iayyo2LtyYhDSYwz5D5QdWw0hCacNzyq1Y821Xna2xSJj7cijoLLYmLxTQgcgZ9mC61nryMy9S7GRbYpI5Ig==
@@ -5693,6 +5716,11 @@ get-stdin@^4.0.1:
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
   integrity sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4=
 
+get-stdin@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-6.0.0.tgz#9e09bf712b360ab9225e812048f71fde9c89657b"
+  integrity sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g==
+
 get-stream@3.0.0, get-stream@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
@@ -6651,6 +6679,15 @@ internal-ip@^4.3.0:
     default-gateway "^4.2.0"
     ipaddr.js "^1.9.0"
 
+internal-slot@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/internal-slot/-/internal-slot-1.0.2.tgz#9c2e9fb3cd8e5e4256c6f45fe310067fcfa378a3"
+  integrity sha512-2cQNfwhAfJIkU4KZPkDI+Gj5yNNnbqi40W9Gge6dfnk4TocEVm00B3bdiL+JINrbGJil2TeHvM4rETGzk/f/0g==
+  dependencies:
+    es-abstract "^1.17.0-next.1"
+    has "^1.0.3"
+    side-channel "^1.0.2"
+
 into-stream@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/into-stream/-/into-stream-3.1.0.tgz#96fb0a936c12babd6ff1752a17d05616abd094c6"
@@ -10416,7 +10453,7 @@ regex-not@^1.0.0, regex-not@^1.0.2:
     extend-shallow "^3.0.2"
     safe-regex "^1.1.0"
 
-regexp.prototype.flags@^1.2.0:
+regexp.prototype.flags@^1.2.0, regexp.prototype.flags@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/regexp.prototype.flags/-/regexp.prototype.flags-1.3.0.tgz#7aba89b3c13a64509dabcf3ca8d9fbb9bdf5cb75"
   integrity sha512-2+Q0C5g951OlYlJz6yu5/M33IcsESLlLfsyIaLJaG4FA2r4yP8MvVMJUUP/fVBkSpbbbZlS5gynbEWLipiiXiQ==
@@ -11078,6 +11115,14 @@ shortid@^2.2.15:
   dependencies:
     nanoid "^2.1.0"
 
+side-channel@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/side-channel/-/side-channel-1.0.2.tgz#df5d1abadb4e4bf4af1cd8852bf132d2f7876947"
+  integrity sha512-7rL9YlPHg7Ancea1S96Pa8/QWb4BtXL/TZvS6B8XFetGBeuhAsfmUspK6DokBeZ64+Kj9TCNRD/30pVz1BvQNA==
+  dependencies:
+    es-abstract "^1.17.0-next.1"
+    object-inspect "^1.7.0"
+
 sift@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/sift/-/sift-5.1.0.tgz#1bbf2dfb0eb71e56c4cc7fb567fbd1351b65015e"
@@ -11581,6 +11626,18 @@ string-width@^4.0.0, string-width@^4.1.0, string-width@^4.2.0:
     is-fullwidth-code-point "^3.0.0"
     strip-ansi "^6.0.0"
 
+string.prototype.matchall@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/string.prototype.matchall/-/string.prototype.matchall-4.0.2.tgz#48bb510326fb9fdeb6a33ceaa81a6ea04ef7648e"
+  integrity sha512-N/jp6O5fMf9os0JU3E72Qhf590RSRZU/ungsL/qJUYVTNv7hTG0P/dbPjxINVN9jpscu3nzYwKESU3P3RY5tOg==
+  dependencies:
+    define-properties "^1.1.3"
+    es-abstract "^1.17.0"
+    has-symbols "^1.0.1"
+    internal-slot "^1.0.2"
+    regexp.prototype.flags "^1.3.0"
+    side-channel "^1.0.2"
+
 string.prototype.trimleft@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/string.prototype.trimleft/-/string.prototype.trimleft-2.1.1.tgz#9bdb8ac6abd6d602b17a4ed321870d2f8dcefc74"