diff --git a/.eslintrc.js b/.eslintrc.js
index 317358cb..56e34ac5 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -9,13 +9,11 @@ module.exports = {
     browser: true,
     node: true
   },
- extends: 'standard',
+  extends: ['standard', 'prettier'],
   globals: {
     __static: true
   },
-  plugins: [
-    '@typescript-eslint'
-  ],
+  plugins: ['@typescript-eslint', 'prettier'],
   rules: {
     // allow paren-less arrow functions
     'arrow-parens': 0,
@@ -27,10 +25,11 @@ module.exports = {
     '@typescript-eslint/no-unused-vars': [
       'error',
       {
-        'argsIgnorePattern': '^_'
+        argsIgnorePattern: '^_'
       }
     ],
-    'camelcase': 'off',
-    '@typescript-eslint/camelcase': 'off'
+    camelcase: 'off',
+    '@typescript-eslint/camelcase': 'off',
+    'space-before-function-paren': 'off'
   }
 }
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 00000000..6692425b
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,6 @@
+{
+  "tabWidth": 2,
+  "semi": false,
+  "singleQuote": true,
+  "printWidth": 140
+}
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 23a93903..d48497af 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2108,6 +2108,12 @@
             "uniq": "^1.0.1"
           }
         },
+        "prettier": {
+          "version": "1.13.7",
+          "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.13.7.tgz",
+          "integrity": "sha512-KIU72UmYPGk4MujZGYMFwinB7lOf2LsDNGSOC8ufevsrPLISrZbNJlWstRi3m0AMuszbH+EFSQ/r6w56RSPK6w==",
+          "dev": true
+        },
         "supports-color": {
           "version": "5.5.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
@@ -7267,6 +7273,23 @@
         }
       }
     },
+    "eslint-config-prettier": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-4.1.0.tgz",
+      "integrity": "sha512-zILwX9/Ocz4SV2vX7ox85AsrAgXV3f2o2gpIicdMIOra48WYqgUnWNH/cR/iHtmD2Vb3dLSC3LiEJnS05Gkw7w==",
+      "dev": true,
+      "requires": {
+        "get-stdin": "^6.0.0"
+      },
+      "dependencies": {
+        "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
+        }
+      }
+    },
     "eslint-config-standard": {
       "version": "12.0.0",
       "resolved": "https://registry.npmjs.org/eslint-config-standard/-/eslint-config-standard-12.0.0.tgz",
@@ -7511,6 +7534,15 @@
         }
       }
     },
+    "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"
+      }
+    },
     "eslint-plugin-promise": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/eslint-plugin-promise/-/eslint-plugin-promise-4.0.1.tgz",
@@ -8070,6 +8102,12 @@
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
       "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": "2.2.4",
       "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-2.2.4.tgz",
@@ -15744,11 +15782,20 @@
       "dev": true
     },
     "prettier": {
-      "version": "1.13.7",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.13.7.tgz",
-      "integrity": "sha512-KIU72UmYPGk4MujZGYMFwinB7lOf2LsDNGSOC8ufevsrPLISrZbNJlWstRi3m0AMuszbH+EFSQ/r6w56RSPK6w==",
+      "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": "1.0.4",
       "resolved": "https://registry.npmjs.org/pretty-bytes/-/pretty-bytes-1.0.4.tgz",
diff --git a/package.json b/package.json
index 53884be9..756dcb5c 100644
--- a/package.json
+++ b/package.json
@@ -208,12 +208,14 @@
     "electron-ipc-mock": "0.0.3",
     "electron-packager": "^12.2.0",
     "eslint": "^5.9.0",
+    "eslint-config-prettier": "^4.1.0",
     "eslint-config-standard": "^12.0.0",
     "eslint-friendly-formatter": "^4.0.1",
     "eslint-loader": "^2.1.1",
     "eslint-plugin-html": "^4.0.6",
     "eslint-plugin-import": "^2.14.0",
     "eslint-plugin-node": "^8.0.0",
+    "eslint-plugin-prettier": "^3.0.1",
     "eslint-plugin-promise": "^4.0.1",
     "eslint-plugin-standard": "^4.0.0",
     "eslint-plugin-vue": "^5.2.2",
@@ -234,6 +236,7 @@
     "multispinner": "^0.2.1",
     "node-loader": "^0.6.0",
     "node-sass": "^4.10.0",
+    "prettier": "^1.17.0",
     "regenerator-runtime": "^0.13.1",
     "sass-loader": "^7.0.3",
     "style-loader": "^0.23.1",
diff --git a/src/renderer/store/App.ts b/src/renderer/store/App.ts
index 04abbb74..c3a4d8c9 100644
--- a/src/renderer/store/App.ts
+++ b/src/renderer/store/App.ts
@@ -11,15 +11,15 @@ import { RootState } from '@/store'
 import { Notify } from '~/src/types/notify'
 
 export interface AppState {
-  theme: ThemeColorType,
-  fontSize: number,
-  displayNameStyle: number,
-  notify: Notify,
-  timeFormat: number,
-  language: string,
-  defaultFonts: Array<string>,
-  ignoreCW: boolean,
-  ignoreNFSW: boolean,
+  theme: ThemeColorType
+  fontSize: number
+  displayNameStyle: number
+  notify: Notify
+  timeFormat: number
+  language: string
+  defaultFonts: Array<string>
+  ignoreCW: boolean
+  ignoreNFSW: boolean
   hideAllAttachments: boolean
 }