Add code formatting with prettier.

.prettierignore

@@ -0,0 +1,4 @@
+package.json
+package-lock.json
+yarn.lock
+dist

.prettierrc

@@ -0,0 +1,9 @@
+{
+  "useTabs": false,
+  "tabWidth": 2,
+  "singleQuote": true,
+  "printWidth": 100,
+  "semi": true,
+  "bracketSpacing": true,
+  "arrowParens": "always"
+}

package.json

@@ -9,6 +9,8 @@
     "build:dev": "ng build  -c dev",
     "build:prod": "ng build --prod",
     "test:dev": "ng test",
+    "format:check": "prettier --config ./.prettierrc --list-different \"src/{app,environments,assets}/**/*.{ts,js,json,css,scss}\"",
+    "format:change": "prettier --config ./.prettierrc --write \"src/{app,environments,assets}/**/*.{ts,js,json,css,scss}\"",
     "lint": "ng lint",
     "e2e": "ng e2e",
     "postinstall": "node patch-webpack.js"
@@ -62,6 +64,7 @@
     "@types/node": "^12.20.6",
     "codelyzer": "^6.0.0",
     "dotenv": "^8.2.0",
+    "husky": "^6.0.0",
     "jasmine-core": "~3.6.0",
     "jasmine-spec-reporter": "~5.0.0",
     "karma": "~5.0.0",
@@ -70,11 +73,21 @@
     "karma-jasmine": "~4.0.0",
     "karma-jasmine-html-reporter": "^1.5.0",
     "karma-junit-reporter": "^2.0.1",
+    "prettier": "^2.3.0",
+    "pretty-quick": "^3.1.0",
     "protractor": "~7.0.0",
     "secp256k1": "^4.0.2",
     "ts-node": "~8.3.0",
     "tslint": "~6.1.0",
+    "tslint-angular": "^3.0.3",
+    "tslint-config-prettier": "^1.18.0",
+    "tslint-jasmine-rules": "^1.6.1",
     "typescript": "~4.0.2",
     "yargs": "^13.3.2"
+  },
+  "husky": {
+    "hooks": {
+      "pre-commit": "pretty-quick --staged & ng lint"
+    }
   }
 }

tslint.json

@@ -1,5 +1,10 @@
 {
-  "extends": "tslint:recommended",
+  "extends": [
+    "tslint:recommended",
+    "tslint-angular",
+    "tslint-config-prettier",
+    "tslint-jasmine-rules"
+  ],
   "rulesDirectory": [
     "codelyzer"
   ],
@@ -53,7 +58,7 @@
     ],
     "no-empty": false,
     "no-inferrable-types": [
-      true,
+      false,
       "ignore-params"
     ],
     "no-non-null-assertion": true,