#3 Migrate to ESlint and code formatting using prettier and huskey

.eslintrc.js

@@ -0,0 +1,16 @@
+module.exports = {
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaVersion: 2020,
+    sourceType: 'module',
+  },
+  extends: [
+    'plugin:@typescript-eslint/recommended',
+    'prettier/@typescript-eslint',
+    'plugin:prettier/recommended',
+  ],
+  rules: {
+    // Place to specify ESLint rules. Can be used to overwrite rules specified from the extended configs
+    // e.g. "@typescript-eslint/explicit-function-return-type": "off",
+  },
+};

.huskyrc

@@ -0,0 +1,6 @@
+{
+    "hooks": {
+      "pre-commit": "lint-staged",
+      "pre-push":"npm run lint && npm run test"
+    }
+}

.lintstagedrc

@@ -0,0 +1,5 @@
+{
+  "*.ts": [
+    "eslint --fix"
+  ]
+}

.prettierrc

@@ -1,3 +1,8 @@
 {
-    "singleQuote": true
+    "singleQuote": true,
+    "printWidth": 100,
+    "tabWidth": 2,
+    "semi": true,
+    "trailingComma":"all",
+    "arrowParens": "avoid"
 }

package.json

@@ -5,8 +5,8 @@
   "main": "jmap-client-ts.js",
   "scripts": {
     "build": "tsc",
-    "format": "prettier --write \"src/**/*.ts\"",
-    "lint": "tslint -p tsconfig.json",
+    "lint": "eslint 'src/**/*.ts'",
+    "lint:fix": "npm run lint -- --quiet --fix",
     "test": "mocha -r ts-node/register -r jsdom-global/register **/*.spec.ts",
     "prepare": "npm run build",
     "prePublish": "npm run build"
@@ -34,14 +34,19 @@
   "devDependencies": {
     "@types/chai": "4.1.3",
     "@types/mocha": "8.0.3",
+    "@typescript-eslint/eslint-plugin": "^4.13.0",
+    "@typescript-eslint/parser": "^4.13.0",
     "chai": "4.2.0",
+    "eslint": "^7.17.0",
+    "eslint-config-prettier": "^7.1.0",
+    "eslint-plugin-prettier": "^3.3.1",
+    "husky": "^4.3.7",
     "jsdom": "16.4.0",
     "jsdom-global": "3.0.2",
+    "lint-staged": "^10.5.3",
     "mocha": "8.1.3",
     "prettier": "2.1.2",
     "ts-node": "9.0.0",
-    "tslint": "6.1.3",
-    "tslint-config-prettier": "1.18.0",
     "typescript": "4.0.3"
   }
 }