chore(eslint): set up eslint for use

azure-pipelines/common/check_steps.yml

@@ -1,8 +1,8 @@
 steps:
   # static checking
   - script: |
-      npm run tslint
-    displayName: Run TSLint Checks
+      npm run eslint
+    displayName: Run ESLint Checks
   # cred scan
   - task: securedevelopmentteam.vss-secure-development-tools.build-task-credscan.CredScan@2
     displayName: Run CredScan

eslint.json

@@ -0,0 +1,26 @@
+{
+    "env": {
+        "es6": true,
+        "node": true
+    },
+    "extends": [
+        "eslint:recommended"
+    ],
+    "globals": {
+        "Atomics": "readonly",
+        "SharedArrayBuffer": "readonly"
+    },
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": 2018,
+        "sourceType": "module"
+    },
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "rules": {
+        "no-unused-vars": "warn",
+        "no-empty": "warn",
+        "no-prototype-builtins": "warn"
+    }
+}

package.json

@@ -62,7 +62,7 @@
   "scripts": {
     "vscode:prepublish": "webpack --mode production",
     "compile": "tsc -p ./",
-    "tslint": "tslint -t verbose src/**/*.ts",
+    "eslint": "eslint -c ./eslint.json src/**/*.ts",
     "test": "jest",
     "test:coverage": "jest --coverage",
     "webpack": "webpack --mode development"
@@ -73,14 +73,16 @@
     "@types/jest": "^25.1.2",
     "@types/node": "^10.12.21",
     "@types/vscode": "^1.36.0",
+    "@typescript-eslint/eslint-plugin": "^2.28.0",
+    "@typescript-eslint/parser": "^2.28.0",
     "cz-conventional-changelog": "^3.1.0",
+    "eslint": "^6.8.0",
     "glob": "^7.1.4",
     "jest": "^25.0.1",
     "prettier": "^1.19.1",
     "prettier-tslint": "^0.4.2",
     "ts-jest": "^25.2.0",
     "ts-loader": "^6.2.1",
-    "tslint": "^5.12.1",
     "typescript": "^3.3.1",
     "webpack": "^4.41.2",
     "webpack-cli": "^3.3.10"

tslint.json

@@ -1,10 +0,0 @@
-{
-  "extends": "tslint:recommended",
-  "rules": {
-    "variable-name": [true, "ban-keywords", "check-format"],
-    "interface-name": [true, "never-prefix"],
-    "max-line-length": [true, 120],
-    "no-empty": false,
-    "object-literal-sort-keys": false
-  }
-}