replace tslint (deprecated) with eslint

package.json

@@ -31,9 +31,12 @@
   },
   "devDependencies": {
     "@types/node": "11.13.0",
+    "@typescript-eslint/eslint-plugin": "^2.3.3",
+    "@typescript-eslint/parser": "^2.3.3",
     "assert-diff": "^1.0.1",
     "doctoc": "^0.15.0",
     "ejs": "^2.3.4",
+    "eslint": "^6.5.1",
     "eventemitter2": "^0.4.14",
     "gulp": "^4.0.2",
     "json-loader": "^0.5.2",
@@ -45,9 +48,7 @@
     "source-map-support": "0.5.12",
     "ts-loader": "^3.2.0",
     "ts-node": "8.0.3",
-    "tslint": "^5.8.0",
-    "tslint-eslint-rules": "^4.1.1",
-    "typescript": "3.4.2",
+    "typescript": "^3.6.4",
     "uglifyjs-webpack-plugin": "^1.1.4",
     "webpack": "3.12.0"
   },
@@ -60,7 +61,7 @@
     "watch": "tsc -w",
     "prepublish": "npm run clean && npm run compile && npm run build",
     "test": "TS_NODE_PROJECT=src/tsconfig.json nyc mocha --exit",
-    "lint": "tslint -p ./",
+    "lint": "eslint src/**/*.ts",
     "perf": "./scripts/perf_test.sh",
     "start": "node scripts/http.js"
   },