Switch to eslint and fix issues

.eslintrc.json

@@ -0,0 +1,40 @@
+{
+    "root": true
+  , "parser": "@typescript-eslint/parser"
+  , "plugins": ["@typescript-eslint"]
+  , "extends": [
+        "eslint:recommended"
+      , "plugin:@typescript-eslint/recommended"
+    ]
+    , "rules": {
+        "max-len": [ "error", 80, {
+            "tabWidth": 4
+          , "ignorePattern": "//|.*(\"|`);?$"
+          , "ignoreStrings": true
+          , "ignoreTemplateLiterals": true
+          , "ignoreRegExpLiterals": true
+        }]
+      , "space-before-function-paren": [ "error", {
+            "anonymous": "always"
+          , "named": "never"
+          , "asyncArrow": "always"
+        }]
+      , "no-useless-escape": "off"
+      , "no-prototype-builtins": "off"
+      , "no-async-promise-executor": "off"
+      , "semi": [ "error", "always"]
+      , "comma-dangle": [ "error", "never"]
+      , "comma-style": [ "error", "first"]
+      , "no-multiple-empty-lines": [ "error", { "max": 2 }]
+      , "no-console": [ "error", {
+            "allow": [ "info", "error" ]
+        }]
+
+      , "@typescript-eslint/no-empty-interface": "off"
+      , "@typescript-eslint/no-explicit-any": "off"
+      , "@typescript-eslint/explicit-module-boundary-types": "off"
+      , "@typescript-eslint/no-unused-vars": "off"
+      , "@typescript-eslint/ban-types": "off"
+      , "@typescript-eslint/ban-ts-comment": "off"
+    }
+}