fix: Migrate to Typescript (#2805)

BREAKING CHANGE: Migrate to Typescript

.eslintrc.json

@@ -1,5 +1,8 @@
 {
-  "extends": "standard",
+  "extends": ["standard", "plugin:@typescript-eslint/recommended"],
+  "parser": "@typescript-eslint/parser",
+  "plugins": ["@typescript-eslint"],
+  "root": true,
   "rules": {
     "semi": ["error", "always"],
     "indent": ["error", 2, {
@@ -15,9 +18,14 @@
     "no-control-regex": "off",
     "no-prototype-builtins": "off",
     "no-extra-semi": "error",
-
     "prefer-const": "error",
-    "no-var": "error"
+    "no-var": "error",
+    "@typescript-eslint/ban-ts-comment": "off",
+    "@typescript-eslint/no-explicit-any": "off",
+    "@typescript-eslint/no-non-null-assertion": "off",
+    "@typescript-eslint/no-empty-function": "off",
+    "@typescript-eslint/no-namespace": "off",
+    "@typescript-eslint/no-unused-vars":  ["error", { "args": "none" }]
   },
   "env": {
     "node": true

README.md

@@ -47,7 +47,6 @@ npm install -g marked
 
 ```sh
 npm install marked
-npm install @types/marked # For TypeScript projects
 ```
 
 ## Usage