build: remove koa support and migrate to jest and eslint

.eslintrc.js

@@ -0,0 +1,32 @@
+module.exports = {
+    root: true,
+    env: {
+        node: true
+    },
+    parser: "@typescript-eslint/parser",
+    parserOptions: {
+        project: ['./tsconfig.json']
+    },
+    plugins: [
+        "@typescript-eslint"
+    ],
+    extends: [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/eslint-recommended",
+        "plugin:@typescript-eslint/recommended",
+        "plugin:@typescript-eslint/recommended-requiring-type-checking"
+    ],
+    ignorePatterns: ["**/*.js"],
+    rules: {
+        "no-case-declarations": "off",
+        "@typescript-eslint/no-inferrable-types": "off",
+        "@typescript-eslint/no-non-null-assertion": "off",
+        "@typescript-eslint/no-unused-vars": "off",
+        "@typescript-eslint/no-explicit-any": "off",
+        "@typescript-eslint/member-delimiter-style": "off",
+        "@typescript-eslint/member-ordering": "error",
+        "@typescript-eslint/unbound-method": ["error", {
+            "ignoreStatic": true
+        }]
+    }
+};

README.md

@@ -733,7 +733,7 @@ There are set of prepared errors you can use:
 * UnauthorizedError
 
 
-You can also create and use your own errors by extending `HttpError` class.  
+You can also create and use your own errors by extending `HttpError` class.
 To define the data returned to the client, you could define a toJSON method in your error.
 
 ```typescript
@@ -755,7 +755,7 @@ class DbError extends HttpError {
         }
     }
 }
-``` 
+```
 
 #### Enable CORS
 
@@ -796,7 +796,7 @@ app.listen(3000);
 
 #### Default settings
 
-You can override default status code in routing-controllers options. 
+You can override default status code in routing-controllers options.
 
 ```typescript
 import "reflect-metadata";
@@ -809,9 +809,9 @@ const app = createExpressServer({
         //with this option, null will return 404 by default
         nullResultCode: 404,
 
-        //with this option, void or Promise<void> will return 204 by default 
+        //with this option, void or Promise<void> will return 204 by default
         undefinedResultCode: 204,
-        
+
         paramOptions: {
             //with this option, argument will be required by default
             required: true
@@ -907,7 +907,7 @@ Here is example of creating middleware for express.js:
 
     export class MyMiddleware implements ExpressMiddlewareInterface { // interface implementation is optional
 
-        use(request: any, response: any, next?: (err?: any) => any): any {
+        use(request: express.Request, response: express.Response, next: express.NextFunction): any {
             console.log("do something...");
             next();
         }
@@ -1022,7 +1022,7 @@ import {Middleware, ExpressMiddlewareInterface} from "routing-controllers";
 @Middleware({ type: "before" })
 export class LoggingMiddleware implements ExpressMiddlewareInterface {
 
-    use(request: any, response: any, next: (err: any) => any): void {
+    use(error: any, request: express.Request, response: express.Response, next: express.NextFunction): any: void {
         console.log("do something...");
         next();
     }

jest.config.js

@@ -0,0 +1,24 @@
+module.exports = {
+    modulePaths: ["<rootDir>/node_modules"],
+    transform: {
+        "^.+\\.tsx?$": "ts-jest"
+    },
+    testRegex: "(/__test__/.*|(\\.|/)(test|spec))\\.(jsx?|tsx?)$",
+    testEnvironment: "node",
+    moduleFileExtensions: [
+        "ts",
+        "tsx",
+        "js",
+        "jsx",
+        "json",
+        "node"
+    ],
+    modulePathIgnorePatterns: [
+        "<rootDir>/build/"
+    ],
+    coverageReporters: [
+        // "html",
+        // "lcov",
+        "text-summary"
+    ]
+};