[#IC-489] migrate ts-lint to eslint for io-functions-public (#49)

* migrate ts-lint to eslint for io-functions-public

* fix azure pipeline

* fix linter errors

* Applied suggestions from PR

* removed more linter ignoring comments

* removed sonarjs linter ignoring comment

.eslintrc.js

@@ -0,0 +1,26 @@
+module.exports = {
+    "env": {
+        "browser": true,
+        "es6": true,
+        "node": true
+    },
+    "ignorePatterns": [
+        "node_modules",
+        "generated",
+        "**/__tests__/*",
+        "**/__mocks__/*",
+        "Dangerfile.*",
+        "*.d.ts"
+    ],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "project": "tsconfig.json",
+        "sourceType": "module"
+    },
+    "extends": [
+        "@pagopa/eslint-config/strong",
+    ],
+    "rules": {
+
+    }
+}

.gitignore

@@ -46,4 +46,7 @@ coverage
 
 yarn-error.log
 
-generated
+generated
+# eslint section
+!.eslintrc.js
+.eslintcache

Dangerfile.ts

@@ -1,7 +1,6 @@
 // import custom DangerJS rules
 // see http://danger.systems/js
 // see https://github.com/teamdigitale/danger-plugin-digitalcitizenship/
-// tslint:disable-next-line:prettier
 import checkDangers from "danger-plugin-digitalcitizenship";
 
 checkDangers();

Info/handler.ts

@@ -10,30 +10,30 @@ import * as packageJson from "../package.json";
 import { checkApplicationHealth, HealthCheck } from "../utils/healthcheck";
 
 interface IInfo {
-  name: string;
-  version: string;
+  readonly name: string;
+  readonly version: string;
 }
 
 type InfoHandler = () => Promise<
   IResponseSuccessJson<IInfo> | IResponseErrorInternal
 >;
 
-export function InfoHandler(healthCheck: HealthCheck): InfoHandler {
-  return () =>
-    healthCheck
-      .fold<IResponseSuccessJson<IInfo> | IResponseErrorInternal>(
-        problems => ResponseErrorInternal(problems.join("\n\n")),
-        _ =>
-          ResponseSuccessJson({
-            name: packageJson.name,
-            version: packageJson.version
-          })
-      )
-      .run();
-}
+export const InfoHandler = (
+  healthCheck: HealthCheck
+): InfoHandler => (): ReturnType<InfoHandler> =>
+  healthCheck
+    .fold<IResponseSuccessJson<IInfo> | IResponseErrorInternal>(
+      problems => ResponseErrorInternal(problems.join("\n\n")),
+      _ =>
+        ResponseSuccessJson({
+          name: packageJson.name,
+          version: packageJson.version
+        })
+    )
+    .run();
 
-export function Info(): express.RequestHandler {
+export const Info = (): express.RequestHandler => {
   const handler = InfoHandler(checkApplicationHealth());
 
   return wrapRequestHandler(handler);
-}
+};

ValidateProfileEmail/__tests__/handler.test.ts

@@ -1,5 +1,3 @@
-/* tslint:disable: no-any */
-
 import { ResourceNotFoundCode } from "io-functions-commons/dist/src/utils/azure_storage";
 
 import {