switch to eslint

.eslintrc.js

@@ -0,0 +1,18 @@
+module.exports = {
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint'],
+  env: {
+    browser: true
+  },
+  parserOptions: {
+    project: './tsconfig.json'
+  },
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/eslint-recommended',
+    'plugin:@typescript-eslint/recommended'
+  ],
+  rules: {
+    '@typescript-eslint/no-explicit-any': 'off'
+  }
+};

package.json

@@ -3,9 +3,13 @@
   "version": "0.4.0",
   "description": "A Razor class library for interacting with the browser visibility API",
   "scripts": {
-    "build": "tsc"
+    "build": "tsc",
+    "lint": "eslint ./src --ext .ts"
   },
   "devDependencies": {
+    "@typescript-eslint/eslint-plugin": "^2.3.0",
+    "@typescript-eslint/parser": "^2.3.0",
+    "eslint": "^6.4.0",
     "tslint": "^5.19.0",
     "typescript": "^3.6.2"
   },

src/pagevisibility.ts

@@ -1,61 +1,59 @@
-namespace CurrieTechnologies.Razor.PageVisibility {
-  declare var DotNet: any;
-
-  const domWindow = window as any;
-
-  const namespace: string = "CurrieTechnologies.Razor.PageVisibility";
-
-  const visibilityCallbacks = new Map<string, () => Promise<void>>();
-
-  function dispatchVisibiliyChange(
-    id: string,
-    hidden: boolean,
-    visibilityState: string,
-  ): Promise<void> {
-    return DotNet.invokeMethodAsync(
-      namespace,
-      "ReceiveVisibiliyChange",
-      id,
-      hidden,
-      visibilityState,
+declare let DotNet: any;
+
+const domWindow = window as any;
+
+const namespace = "CurrieTechnologies.Razor.PageVisibility";
+
+const visibilityCallbacks = new Map<string, () => Promise<void>>();
+
+function dispatchVisibiliyChange(
+  id: string,
+  hidden: boolean,
+  visibilityState: string,
+): Promise<void> {
+  return DotNet.invokeMethodAsync(
+    namespace,
+    "ReceiveVisibiliyChange",
+    id,
+    hidden,
+    visibilityState,
+  );
+}
+
+function visibilityCallbackFactory(actionId: string) {
+  return (): Promise<void> =>
+    dispatchVisibiliyChange(
+      actionId,
+      document.hidden,
+      document.visibilityState,
     );
-  }
-
-  function visibilityCallbackFactory(actionId: string) {
-    return () =>
-      dispatchVisibiliyChange(
-        actionId,
-        document.hidden,
-        document.visibilityState,
-      );
-  }
-
-  domWindow.CurrieTechnologies = domWindow.CurrieTechnologies || {};
-  domWindow.CurrieTechnologies.Razor = domWindow.CurrieTechnologies.Razor || {};
-  domWindow.CurrieTechnologies.Razor.PageVisibility =
-    domWindow.CurrieTechnologies.Razor.PageVisibility || {};
-
-  domWindow.CurrieTechnologies.Razor.PageVisibility.IsHidden = (): boolean => {
-    return document.hidden;
-  };
-
-  domWindow.CurrieTechnologies.Razor.PageVisibility.GetVisibilityState = (): string => {
-    return document.visibilityState;
-  };
-
-  domWindow.CurrieTechnologies.Razor.PageVisibility.OnVisibilityChange = (
-    actionId: string,
-  ): void => {
-    const callback = visibilityCallbackFactory(actionId);
-    visibilityCallbacks.set(actionId, callback);
-    document.addEventListener("visibilitychange", callback);
-  };
-
-  domWindow.CurrieTechnologies.Razor.PageVisibility.RemoveVisibilityChangeCallback = (
-    actionId: string,
-  ): void => {
-    const callback = visibilityCallbacks.get(actionId) as () => Promise<void>;
-    document.removeEventListener("visibilitychange", callback);
-    visibilityCallbacks.delete(actionId);
-  };
 }
+
+domWindow.CurrieTechnologies = domWindow.CurrieTechnologies || {};
+domWindow.CurrieTechnologies.Razor = domWindow.CurrieTechnologies.Razor || {};
+domWindow.CurrieTechnologies.Razor.PageVisibility =
+  domWindow.CurrieTechnologies.Razor.PageVisibility || {};
+
+domWindow.CurrieTechnologies.Razor.PageVisibility.IsHidden = (): boolean => {
+  return document.hidden;
+};
+
+domWindow.CurrieTechnologies.Razor.PageVisibility.GetVisibilityState = (): string => {
+  return document.visibilityState;
+};
+
+domWindow.CurrieTechnologies.Razor.PageVisibility.OnVisibilityChange = (
+  actionId: string,
+): void => {
+  const callback = visibilityCallbackFactory(actionId);
+  visibilityCallbacks.set(actionId, callback);
+  document.addEventListener("visibilitychange", callback);
+};
+
+domWindow.CurrieTechnologies.Razor.PageVisibility.RemoveVisibilityChangeCallback = (
+  actionId: string,
+): void => {
+  const callback = visibilityCallbacks.get(actionId) as () => Promise<void>;
+  document.removeEventListener("visibilitychange", callback);
+  visibilityCallbacks.delete(actionId);
+};