diff --git a/.eslintrc.js b/.eslintrc.js
index 5765a90..a985e0e 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -23,23 +23,7 @@ module.exports = {
     'eslint:recommended',
     'plugin:@typescript-eslint/recommended',
     'plugin:react/recommended',
+    'plugin:react/jsx-runtime',
   ],
-  rules: {
-    'no-case-declarations': 'off',
-    'prefer-spread': 'off',
-    'no-extra-boolean-cast': 'off',
-    '@typescript-eslint/no-unused-vars': 'off',
-    '@typescript-eslint/no-use-before-define': 'off',
-    '@typescript-eslint/explicit-module-boundary-types': 'off',
-    '@typescript-eslint/no-explicit-any': 'off',
-    '@typescript-eslint/no-non-null-assertion': 'off',
-    '@typescript-eslint/no-empty-function': 'off',
-    '@typescript-eslint/ban-types': 'off',
-    '@typescript-eslint/no-this-alias': 'off',
-    '@typescript-eslint/ban-ts-comment': 'off',
-    'react/prop-types': 'off',
-    'react/react-in-jsx-scope': 'off',
-    'react/display-name': 'off',
-    'react/no-unescaped-entities': 'off',
-  },
+  rules: {},
 };
diff --git a/src/app.tsx b/src/app.tsx
index cd4b99b..c17b744 100644
--- a/src/app.tsx
+++ b/src/app.tsx
@@ -548,7 +548,7 @@ export function App() {
   function renderMainArea() {
     switch (state) {
       case AppState.SHOWING_CHART:
-      case AppState.LOADING_MORE:
+      case AppState.LOADING_MORE: {
         const updatedSelection = getSelection(data!.chartData, selection);
         return (
           <div id="content">
@@ -577,6 +577,7 @@ export function App() {
             </SidebarPushable>
           </div>
         );
+      }
 
       case AppState.ERROR:
         return <ErrorMessage message={error!} />;
diff --git a/src/menu/search_index.ts b/src/menu/search_index.ts
index fdc2d9a..7d49186 100644
--- a/src/menu/search_index.ts
+++ b/src/menu/search_index.ts
@@ -45,7 +45,7 @@ function compare(a: lunr.Index.Result, b: lunr.Index.Result) {
 /** Returns all last names of all husbands as a space-separated string. */
 function getHusbandLastName(
   indi: JsonIndi,
-  indiMap: Map<String, JsonIndi>,
+  indiMap: Map<string, JsonIndi>,
   famMap: Map<string, JsonFam>,
 ): string {
   return (indi.fams || [])
@@ -67,6 +67,7 @@ class LunrSearchIndex implements SearchIndex {
   }
 
   initialize() {
+    // eslint-disable-next-line @typescript-eslint/no-this-alias
     const self = this;
     this.index = lunr(function () {
       //Trimmer will break non-latin characters, so custom multilingual implementation must be used
@@ -110,6 +111,7 @@ class LunrSearchIndex implements SearchIndex {
     const pipelineFunctions: PipelineFunction[] = [];
     const searchPipelineFunctions: PipelineFunction[] = [];
     languages.forEach((language) => {
+      // eslint-disable-next-line @typescript-eslint/ban-ts-comment
       // @ts-ignore
       const lunrLanguage = lunr[language];
       if (language === 'en') {
@@ -129,14 +131,11 @@ class LunrSearchIndex implements SearchIndex {
       }
     });
     lunrInstance.pipeline.reset();
-    lunrInstance.pipeline.add.apply(lunrInstance.pipeline, pipelineFunctions);
+    lunrInstance.pipeline.add(...pipelineFunctions);
 
     if (lunrInstance.searchPipeline) {
       lunrInstance.searchPipeline.reset();
-      lunrInstance.searchPipeline.add.apply(
-        lunrInstance.searchPipeline,
-        searchPipelineFunctions,
-      );
+      lunrInstance.searchPipeline.add(...searchPipelineFunctions);
     }
   }
 
diff --git a/src/menu/top_bar.tsx b/src/menu/top_bar.tsx
index fe50d3b..a271858 100644
--- a/src/menu/top_bar.tsx
+++ b/src/menu/top_bar.tsx
@@ -224,7 +224,7 @@ export function TopBar(props: Props) {
     }
 
     switch (screenSize) {
-      case ScreenSize.LARGE:
+      case ScreenSize.LARGE: {
         // Show dropdown if chart is shown, otherwise show individual menu
         // items.
         const menus = props.showingChart ? (
@@ -251,6 +251,7 @@ export function TopBar(props: Props) {
           </>
         );
         return menus;
+      }
 
       case ScreenSize.SMALL:
         return (
diff --git a/src/sidepanel/details/details.tsx b/src/sidepanel/details/details.tsx
index 9c49f09..cd53bb9 100644
--- a/src/sidepanel/details/details.tsx
+++ b/src/sidepanel/details/details.tsx
@@ -145,7 +145,7 @@ function fileDetails(objectEntries: GedcomEntry[], gedcom: GedcomData) {
     .map((objectEntry) => dereference(objectEntry, gedcom, (gedcom) => gedcom.other))
     .forEach((objectEntry) => {
       const fileEntry = getNonImageFileEntry(objectEntry);
-      if (!!fileEntry) {
+      if (fileEntry) {
         files.push({
           url: fileEntry.data,
           filename: getFileName(fileEntry),
diff --git a/src/util/analytics_noop.ts b/src/util/analytics_noop.ts
index 96ffb5d..9f2bed5 100644
--- a/src/util/analytics_noop.ts
+++ b/src/util/analytics_noop.ts
@@ -1,2 +1,4 @@
 /** No-op function for analytics. */
-export function analyticsEvent(action: string, data?: any) {}
+export function analyticsEvent(action: string, data?: any) {
+  // no-op
+}