diff --git a/.eslintrc.json b/.eslintrc.json
index bd90f4fc12..abef43b1d7 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -61,6 +61,12 @@
         "no-case-declarations": "error",
         "no-const-assign": "error",
         "no-constant-condition": "off",
+        "no-multiple-empty-lines": [
+            "error",
+            {
+                "max": 2
+            }
+        ],
         "no-global-assign": "error",
         "no-new": "error",
         "no-param-reassign": "off",
@@ -211,6 +217,10 @@
                 "after": true
             }
         ],
+        "space-before-blocks": [
+            "error",
+            "always"
+        ],
         "space-before-function-paren": [
             "error",
             {
@@ -392,6 +402,12 @@
                 "*.ts"
             ],
             "rules": {
+                "no-multiple-empty-lines": [
+                    "error",
+                    {
+                        "max": 1
+                    }
+                ],
                 "no-undef": "off",
                 "unused-imports/no-unused-imports": "error",
                 "@typescript-eslint/no-unused-vars": [
diff --git a/test/database.test.js b/test/database.test.js
index 4a52f18d58..c99cf57c31 100644
--- a/test/database.test.js
+++ b/test/database.test.js
@@ -103,7 +103,6 @@ function countKanjiWithCharacter(kanji, character) {
 }
 
 
-
 /** */
 async function testDatabase1() {
     test('Database1', async () => {
diff --git a/types/ext/dictionary-importer-media-loader.d.ts b/types/ext/dictionary-importer-media-loader.d.ts
index afbb1902bb..f56d7cf6bf 100644
--- a/types/ext/dictionary-importer-media-loader.d.ts
+++ b/types/ext/dictionary-importer-media-loader.d.ts
@@ -30,7 +30,6 @@ export type GetImageDetailsFunction = (
     transfer?: Transferable[]
 ) => Promise<{content: ArrayBuffer, width: number, height: number}>;
 
-
 export type GenericMediaLoader = {
     getImageDetails: GetImageDetailsFunction;
 };
diff --git a/types/ext/offscreen.d.ts b/types/ext/offscreen.d.ts
index 2046bfe0d2..511c32bdb5 100644
--- a/types/ext/offscreen.d.ts
+++ b/types/ext/offscreen.d.ts
@@ -108,7 +108,6 @@ export type FindKanjiOptionsOffscreen = Omit<Translation.FindKanjiOptions, 'enab
     ][];
 };
 
-
 export type FindTermsOptionsOffscreen = Omit<Translation.FindTermsOptions, 'enabledDictionaryMap' | 'excludeDictionaryDefinitions' | 'textReplacements'> & {
     enabledDictionaryMap: [
         key: string,