diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000000..1b8ac8894b
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,3 @@
+# Ignore artifacts:
+build
+coverage
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000000..1a10c07912
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,10 @@
+{
+    "semi":"true",
+    "singleQuote":"true",
+    "trailingComa":"es5",
+    "useTabs":"true",
+    "arrowParens":"avoid",
+    "printWidth":80,
+    "tabWidth":2,
+    "bracketSpacing": true
+}
diff --git a/install/package.json b/install/package.json
index e698a223a0..65568103ef 100644
--- a/install/package.json
+++ b/install/package.json
@@ -154,6 +154,7 @@
         "zxcvbn": "4.4.2"
     },
     "devDependencies": {
+        "prettier": "3.3.3",
         "jshint": "^2.13.6",
         "flow-bin":"^0.250.0",
         "@stryker-mutator/core": "^8.6.0",
diff --git a/src/categories/delete.js b/src/categories/delete.js
index a03d96ee37..4c1f27884c 100644
--- a/src/categories/delete.js
+++ b/src/categories/delete.js
@@ -11,25 +11,40 @@ const cache = require('../cache');
 
 module.exports = function (Categories) {
 	Categories.purge = async function (cid, uid) {
-		await batch.processSortedSet(`cid:${cid}:tids`, async (tids) => {
-			await async.eachLimit(tids, 10, async (tid) => {
-				await topics.purgePostsAndTopic(tid, uid);
-			});
-		}, { alwaysStartAt: 0 });
+		await batch.processSortedSet(
+			`cid:${cid}:tids`,
+			async (tids) => {
+				await async.eachLimit(tids, 10, async (tid) => {
+					await topics.purgePostsAndTopic(tid, uid);
+				});
+			},
+			{ alwaysStartAt: 0 },
+		);
 
-		const pinnedTids = await db.getSortedSetRevRange(`cid:${cid}:tids:pinned`, 0, -1);
+		const pinnedTids = await db.getSortedSetRevRange(
+			`cid:${cid}:tids:pinned`,
+			0,
+			-1,
+		);
 		await async.eachLimit(pinnedTids, 10, async (tid) => {
 			await topics.purgePostsAndTopic(tid, uid);
 		});
 		const categoryData = await Categories.getCategoryData(cid);
 		await purgeCategory(cid, categoryData);
-		plugins.hooks.fire('action:category.delete', { cid: cid, uid: uid, category: categoryData });
+		plugins.hooks.fire('action:category.delete', {
+			cid: cid,
+			uid: uid,
+			category: categoryData,
+		});
 	};
 
 	async function purgeCategory(cid, categoryData) {
 		const bulkRemove = [['categories:cid', cid]];
 		if (categoryData && categoryData.name) {
-			bulkRemove.push(['categories:name', `${categoryData.name.slice(0, 200).toLowerCase()}:${cid}`]);
+			bulkRemove.push([
+				'categories:name',
+				`${categoryData.name.slice(0, 200).toLowerCase()}:${cid}`,
+			]);
 		}
 		await db.sortedSetRemoveBulk(bulkRemove);
 
@@ -51,7 +66,9 @@ module.exports = function (Categories) {
 			`category:${cid}`,
 		]);
 		const privilegeList = await privileges.categories.getPrivilegeList();
-		await groups.destroy(privilegeList.map(privilege => `cid:${cid}:privileges:${privilege}`));
+		await groups.destroy(
+			privilegeList.map(privilege => `cid:${cid}:privileges:${privilege}`),
+		);
 	}
 
 	async function removeFromParent(cid) {