diff --git a/logic/board.ts b/logic/board.ts
index 0694189..f8713e0 100644
--- a/logic/board.ts
+++ b/logic/board.ts
@@ -16,7 +16,7 @@ export function createBoard(config: BoardConfig): BoardData {
 
 export function locateSection(
   { x, y }: CharacterPosition,
-  config: BoardConfig
+  config: BoardConfig,
 ): SectionPosition {
   return {
     sx: Math.floor(x / config.sectionWidth),
diff --git a/logic/character.ts b/logic/character.ts
index 3724fc3..d1b9f69 100644
--- a/logic/character.ts
+++ b/logic/character.ts
@@ -5,10 +5,11 @@ const printableASCIIRegex = /^[\x20-\x7E]$/;
 
 export function getCharacterWidth(ch: string): number {
   const segments = [...segmenter.segment(ch)];
-  if (segments.length !== 1)
+  if (segments.length !== 1) {
     throw new Error(
-      `Expected exactly one grapheme cluster, got ${segments.length}.`
+      `Expected exactly one grapheme cluster, got ${segments.length}.`,
     );
+  }
 
   const matchesASCII = ch.match(printableASCIIRegex);
   const matchesCJK = ch.match(cjkRegex);
diff --git a/logic/section.ts b/logic/section.ts
index cbc6206..e2d99f0 100644
--- a/logic/section.ts
+++ b/logic/section.ts
@@ -5,27 +5,28 @@ import type { SectionData, SectionPosition } from "../types/section.ts";
 
 export function createSection(
   { sx, sy }: SectionPosition,
-  boardConfig: BoardConfig
+  boardConfig: BoardConfig,
 ): SectionData {
-  if (boardConfig.sectionWidth % 2 !== 0)
+  if (boardConfig.sectionWidth % 2 !== 0) {
     throw new Error(
-      "sectionWidth must be multiple of 2 (least common multiples of all character widths)"
+      "sectionWidth must be multiple of 2 (least common multiples of all character widths)",
     );
+  }
 
   const offsetX = sx * boardConfig.sectionWidth;
   const offsetY = sy * boardConfig.sectionHeight;
 
   const ch: string[][] = Array(boardConfig.sectionHeight).fill(
-    Array(boardConfig.sectionWidth).fill(boardConfig.defaultCh)
+    Array(boardConfig.sectionWidth).fill(boardConfig.defaultCh),
   );
   const color: string[][] = Array(boardConfig.sectionHeight).fill(
-    Array(boardConfig.sectionWidth).fill(boardConfig.defaultColor)
+    Array(boardConfig.sectionWidth).fill(boardConfig.defaultColor),
   );
   const bgColor: string[][] = Array(boardConfig.sectionHeight).fill(
-    Array(boardConfig.sectionWidth).fill(boardConfig.defaultBgColor)
+    Array(boardConfig.sectionWidth).fill(boardConfig.defaultBgColor),
   );
   const width: number[][] = Array(boardConfig.sectionHeight).fill(
-    Array(boardConfig.sectionWidth).fill(boardConfig.defaultWidth)
+    Array(boardConfig.sectionWidth).fill(boardConfig.defaultWidth),
   );
 
   return { offsetX, offsetY, ch, color, bgColor, width };
diff --git a/tests/section.test.ts b/tests/section.test.ts
index 51a58b2..0984ad2 100644
--- a/tests/section.test.ts
+++ b/tests/section.test.ts
@@ -23,7 +23,7 @@ Deno.test("section", async (t) => {
           defaultColor: "F",
           defaultBgColor: "0",
           defaultWidth: 1,
-        }
+        },
       );
     });
   });
@@ -40,7 +40,7 @@ Deno.test("section", async (t) => {
         defaultColor: "F",
         defaultBgColor: "0",
         defaultWidth: 1,
-      }
+      },
     );
 
     assertEquals(section.offsetX, 4);
@@ -59,7 +59,7 @@ Deno.test("section", async (t) => {
         defaultColor: "F",
         defaultBgColor: "0",
         defaultWidth: 1,
-      }
+      },
     );
 
     assertEquals(section.offsetX, 0);
@@ -69,7 +69,7 @@ Deno.test("section", async (t) => {
       content: T[][],
       rowCount: number,
       columnCount: number,
-      value: T
+      value: T,
     ) {
       assertEquals(content.length, rowCount);
       for (const row of content) {