diff --git a/tracers.ts/src/commander/index.ts b/tracers.ts/src/commander/index.ts
index ff0e4c6..49ec15e 100644
--- a/tracers.ts/src/commander/index.ts
+++ b/tracers.ts/src/commander/index.ts
@@ -1,4 +1,4 @@
-import type { TracerCommand } from "../types/command";
+import type { TracerCommand } from '../types/command';
 
 export class Commander {
   private commands: TracerCommand<unknown>[];
diff --git a/tracers.ts/src/index.ts b/tracers.ts/src/index.ts
index eec0569..63ace5a 100644
--- a/tracers.ts/src/index.ts
+++ b/tracers.ts/src/index.ts
@@ -1,5 +1,5 @@
-import { Commander } from "./commander";
-import { ArrayTracer } from "./tracer";
+import { Commander } from './commander';
+import { ArrayTracer } from './tracer';
 
 const arrayTracer = ArrayTracer.define<number>({ description: 'Array Tracer' });
 
@@ -7,4 +7,4 @@ arrayTracer.preset([1, 2, 3]);
 
 const commander = Commander.getInstance();
 const commands = commander.output();
-console.log(commands);
\ No newline at end of file
+console.log(commands);
diff --git a/tracers.ts/src/tracer/array-tracer.ts b/tracers.ts/src/tracer/array-tracer.ts
index e7f37ce..1df64a7 100644
--- a/tracers.ts/src/tracer/array-tracer.ts
+++ b/tracers.ts/src/tracer/array-tracer.ts
@@ -1,5 +1,5 @@
-import { Commander } from "../commander";
-import { Registry } from "../registry";
+import { Commander } from '../commander';
+import { Registry } from '../registry';
 
 export interface ArrayTracerOption<T> {
   description: string;
@@ -15,13 +15,13 @@ export class ArrayTracer<T> {
   public static define<T>(option: ArrayTracerOption<T>): ArrayTracer<T> {
     const arrayTracer = new ArrayTracer();
     const registry = Registry.getInstance();
-    registry.register("ArrayTracer", arrayTracer.tracerId);
+    registry.register('ArrayTracer', arrayTracer.tracerId);
     const commander = Commander.getInstance();
     commander.command({
-      action: "define",
+      action: 'define',
       tracer: null,
       payload: {
-        type: "ArrayTracer",
+        type: 'ArrayTracer',
         id: arrayTracer.tracerId,
         desc: option.description,
       },
@@ -32,7 +32,7 @@ export class ArrayTracer<T> {
   public preset(array: T[]) {
     const commander = Commander.getInstance();
     commander.command({
-      action: "preset",
+      action: 'preset',
       tracer: this.tracerId,
       payload: array,
     });
@@ -41,7 +41,7 @@ export class ArrayTracer<T> {
   public extend(size: number) {
     const commander = Commander.getInstance();
     commander.command({
-      action: "extend",
+      action: 'extend',
       tracer: this.tracerId,
       payload: { size },
     });
@@ -50,7 +50,7 @@ export class ArrayTracer<T> {
   public shrink(size: number) {
     const commander = Commander.getInstance();
     commander.command({
-      action: "shrink",
+      action: 'shrink',
       tracer: this.tracerId,
       payload: { size },
     });
@@ -59,7 +59,7 @@ export class ArrayTracer<T> {
   public pick(index: number) {
     const commander = Commander.getInstance();
     commander.command({
-      action: "pick",
+      action: 'pick',
       tracer: this.tracerId,
       payload: { index },
     });
@@ -68,7 +68,7 @@ export class ArrayTracer<T> {
   public drop(index: number) {
     const commander = Commander.getInstance();
     commander.command({
-      action: "drop",
+      action: 'drop',
       tracer: this.tracerId,
       payload: { index },
     });
@@ -77,7 +77,7 @@ export class ArrayTracer<T> {
   public patch(index: number, value: T) {
     const commander = Commander.getInstance();
     commander.command({
-      action: "patch",
+      action: 'patch',
       tracer: this.tracerId,
       payload: { index, value },
     });
@@ -86,7 +86,7 @@ export class ArrayTracer<T> {
   public reset(index: number) {
     const commander = Commander.getInstance();
     commander.command({
-      action: "reset",
+      action: 'reset',
       tracer: this.tracerId,
       payload: { index },
     });
diff --git a/tracers.ts/src/types/action/index.ts b/tracers.ts/src/types/action/index.ts
index e37aa7d..829dc96 100644
--- a/tracers.ts/src/types/action/index.ts
+++ b/tracers.ts/src/types/action/index.ts
@@ -1,5 +1,5 @@
-import type { ArrayTracerCommand } from "../command";
+import type { ArrayTracerCommand } from '../command';
 
-export type ArrayTracerAction = ArrayTracerCommand["action"];
+export type ArrayTracerAction = ArrayTracerCommand['action'];
 
 export type TracerAction = ArrayTracerAction;
diff --git a/tracers.ts/src/types/command/array-tracer-command.ts b/tracers.ts/src/types/command/array-tracer-command.ts
index f0a892c..7c09e06 100644
--- a/tracers.ts/src/types/command/array-tracer-command.ts
+++ b/tracers.ts/src/types/command/array-tracer-command.ts
@@ -1,47 +1,47 @@
 export type ArrayTracerDefineCommand = {
-  action: "define";
+  action: 'define';
   tracer: null;
-  payload: { type: "ArrayTracer"; id: string; desc?: string };
+  payload: { type: 'ArrayTracer'; id: string; desc?: string };
 };
 
 export type ArrayTracerPresetCommand<T = unknown> = {
-  action: "preset";
+  action: 'preset';
   tracer: string;
   payload: T[];
 };
 
 export type ArrayTracerExtendCommand = {
-  action: "extend";
+  action: 'extend';
   tracer: string;
   payload: { size: number };
 };
 
 export type ArrayTracerShrinkCommand = {
-  action: "shrink";
+  action: 'shrink';
   tracer: string;
   payload: { size: number };
 };
 
 export type ArrayTracerPickCommand = {
-  action: "pick";
+  action: 'pick';
   tracer: string;
   payload: { index: number };
 };
 
 export type ArrayTracerDropCommand = {
-  action: "drop";
+  action: 'drop';
   tracer: string;
   payload: { index: number };
 };
 
 export type ArrayTracerPatchCommand<T = unknown> = {
-  action: "patch";
+  action: 'patch';
   tracer: string;
   payload: { index: number; value: T };
 };
 
 export type ArrayTracerResetCommand = {
-  action: "reset";
+  action: 'reset';
   tracer: string;
   payload: { index: number };
 };
diff --git a/tracers.ts/src/types/command/index.ts b/tracers.ts/src/types/command/index.ts
index 69bb9df..b23b717 100644
--- a/tracers.ts/src/types/command/index.ts
+++ b/tracers.ts/src/types/command/index.ts
@@ -1,5 +1,5 @@
-import type { ArrayTracerCommand } from "./array-tracer-command";
+import type { ArrayTracerCommand } from './array-tracer-command';
 
-export * from "./array-tracer-command";
+export * from './array-tracer-command';
 
 export type TracerCommand<T = never> = ArrayTracerCommand<T>;
diff --git a/tracers.ts/src/types/tracer/index.ts b/tracers.ts/src/types/tracer/index.ts
index 610e992..5aa7708 100644
--- a/tracers.ts/src/types/tracer/index.ts
+++ b/tracers.ts/src/types/tracer/index.ts
@@ -1,5 +1,5 @@
-import type { ArrayTracerDefineCommand } from "../command";
+import type { ArrayTracerDefineCommand } from '../command';
 
-type ArrayTracer = ArrayTracerDefineCommand["payload"]["type"];
+type ArrayTracer = ArrayTracerDefineCommand['payload']['type'];
 
 export type TracerType = ArrayTracer;