diff --git a/Source/Function/Copy.ts b/Source/Function/Copy.ts
index 6a3aad9..4e04b55 100644
--- a/Source/Function/Copy.ts
+++ b/Source/Function/Copy.ts
@@ -30,7 +30,7 @@ export default async (Option: Partial<Option> = {}): Promise<Plugin> => {
 					return;
 				}
 
-				if (!Format.length) {
+				if (Format.length === 0) {
 					return;
 				}
 
@@ -79,18 +79,14 @@ export default async (Option: Partial<Option> = {}): Promise<Plugin> => {
 				// The final value of outDirResolveFrom will be used by all asset pairs
 				// Both relative and absolute path are okay
 				await Log(
-					`Resolve assert pair to path from: ${(
-						await import("path")
-					).resolve(outDirResolveFrom)}`,
+					`Resolve assert pair to path from: ${(await import("path")).resolve(outDirResolveFrom)}`,
 					Verbose,
 				);
 
 				for (const { from, to } of Format) {
 					const deduplicatedPaths = [
 						...new Set(
-							await (
-								await import("fast-glob")
-							).default(from, {
+							await (await import("fast-glob")).default(from, {
 								// Ensure outputs contains only file path
 								onlyFiles: true,
 								...Glob,
@@ -98,7 +94,7 @@ export default async (Option: Partial<Option> = {}): Promise<Plugin> => {
 						),
 					];
 
-					if (!deduplicatedPaths.length) {
+					if (deduplicatedPaths.length === 0) {
 						await Log(
 							`No files matched using current glob pattern: ${Chalk.white(
 								from,
diff --git a/Source/Function/Ensure.ts b/Source/Function/Ensure.ts
index c42db7a..2a90b41 100644
--- a/Source/Function/Ensure.ts
+++ b/Source/Function/Ensure.ts
@@ -2,7 +2,7 @@
  * @module Ensure
  *
  */
-export default <T>(item: MaybeArray<T>): Array<T> => {
+export default <T>(item: MaybeArray<T>): T[] => {
 	return Array.isArray(item) ? item : [item];
 };
 
diff --git a/Source/Function/Handle.ts b/Source/Function/Handle.ts
index 4a92eea..113ef25 100644
--- a/Source/Function/Handle.ts
+++ b/Source/Function/Handle.ts
@@ -38,7 +38,7 @@ export default async (
 
 		// only works for /**/*(.ext) pattern
 		// ./assets/** → ./assets
-		const startFragment = dir.replace(`/**`, "");
+		const startFragment = dir.replace("/**", "");
 
 		// globbedFromPath: /PATH/TO/assets/foo.js → /foo.js
 		// globbedFromPath: /PATH/TO/assets/nest/foo.js → /nest/foo.js
@@ -69,9 +69,7 @@ export default async (
 
 		if (!Dry) {
 			try {
-				await (
-					await import("fs/promises")
-				).access(
+				await (await import("fs/promises")).access(
 					(await import("path")).dirname(composedDistDirPath),
 					(await import("fs/promises")).constants.R_OK,
 				);
@@ -81,7 +79,7 @@ export default async (
 					composedDistDirPath,
 				);
 			} catch (_Error) {
-				Log(new String(_Error).toString(), Verbose);
+				Log(String(_Error).toString(), Verbose);
 			}
 		}