diff --git a/packages/utils/package.json b/packages/utils/package.json
index ae6e620..60bbc04 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -128,10 +128,10 @@
 			"require": "./lib/loader/loaders.js",
 			"import": "./lib/loader/loaders.mjs"
 		},
-    "./lib/loader/modern": {
-      "require": "./lib/loader/modern.js",
-      "import": "./lib/loader/modern.mjs"
-    },
+		"./lib/loader/modern": {
+			"require": "./lib/loader/modern.js",
+			"import": "./lib/loader/modern.mjs"
+		},
 		"./lib/loader/types": {
 			"require": "./lib/loader/types.js",
 			"import": "./lib/loader/types.mjs"
@@ -163,7 +163,7 @@
 		"@iconify/types": "^1.0.12",
 		"debug": "^4.3.3",
 		"kolorist": "^1.5.0",
-    "local-pkg": "^0.4.0"
+		"local-pkg": "^0.4.0"
 	},
 	"devDependencies": {
 		"@iconify/library-builder": "^1.0.4",
diff --git a/packages/utils/src/loader/custom.ts b/packages/utils/src/loader/custom.ts
index a02d512..84e3ed4 100644
--- a/packages/utils/src/loader/custom.ts
+++ b/packages/utils/src/loader/custom.ts
@@ -1,5 +1,9 @@
 import createDebugger from 'debug';
-import type { CustomIconLoader, IconCustomizations, InlineCollection } from './types';
+import type {
+	CustomIconLoader,
+	IconCustomizations,
+	InlineCollection,
+} from './types';
 import { mergeIconProps } from './utils';
 
 const debug = createDebugger('@iconify-loader:custom');
@@ -11,7 +15,7 @@ export async function getCustomIcon(
 	custom: CustomIconLoader | InlineCollection,
 	collection: string,
 	icon: string,
-	iconsCustomizations?: IconCustomizations,
+	iconsCustomizations?: IconCustomizations
 ): Promise<string | undefined> {
 	let result: string | undefined | null;
 
@@ -26,10 +30,16 @@ export async function getCustomIcon(
 
 	if (result) {
 		if (!result.startsWith('<svg ')) {
-			console.warn(`Custom icon "${icon}" in "${collection}" is not a valid SVG`)
-			return result
+			console.warn(
+				`Custom icon "${icon}" in "${collection}" is not a valid SVG`
+			);
+			return result;
 		}
-		const { transform, additionalProps = {}, iconCustomizer } = iconsCustomizations || {}
+		const {
+			transform,
+			additionalProps = {},
+			iconCustomizer,
+		} = iconsCustomizations || {};
 		return await mergeIconProps(
 			transform ? await transform(result) : result,
 			collection,
@@ -37,7 +47,6 @@ export async function getCustomIcon(
 			additionalProps,
 			undefined,
 			iconCustomizer
-		)
-
+		);
 	}
 }
diff --git a/packages/utils/src/loader/modern.ts b/packages/utils/src/loader/modern.ts
index eb21311..de9983a 100644
--- a/packages/utils/src/loader/modern.ts
+++ b/packages/utils/src/loader/modern.ts
@@ -16,7 +16,10 @@ const debugLegacy = createDebugger('@iconify-loader:legacy');
 const _collections: Record<string, Promise<IconifyJSON | undefined>> = {};
 const isLegacyExists = isPackageExists('@iconify/json');
 
-export async function loadCollection(name: string, autoInstall = false): Promise<IconifyJSON | undefined> {
+export async function loadCollection(
+	name: string,
+	autoInstall = false
+): Promise<IconifyJSON | undefined> {
 	if (!_collections[name]) {
 		_collections[name] = task();
 	}
@@ -43,8 +46,7 @@ export async function loadCollection(name: string, autoInstall = false): Promise
 
 		if (jsonPath) {
 			return JSON.parse(await fs.readFile(jsonPath, 'utf8'));
-		}
-		else {
+		} else {
 			debugModern(`failed to load ${name}`);
 			return undefined;
 		}
@@ -55,18 +57,24 @@ export async function searchForIcon(
 	iconSet: IconifyJSON,
 	collection: string,
 	ids: string[],
-	iconCustomizations?: IconCustomizations,
+	iconCustomizations?: IconCustomizations
 ): Promise<string | undefined> {
 	let iconData: FullIconifyIcon | null;
-	const { customize, additionalProps = {}, iconCustomizer } = iconCustomizations || {}
+	const {
+		customize,
+		additionalProps = {},
+		iconCustomizer,
+	} = iconCustomizations || {};
 	for (const id of ids) {
 		iconData = getIconData(iconSet, id, true);
 		if (iconData) {
 			debug(`${collection}:${id}`);
-			const defaultCustomizations = { ...DefaultIconCustomizations }
+			const defaultCustomizations = { ...DefaultIconCustomizations };
 			const { attributes, body } = iconToSVG(
 				iconData,
-				typeof customize === 'function' ? customize(defaultCustomizations) : defaultCustomizations
+				typeof customize === 'function'
+					? customize(defaultCustomizations)
+					: defaultCustomizations
 			);
 			return await mergeIconProps(
 				`<svg>${body}</svg>`,
@@ -74,8 +82,8 @@ export async function searchForIcon(
 				id,
 				additionalProps,
 				() => attributes,
-				iconCustomizer,
-			)
+				iconCustomizer
+			);
 		}
 	}
 }
diff --git a/packages/utils/src/loader/types.ts b/packages/utils/src/loader/types.ts
index e7a68bf..5784f3d 100644
--- a/packages/utils/src/loader/types.ts
+++ b/packages/utils/src/loader/types.ts
@@ -9,7 +9,11 @@ export type CustomIconLoader = (name: string) => Awaitable<string | undefined>;
 /**
  * Custom icon customizer, it will allow to customize all icons on a collection or individual icons.
  */
-export type IconCustomizer = (collection: string, icon: string, props: Record<string, string>) => Awaitable<void>;
+export type IconCustomizer = (
+	collection: string,
+	icon: string,
+	props: Record<string, string>
+) => Awaitable<void>;
 
 /**
  * Icon customizations: will be applied to all resolved icons.
@@ -29,24 +33,26 @@ export type IconCustomizations = {
 	 * @param svg The loaded `svg`
 	 * @return The transformed `svg`.
 	 */
-	transform?: (svg: string) => Awaitable<string>
+	transform?: (svg: string) => Awaitable<string>;
 	/**
 	 * Change default icon customizations values.
 	 *
 	 * @param defaultCustomizations Default icon's customizations values.
 	 * @return The modified icon's customizations values.
 	 */
-	customize?: (defaultCustomizations: FullIconCustomisations) => FullIconCustomisations
+	customize?: (
+		defaultCustomizations: FullIconCustomisations
+	) => FullIconCustomisations;
 	/**
 	 * Custom icon customizer.
 	 */
-	iconCustomizer?: IconCustomizer
+	iconCustomizer?: IconCustomizer;
 	/**
 	 * Additional icon properties.
 	 *
 	 * All properties without value will not be applied.
 	 */
-	additionalProps?: Record<string, string | undefined>
+	additionalProps?: Record<string, string | undefined>;
 };
 
 /**
diff --git a/packages/utils/src/loader/utils.ts b/packages/utils/src/loader/utils.ts
index 8950116..8caf7aa 100644
--- a/packages/utils/src/loader/utils.ts
+++ b/packages/utils/src/loader/utils.ts
@@ -21,17 +21,21 @@ export async function mergeIconProps(
 	icon: string,
 	additionalProps: Record<string, string | undefined>,
 	propsProvider?: () => Awaitable<Record<string, string>>,
-	iconCustomizer?: IconCustomizer,
+	iconCustomizer?: IconCustomizer
 ): Promise<string> {
-	const props: Record<string, string> = await propsProvider?.() ?? {}
-	await iconCustomizer?.(collection, icon, props)
+	const props: Record<string, string> = (await propsProvider?.()) ?? {};
+	await iconCustomizer?.(collection, icon, props);
 	Object.keys(additionalProps).forEach((p) => {
-		const v = additionalProps[p]
-		if (v !== undefined && v !== null)
-			props[p] = v
-	})
-	const replacement = svg.startsWith('<svg ') ? '<svg ' : '<svg'
-	return svg.replace(replacement, `${replacement}${Object.keys(props).map(p => `${p}="${props[p]}"`).join(' ')}`)
+		const v = additionalProps[p];
+		if (v !== undefined && v !== null) props[p] = v;
+	});
+	const replacement = svg.startsWith('<svg ') ? '<svg ' : '<svg';
+	return svg.replace(
+		replacement,
+		`${replacement}${Object.keys(props)
+			.map((p) => `${p}="${props[p]}"`)
+			.join(' ')}`
+	);
 }
 
 export async function tryInstallPkg(name: string): Promise<void | undefined> {
diff --git a/packages/utils/tests/get-custom-icon-test.ts b/packages/utils/tests/get-custom-icon-test.ts
index 26a5576..f2ae0fe 100644
--- a/packages/utils/tests/get-custom-icon-test.ts
+++ b/packages/utils/tests/get-custom-icon-test.ts
@@ -12,17 +12,11 @@ describe('Testing getCustomIcon', () => {
 
 	test('CustomIconLoader with transform', async () => {
 		const svg = await fs.readFile(fixturesDir + '/circle.svg', 'utf8');
-		const result = await getCustomIcon(
-			() => svg,
-			'a',
-			'b',
-			{
-				transform(icon) {
-					return icon.replace('<svg ', '<svg width="1em" height="1em" ');
-				}
-			}
-
-		);
+		const result = await getCustomIcon(() => svg, 'a', 'b', {
+			transform(icon) {
+				return icon.replace('<svg ', '<svg width="1em" height="1em" ');
+			},
+		});
 		expect(result && result.indexOf('width="1em"') > -1).toBeTruthy();
 		expect(result && result.indexOf('height="1em"') > -1).toBeTruthy();
 	});