Move reusable string functions to separate file

packages/utils/package.json

@@ -136,6 +136,10 @@
 			"require": "./lib/loader/utils.js",
 			"import": "./lib/loader/utils.mjs"
 		},
+		"./lib/misc/strings": {
+			"require": "./lib/misc/strings.js",
+			"import": "./lib/misc/strings.mjs"
+		},
 		"./lib/svg/build": {
 			"require": "./lib/svg/build.js",
 			"import": "./lib/svg/build.mjs"
@@ -154,8 +158,8 @@
 		"@antfu/utils": "^0.3.0",
 		"@iconify/types": "^1.0.12",
 		"debug": "^4.3.3",
-    "kolorist": "^1.5.0"
-  },
+		"kolorist": "^1.5.0"
+	},
 	"devDependencies": {
 		"@iconify/library-builder": "^1.0.4",
 		"@types/debug": "^4.1.7",

packages/utils/src/index.ts

@@ -45,7 +45,14 @@ export { colorKeywords } from './colors/keywords';
 export { stringToColor, compareColors, colorToString } from './colors/index';
 
 // SVG Icon loader
-export type { CustomIconLoader, CustomCollections, InlineCollection } from './loader/types';
-export { camelize, camelToKebab, pascalize, tryInstallPkg } from './loader/utils';
+export type {
+	CustomIconLoader,
+	CustomCollections,
+	InlineCollection,
+} from './loader/types';
+export { tryInstallPkg } from './loader/utils';
 export { FileSystemIconLoader } from './loader/loaders';
 export { getCustomIcon } from './loader/custom';
+
+// Misc
+export { camelize, camelToKebab, pascalize } from './misc/strings';

packages/utils/src/loader/loaders.ts

@@ -1,19 +1,24 @@
 import type { Awaitable } from '@antfu/utils';
 import { existsSync, promises as fs } from 'fs';
 import type { CustomIconLoader } from './types';
-import { camelize, pascalize } from './utils';
+import { camelize, pascalize } from '../misc/strings';
 
-export function FileSystemIconLoader(dir: string, transform?: (svg: string) => Awaitable<string>): CustomIconLoader {
-	return async(name) => {
+export function FileSystemIconLoader(
+	dir: string,
+	transform?: (svg: string) => Awaitable<string>
+): CustomIconLoader {
+	return async (name) => {
 		const paths = [
 			`${dir}/${name}.svg`,
 			`${dir}/${camelize(name)}.svg`,
-			`${dir}/${pascalize(name)}.svg`
+			`${dir}/${pascalize(name)}.svg`,
 		];
 		for (const path of paths) {
 			if (existsSync(path)) {
 				const svg = await fs.readFile(path, 'utf-8');
-				return typeof transform === 'function' ? await transform(svg) : svg;
+				return typeof transform === 'function'
+					? await transform(svg)
+					: svg;
 			}
 		}
 	};

packages/utils/src/loader/utils.ts

@@ -1,23 +1,6 @@
 import { installPackage } from '@antfu/install-pkg';
 import { sleep } from '@antfu/utils';
-import { cyan, yellow } from 'kolorist'
-
-export function camelize(str: string): string {
-	return str.replace(/-([a-z0-9])/g, g => g[1].toUpperCase());
-}
-
-export function pascalize(str: string): string {
-	const camel = camelize(str);
-	return `${camel[0].toUpperCase()}${camel.slice(1)}`;
-}
-
-export function camelToKebab(key: string): string {
-	const result = key
-		.replace(/:/g, '-')
-		.replace(/([A-Z])/g, ' $1')
-		.trim();
-	return result.split(/\s+/g).join('-').toLowerCase();
-}
+import { cyan, yellow } from 'kolorist';
 
 const warned = new Set<string>();
 
@@ -28,7 +11,6 @@ export function warnOnce(msg: string): void {
 	}
 }
 
-
 let pending: Promise<void> | undefined;
 const tasks: Record<string, Promise<void> | undefined> = {};
 
@@ -39,8 +21,11 @@ export async function tryInstallPkg(name: string): Promise<void | undefined> {
 
 	if (!tasks[name]) {
 		// eslint-disable-next-line no-console
-		console.log(cyan(`Installing ${name}...`))
-		tasks[name] = pending = installPackage(name, { dev: true, preferOffline: true })
+		console.log(cyan(`Installing ${name}...`));
+		tasks[name] = pending = installPackage(name, {
+			dev: true,
+			preferOffline: true,
+		})
 			.then(() => sleep(300))
 			// eslint-disable-next-line
 			.catch((e: any) => {

packages/utils/src/misc/strings.ts

@@ -0,0 +1,25 @@
+/**
+ * Convert string to camelCase
+ */
+export function camelize(str: string): string {
+	return str.replace(/-([a-z0-9])/g, (g) => g[1].toUpperCase());
+}
+
+/**
+ * Convert string to PascaleCase
+ */
+export function pascalize(str: string): string {
+	const camel = camelize(str);
+	return camel.slice(0, 1).toUpperCase() + camel.slice(1);
+}
+
+/**
+ * Convert camelCase string to kebab-case
+ */
+export function camelToKebab(key: string): string {
+	const result = key
+		.replace(/:/g, '-')
+		.replace(/([A-Z])/g, ' $1')
+		.trim();
+	return result.split(/\s+/g).join('-').toLowerCase();
+}