Move loadExternalResource to utils.ts

Author: stevenjoezhang

src/message.ts

@@ -3,7 +3,7 @@
  * @module message
  */
 
-import randomSelection from './utils.js';
+import { randomSelection } from './utils.js';
 
 let messageTimer: NodeJS.Timeout | null = null;
 

src/model.ts

@@ -4,7 +4,7 @@
  */
 
 import showMessage from './message.js';
-import randomSelection from './utils.js';
+import { randomSelection } from './utils.js';
 import Model from './live2d/index.js';
 import logger from './logger.js';
 

src/utils.ts

@@ -12,4 +12,30 @@ function randomSelection(obj: any) {
   return Array.isArray(obj) ? obj[Math.floor(Math.random() * obj.length)] : obj;
 }
 
-export default randomSelection;
+/**
+ * 异步加载外部资源。
+ * @param {string} url - 资源路径。
+ * @param {string} type - 资源类型。
+ */
+function loadExternalResource(url: string, type: string): Promise<string> {
+  return new Promise((resolve: any, reject: any) => {
+    let tag;
+
+    if (type === 'css') {
+      tag = document.createElement('link');
+      tag.rel = 'stylesheet';
+      tag.href = url;
+    }
+    else if (type === 'js') {
+      tag = document.createElement('script');
+      tag.src = url;
+    }
+    if (tag) {
+      tag.onload = () => resolve(url);
+      tag.onerror = () => reject(url);
+      document.head.appendChild(tag);
+    }
+  });
+}
+
+export { randomSelection, loadExternalResource };

src/widget.ts

@@ -5,7 +5,7 @@
 
 import ModelManager from './model.js';
 import showMessage from './message.js';
-import randomSelection from './utils.js';
+import { randomSelection } from './utils.js';
 import tools from './tools.js';
 import logger from './logger.js';
 import registerDrag from './drag.js';
@@ -237,30 +237,5 @@ function initWidget(config: string | Config, apiPath?: string) {
   }
 }
 
-/**
- * 异步加载外部资源。
- * @param {string} url - 资源路径。
- * @param {string} type - 资源类型。
- */
-function loadExternalResource(url: string, type: string): Promise<string> {
-  return new Promise((resolve: any, reject: any) => {
-    let tag;
-
-    if (type === 'css') {
-      tag = document.createElement('link');
-      tag.rel = 'stylesheet';
-      tag.href = url;
-    }
-    else if (type === 'js') {
-      tag = document.createElement('script');
-      tag.src = url;
-    }
-    if (tag) {
-      tag.onload = () => resolve(url);
-      tag.onerror = () => reject(url);
-      document.head.appendChild(tag);
-    }
-  });
-}
-
-export { initWidget, loadExternalResource };
+export { initWidget };
+export { loadExternalResource } from './utils.js';