[improvement] rename use to createNamespace (#3658)

packages/uploader/index.js

@@ -1,16 +1,16 @@
-import { use, suffixPx } from '../utils';
+import { createNamespace, suffixPx } from '../utils';
 import { toArray, readFile, isOversize } from './utils';
 import Icon from '../icon';
 import Image from '../image';
 import ImagePreview from '../image-preview';
 
-const [sfc, bem] = use('uploader');
+const [createComponent, bem] = createNamespace('uploader');
 
 function isImageDataUrl(dataUrl) {
   return dataUrl.indexOf('data:image') === 0;
 }
 
-export default sfc({
+export default createComponent({
   inheritAttrs: false,
 
   model: {