refactor: replace deprecated String.prototype.substr() (#34498)

String.prototype.substr() is deprecated (see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/substr) so we replace it with functions which aren't.
Signed-off-by: Tobias Speicher <rootcommander@gmail.com>

components/_util/getDataOrAriaProps.ts

@@ -1,8 +1,8 @@
 export default function getDataOrAriaProps(props: any) {
   return Object.keys(props).reduce((prev: any, key: string) => {
     if (
-      (key.substr(0, 5) === 'data-' || key.substr(0, 5) === 'aria-' || key === 'role') &&
-      key.substr(0, 7) !== 'data-__'
+      (key.startsWith('data-') || key.startsWith('aria-') || key === 'role') &&
+      !key.startsWith('data-__')
     ) {
       prev[key] = props[key];
     }

components/tree/demo/search.md

@@ -110,8 +110,8 @@ class SearchTree extends React.Component {
     const loop = data =>
       data.map(item => {
         const index = item.title.indexOf(searchValue);
-        const beforeStr = item.title.substr(0, index);
-        const afterStr = item.title.substr(index + searchValue.length);
+        const beforeStr = item.title.substring(0, index);
+        const afterStr = item.title.slice(index + searchValue.length);
         const title =
           index > -1 ? (
             <span>

components/upload/demo/file-type.md

@@ -102,7 +102,7 @@ class PicturesWall extends React.Component {
         icon = <LoadingOutlined />; // or icon = 'uploading...';
       } else {
         fileSufIconList.forEach(item => {
-          if (item.suf.includes(file.name.substr(file.name.lastIndexOf('.')))) {
+          if (item.suf.includes(file.name.slice(file.name.lastIndexOf('.')))) {
             icon = item.type;
           }
         });

site/theme/template/Layout/Header/index.tsx

@@ -192,7 +192,7 @@ class Header extends React.Component<HeaderProps, HeaderState> {
       location: { pathname, query },
     } = this.props;
     const currentProtocol = `${window.location.protocol}//`;
-    const currentHref = window.location.href.substr(currentProtocol.length);
+    const currentHref = window.location.href.slice(currentProtocol.length);
 
     if (utils.isLocalStorageNameSupported()) {
       localStorage.setItem('locale', utils.isZhCN(pathname) ? 'en-US' : 'zh-CN');