feat: add views

apps/web-tdesign/src/components/upload/helper.ts

@@ -0,0 +1,20 @@
+/**
+ * 默认图片类型
+ */
+export const defaultImageAccepts = ['jpg', 'jpeg', 'png', 'gif', 'webp'];
+
+export function checkFileType(file: File, accepts: string[]) {
+  if (!accepts || accepts.length === 0) {
+    return true;
+  }
+  const newTypes = accepts.join('|');
+  const reg = new RegExp(`${String.raw`\.(` + newTypes})$`, 'i');
+  return reg.test(file.name);
+}
+
+export function checkImgType(
+  file: File,
+  accepts: string[] = defaultImageAccepts,
+) {
+  return checkFileType(file, accepts);
+}