feat: word pronunciation supported

src/libs/utils.js

@@ -233,3 +233,16 @@ export const isValidWord = (str) => {
   const regex = /^[a-zA-Z-]+$/;
   return regex.test(str);
 };
+
+/**
+ * blob转为base64
+ * @param {*} blob
+ * @returns
+ */
+export const blobToBase64 = (blob) => {
+  return new Promise((resolve) => {
+    const reader = new FileReader();
+    reader.onloadend = () => resolve(reader.result);
+    reader.readAsDataURL(blob);
+  });
+};