⚡ 优化文件下载逻辑.

orion-visor-ui/src/utils/file.ts

@@ -7,6 +7,22 @@ export function getBase64Data(e: string) {
   return e.substring(e.indexOf(',') + 1);
 }
 
+/**
+ * 读取 blob 内容 返回 promise
+ */
+export function readBlobText(blob: Blob) {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader();
+    reader.onload = event => {
+      resolve(event.target?.result as string);
+    };
+    reader.onerror = err => {
+      reject(err);
+    };
+    reader.readAsText(blob);
+  });
+}
+
 /**
  * 读取文件内容 返回 promise
  */