Optimize base64 storage in files to support concurrent storage (#2856)

* fix: variables check

* remove log

* perf: file img saved

* update doc

packages/global/common/fn/utils.ts

@@ -8,3 +8,24 @@ export const retryRun = <T>(fn: () => T, retry = 2): T => {
     throw error;
   }
 };
+
+export const batchRun = async <T>(arr: T[], fn: (arr: T) => any, batchSize = 10) => {
+  const batchArr = new Array(batchSize).fill(null);
+  const result: any[] = [];
+
+  const batchFn = async () => {
+    const data = arr.shift();
+    if (data) {
+      result.push(await fn(data));
+      return batchFn();
+    }
+  };
+
+  await Promise.all(
+    batchArr.map(async () => {
+      await batchFn();
+    })
+  );
+
+  return result;
+};