feat：UI及切换后端为http

backend/src/utils/yauzl.promise.ts

@@ -0,0 +1,52 @@
+import yauzl from "yauzl";
+import Stream from "node:stream"
+
+export interface IentryP extends yauzl.Entry {
+    openReadStream: Promise<Stream.Readable>;
+}
+
+export async function yauzl_promise(buffer: Buffer): Promise<IentryP[]>{
+   const zip = await (new Promise((resolve,reject)=>{
+    yauzl.fromBuffer(buffer,/*{lazyEntries:true},*/ (err, zipfile) => {
+      if (err){
+        reject(err);
+        return;
+      }
+      resolve(zipfile);
+    });
+    return;
+  }) as Promise<yauzl.ZipFile>);
+
+   return new Promise((resolve, reject) => {
+    const entries: IentryP[]= []
+        zip.on("entry", async (entry: yauzl.Entry) => {
+          const _entry = {
+            ...entry,
+            getLastModDate: entry.getLastModDate,
+            isEncrypted: entry.isEncrypted,
+            isCompressed: entry.isCompressed,
+            openReadStream: _openReadStream(zip,entry)
+          }
+          entries.push(_entry)
+          if (zip.entryCount === entries.length){
+              zip.close();
+              resolve(entries);
+          }
+        });
+        zip.on("error",err=>{
+            reject(err);
+        })
+    });
+}
+
+async function _openReadStream(zip:yauzl.ZipFile,entry:yauzl.Entry): Promise<Stream.Readable>{
+    return new Promise((resolve,reject)=>{
+     zip.openReadStream(entry,(err,stream)=>{
+         if (err){
+            reject(err);
+            return;
+         }
+         resolve(stream);
+     })
+    })
+}