feat:上传到阿里云oss

feat:把以前的图片迁移到阿里云oss

script/migrate-db-files-to-oss/lib/progress.mjs

@@ -0,0 +1,43 @@
+/**
+ * Keep database waits and long scans visible without logging every record.
+ * update() also checks elapsed time when a synchronous loop delays timers.
+ */
+export function createProgress({ log = console.log, intervalMs = 5000, now = Date.now } = {}) {
+  if (!Number.isSafeInteger(intervalMs) || intervalMs < 1) throw new Error('进度输出间隔必须为正整数毫秒');
+  let message = '';
+  let startedAt;
+  let lastOutput;
+  let closed = false;
+
+  function output(force = false) {
+    if (closed || !message) return;
+    const current = now();
+    if (!force && lastOutput !== undefined && current - lastOutput < intervalMs) return;
+    lastOutput = current;
+    const seconds = Math.max(0, Math.floor((current - startedAt) / 1000));
+    log(message + '（已用时 ' + seconds + ' 秒）');
+  }
+
+  const timer = setInterval(() => output(), intervalMs);
+  timer.unref?.();
+
+  return {
+    stage(value) {
+      if (closed) return;
+      message = String(value ?? '').trim();
+      startedAt = now();
+      output(true);
+    },
+    update(value) {
+      if (closed) return;
+      message = String(value ?? '').trim();
+      if (startedAt === undefined) startedAt = now();
+      output();
+    },
+    close() {
+      if (closed) return;
+      closed = true;
+      clearInterval(timer);
+    },
+  };
+}