存档：TS 重构前基线（lx 聚合源 = isolated-vm 加载器，签名方案已移除）

musicSdk/mg/pic.js

@@ -0,0 +1,28 @@
+import { httpFetch } from '../request.js'
+import getSongId from './songId.js'
+
+export default {
+  async getPicUrl(songId, tryNum = 0) {
+    let requestObj = httpFetch(`http://music.migu.cn/v3/api/music/audioPlayer/getSongPic?songId=${songId}`, {
+      headers: {
+        Referer: 'http://music.migu.cn/v3/music/player/audio?from=migu',
+      },
+    })
+    requestObj.promise.then(({ body }) => {
+      if (body.returnCode !== '000000') {
+        if (tryNum > 5) return Promise.reject(new Error('图片获取失败'))
+        let tryRequestObj = this.getPic(songId, ++tryNum)
+        requestObj.cancelHttp = tryRequestObj.cancelHttp.bind(tryRequestObj)
+        return tryRequestObj.promise
+      }
+      let url = body.largePic || body.mediumPic || body.smallPic
+      if (!/https?:/.test(url)) url = 'http:' + url
+      return url
+    })
+    return requestObj
+  },
+  async getPic(songInfo) {
+    const songId = await getSongId(songInfo)
+    return this.getPicUrl(songId)
+  },
+}