跟随导出效果

scripts/verify-export-timeline.mjs

@@ -0,0 +1,29 @@
+import assert from 'node:assert/strict'
+import { build } from 'esbuild'
+
+const bundled = await build({
+  bundle: true,
+  entryPoints: ['src/editor/exportTimeline.ts'],
+  format: 'esm',
+  platform: 'node',
+  write: false,
+})
+const { prepareTimelineForExport } = await import(
+  `data:text/javascript;base64,${Buffer.from(bundled.outputFiles[0].contents).toString('base64')}`
+)
+
+let recalculated = 0
+const store = {
+  systems: [{ frames: [[{ active: true }]] }],
+  timeline: { playing: false, frame: 17, recorded: true },
+  recalcTotalFrames() { recalculated++ },
+}
+
+prepareTimelineForExport(store)
+assert.equal(store.timeline.playing, true, '导出准备必须在下一次界面刷新前恢复播放')
+assert.equal(store.timeline.frame, 0)
+assert.equal(store.timeline.recorded, false)
+assert.equal(store.systems[0].frames, undefined)
+assert.equal(recalculated, 1)
+
+console.log('导出时间轴校验通过：恢复播放后才会等待首帧录制，避免无跟随补烘焙')