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scripts/bump-build-id.mjs

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+/**
+ * 生产 11 位构建号：YYYYMMDD（8）+ 当日第几次构建（3 位 001~999）
+ * 状态存 build/build-sequence.json，结果写 src/config/buildId.json
+ * 在 npm prebuild 时执行（仅正式 vite build 前，dev 不跑）
+ */
+import fs from 'node:fs'
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
+const root = path.resolve(__dirname, '..')
+const statePath = path.join(root, 'build', 'build-sequence.json')
+const outPath = path.join(root, 'src', 'config', 'buildId.json')
+
+const now = new Date()
+const y = now.getFullYear()
+const m = String(now.getMonth() + 1).padStart(2, '0')
+const d = String(now.getDate()).padStart(2, '0')
+const ymd8 = `${y}${m}${d}`
+const todayKey = `${y}-${m}-${d}`
+
+let state = { date: todayKey, daySeq: 0 }
+if (fs.existsSync(statePath)) {
+  try {
+    const prev = JSON.parse(fs.readFileSync(statePath, 'utf8'))
+    if (prev && typeof prev === 'object') {
+      state.date = prev.date || todayKey
+      state.daySeq = Number.isFinite(prev.daySeq) ? prev.daySeq : 0
+    }
+  } catch { /* 忽略损坏文件 */ }
+}
+
+if (state.date === todayKey) {
+  state.daySeq = (state.daySeq || 0) + 1
+} else {
+  state.date = todayKey
+  state.daySeq = 1
+}
+if (state.daySeq > 999) {
+  console.warn('[bump-build-id] 当日构建已超过 999 次，已钳位为 999')
+  state.daySeq = 999
+}
+
+const buildId = `${ymd8}${String(state.daySeq).padStart(3, '0')}`
+
+fs.mkdirSync(path.dirname(statePath), { recursive: true })
+fs.writeFileSync(statePath, JSON.stringify(state, null, 2), 'utf8')
+fs.mkdirSync(path.dirname(outPath), { recursive: true })
+fs.writeFileSync(
+  outPath,
+  JSON.stringify(
+    { buildId, generatedAt: new Date().toISOString() },
+    null,
+    2,
+  ),
+  'utf8',
+)
+console.log(`[bump-build-id] buildId=${buildId}`)