41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
// frontend/utils/preloadApi/scheduler.js
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// 调度器：启动期预热 + idle 预拉
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// 依赖 core.js 的 run()
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import { run } from './core'
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// App 端 fallback：没有 requestIdleCallback，用 setTimeout
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const idle =
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typeof requestIdleCallback === 'function'
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? requestIdleCallback
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: (cb) => setTimeout(() => cb({ didTimeout: false, timeRemaining: () => 50 }), 0)
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/**
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* 启动期预热
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* @param {Array} startupList - config.startup 数组
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*/
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export function warmStartup(startupList) {
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if (!startupList || !Array.isArray(startupList)) return
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console.log('[preload] warmStartup:', startupList.length, 'keys')
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for (const entry of startupList) {
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// fire-and-forget：不 await，并发由 core 内部 semaphore 控制
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run(entry.key, entry.params)
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}
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}
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/**
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* idle 预拉（幂等：run 内部处理去重和缓存命中）
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* @param {Array} idleList - config.idle 数组
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*/
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export function warmIdle(idleList) {
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if (!idleList || !Array.isArray(idleList)) return
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idle(() => {
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console.log('[preload] warmIdle:', idleList.length, 'keys')
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for (const entry of idleList) {
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run(entry.key, entry.params)
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}
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})
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}
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