98 lines
2.3 KiB
JavaScript
98 lines
2.3 KiB
JavaScript
// frontend/utils/preloadApi/navigate.js
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// 包装 uni.navigateTo / switchTab / reLaunch
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// 跳转前 fire-and-forget 预拉目标页数据，不 await
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import { prefetchFor } from './core'
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/**
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* 从 URL 中解析 query string → params 对象
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* 例：'/pages/foo/bar?id=123&type=hot' → { id: '123', type: 'hot' }
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*/
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function parseQueryParams(url) {
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const idx = url.indexOf('?')
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if (idx === -1) return {}
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const qs = url.substring(idx + 1)
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const params = {}
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// 使用 URLSearchParams（uniapp 环境支持）
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try {
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const usp = new URLSearchParams(qs)
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for (const [k, v] of usp) {
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// URLSearchParams 已自动解码，不需要再 decodeURIComponent
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params[k] = v
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}
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} catch (e) {
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// fallback：手动解析
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for (const pair of qs.split('&')) {
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const eqIdx = pair.indexOf('=')
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if (eqIdx === -1) continue
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const k = decodeURIComponent(pair.substring(0, eqIdx))
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const v = decodeURIComponent(pair.substring(eqIdx + 1))
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if (k) params[k] = v
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}
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}
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return params
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}
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/**
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* 从 URL 中提取目标页路径（去掉 query string）
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*/
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function extractPath(url) {
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const idx = url.indexOf('?')
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return idx === -1 ? url : url.substring(0, idx)
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}
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/**
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* 替代 uni.navigateTo
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* 内部：解析目标页 → 触发预拉（fire-and-forget）→ 立即跳转
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*/
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export function navigateTo(opts) {
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const url = typeof opts === 'string' ? opts : opts.url
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const targetPath = extractPath(url)
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const params = parseQueryParams(url)
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// 触发预拉（fire-and-forget，不 await）
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prefetchFor(targetPath, params)
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// 立即跳转
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if (typeof opts === 'string') {
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uni.navigateTo({ url: opts })
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} else {
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uni.navigateTo(opts)
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}
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}
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/**
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* 替代 uni.switchTab
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*/
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export function switchTab(opts) {
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const url = typeof opts === 'string' ? opts : opts.url
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const targetPath = extractPath(url)
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const params = parseQueryParams(url)
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prefetchFor(targetPath, params)
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if (typeof opts === 'string') {
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uni.switchTab({ url: opts })
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} else {
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uni.switchTab(opts)
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}
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}
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/**
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* 替代 uni.reLaunch
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*/
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export function reLaunch(opts) {
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const url = typeof opts === 'string' ? opts : opts.url
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const targetPath = extractPath(url)
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const params = parseQueryParams(url)
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prefetchFor(targetPath, params)
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if (typeof opts === 'string') {
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uni.reLaunch({ url: opts })
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} else {
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uni.reLaunch(opts)
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}
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}
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