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- const TAB_KEYS = ['nav.home', 'nav.ai', 'nav.message', 'nav.mine']
- /** 与 pages.json tabBar.list[].pagePath 一致(无开头 /) */
- const TAB_PAGE_PATHS = new Set([
- 'pages/home/index',
- 'pages/ai/index',
- 'pages/message/index',
- 'pages/mine/index'
- ])
- /** 运行时会改 TabBar 的 uni API(非 Tab 页调用会报 not TabBar page) */
- const TABBAR_API_NAMES = [
- 'setTabBarStyle',
- 'setTabBarItem',
- 'setTabBarBadge',
- 'removeTabBarBadge',
- 'showTabBarRedDot',
- 'hideTabBarRedDot',
- 'showTabBar',
- 'hideTabBar',
- 'setTabBarMidButton'
- ]
- function normalizePageRoute(route) {
- if (!route) {
- return ''
- }
- let r = String(route).replace(/^\//, '')
- const prefixes = ['bqH5/', 'bqjy/']
- for (const prefix of prefixes) {
- if (r.startsWith(prefix)) {
- r = r.slice(prefix.length)
- }
- }
- return r
- }
- /**
- * 当前栈顶是否为原生 TabBar 页
- */
- export function isTabBarPage() {
- const stack = getCurrentPages()
- if (!stack.length) {
- return false
- }
- const cur = stack[stack.length - 1]
- const route = normalizePageRoute(cur.route || '')
- return TAB_PAGE_PATHS.has(route)
- }
- function installTabBarApiGuard() {
- if (typeof uni === 'undefined' || !uni.addInterceptor) {
- return
- }
- TABBAR_API_NAMES.forEach((name) => {
- if (typeof uni[name] !== 'function') {
- return
- }
- uni.addInterceptor(name, {
- invoke() {
- if (!isTabBarPage()) {
- return false
- }
- }
- })
- })
- }
- installTabBarApiGuard()
- /**
- * 原生 tabBar 的 text 不能写进 pages.json 的 i18n,需在运行时按当前语言更新(仅 Tab 页)
- * @param {(key: string) => string} t 如 (k) => this.$t(k)
- */
- export function syncTabBarText(t) {
- if (!isTabBarPage()) {
- return
- }
- TAB_KEYS.forEach((key, index) => {
- const p = uni.setTabBarItem({
- index,
- text: t(key),
- fail() {}
- })
- if (p && typeof p.catch === 'function') {
- p.catch(() => {})
- }
- })
- }
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