db-lgtv-focus-engine/event/hashchange.js

the Best TV focus engine

export function bindHashListener(focus_engine) {
    window.onhashchange = function (event) {
        let callback = () => {
            if (!focus_engine.options.ROUTER_CACHE) delete(focus_engine.focused_map[window.location.href])
            window.cancelAnimationFrame(focus_engine.animation_id)
            window.$engine.is_smooth_scrolling = false
            let leaf = focus_engine.findFocusedLeaf()
            if (!leaf || !leaf.el) return
            if (leaf.block !== 'none' && leaf.inline !== 'none') {
                setTimeout(() => {
                    leaf.el.scrollIntoView({
                        behavior: 'instant',
                        block: leaf.block || "center",
                        inline: leaf.inline || "center",
                        msg: '瞬移初始化焦点位置'
                    })
                })
            }
        }
        window.$engine.$nextTick(() => {
            callback()
        })
        callback()
    }
}

export function unbindHashListener(focus_engine) {
    window.onhashchange = (e) => {}
}