Shortcuts for Google Search result. j/k to move focus, l/h to open in new/background tab.
当前为
// ==UserScript==
// @name HjklNavigation
// @namespace com.gmail.fujifruity.greasemonkey
// @version 1.5.4
// @description Shortcuts for Google Search result. j/k to move focus, l/h to open in new/background tab.
// @author fujifruity
// @include https://www.google.com/search*
// @grant GM.openInTab
// @license MIT
// ==/UserScript==
{
const items = [...document.querySelectorAll('#rso .g')].filter(
e => e.querySelectorAll(':scope > div').length == 1
)
const open = inBackground => {
const url = findCurrentItem().querySelector('a').href
GM.openInTab(url, inBackground)
}
const tag = "hjklNavigationCurrentItem"
const findCurrentItem = () => items.find(e => e.hasAttribute(tag))
const moveCursor = step => {
const currentItem = findCurrentItem()
const r = currentItem.getBoundingClientRect();
const isVisible = 0 < r.top && r.top < window.innerHeight || 0 < r.bottom && r.bottom < window.innerHeight
if (!isVisible) {
const dist = e => {
const r = e.getBoundingClientRect()
return Math.abs(window.innerHeight - (r.top + r.bottom))
}
const nearest = items.reduce((acc,e) => dist(acc) < dist(e) ? acc : e )
select(nearest)
return
}
const nextIdx = (items.indexOf(currentItem) + step + items.length) % items.length
select(items[nextIdx])
}
const highlight = e => {
e.style.backgroundColor = 'WhiteSmoke'
e.setAttribute(tag, '')
}
const select = item => {
// deselect current item
const currentItem = findCurrentItem()
currentItem?.setAttribute('style', "background-color: null;")
currentItem?.removeAttribute(tag)
highlight(item)
item.scrollIntoView({ behavior: "smooth", block: "center" })
}
highlight(items[0])
window.addEventListener('keydown', event => {
if (event.target.tagName == "INPUT" || event.ctrlKey || event.altKey) return
switch (event.key) {
case 'j': {
moveCursor(+1)
break
}
case 'k': {
moveCursor(-1)
break
}
case 'l': {
open(false)
break
}
case 'h': {
open(true)
break
}
}
})
}