HighlightSelected

Highlight selected text on doubleclick

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name        HighlightSelected
// @namespace	novhna
// @description	Highlight selected text on doubleclick
// @include     *
// @version     0.0.2
// @grant       GM_getValue
// @grant       GM_setValue
// ==/UserScript==

const highlighter = text => `<span 
    class="tmp-highlighted"
    style="background-color: yellow;"
>${text}</span>`
    
const replacer = selected => text => text === selected 
                                      ? highlighter(text) 
                                      : text 
  
const cleaner = () => document
    .querySelectorAll('span.tmp-highlighted')
    .forEach(tag => tag.outerText = tag.innerText)

document.body.addEventListener('dblclick', () => {
    cleaner()
    
	const selected = document.getSelection().toString().trim()
    if (!selected) return false
    
	const page = document.body.innerHTML
	const re = RegExp(`<.+?>|\\b(${selected})\\b`, 'g')
	console.log(`[${selected}]`, re)

    
	const newPage = page.replace(re, replacer(selected))
	document.body.innerHTML = newPage
})