word discover autoSelect!
// ==UserScript==
// @name wordSelect
// @namespace http://tampermonkey.net/
// @version 0.0.1
// @description word discover autoSelect!
// @author @bpking
// @match *://*/*
// @grant none
// @run-at document-idle
// @license MIT
// ==/UserScript==
(() => {
'use strict';
const upevt = new MouseEvent('mouseup', {
'view': window,
'bubbles': true,
'cancelable': true
});
const downevt = new MouseEvent('mousedown', {
'view': window,
'bubbles': true,
'cancelable': true
});
const selectWord = () => {
if (document.querySelector('wdautohl-customtag')) {
document.querySelectorAll('wdautohl-customtag').forEach(word => {
word.onmouseover = () => {
const range = document.createRange();
//必须选中单词的前后空格，否则沙拉查词无法获取单词的上下文
if (word.previousSibling) {
range.setStart(word.previousSibling, word.previousSibling.length - 1);
} else {
range.setStart(word, 0);
}
if (word.nextSibling) {
range.setEnd(word.nextSibling, 1);
} else {
range.setEnd(word, word.length);
}
//console.log('range.toString()', range.toString());
window.getSelection().empty();
window.getSelection().addRange(range);
window.dispatchEvent(downevt);
window.dispatchEvent(upevt);
window.dispatchEvent(downevt);
window.dispatchEvent(upevt);
};
});
}
};
const debounce = function (fn, timeout) {
let timer;
return function () {
if (timer) {
clearTimeout(timer);
}
timer = setTimeout(function () {
fn.apply();
}, timeout);
}
}
const observer = new MutationObserver(debounce(selectWord, 1000));
const options = {
'childList': true,
'attributes': true,
'characterData': true,
'subtree': true
}
observer.observe(document.body, options);
})();