Your brain is strange and strong, interesting.
// ==UserScript==
// @name Shuffle Douban iSay
// @namespace https://www.douban.com/people/MoNoMilky/
// @version 0.2.1
// @description Your brain is strange and strong, interesting.
// @author Bambooom
// @match https://*.douban.com/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
// post a status
var btnContainer = document.querySelector('#db-isay .btn');
if (btnContainer) {
let submitBtn = document.querySelector('#db-isay .btn .bn-submit');
let reorderBtn = document.createElement('span');
btnContainer.insertBefore(reorderBtn, submitBtn);
reorderBtn.classList.add('bn-flat');
reorderBtn.textContent = '乱序';
reorderBtn.style.cssText = 'padding: 4px 6px; margin-right: 4px; cursor: pointer';
reorderBtn.onclick = btnClick('#db-isay textarea');
}
// reply a comment to a status
var commentContainer = document.querySelector('.comment-editor .form-foot-item:last-child');
if (commentContainer) {
var commentSubmitBtn = document.querySelector('.comment-editor .comment-form-btn');
var reorderBtn2 = document.createElement('button');
commentContainer.insertBefore(reorderBtn2, commentSubmitBtn);
reorderBtn2.textContent = '乱序';
reorderBtn2.type = 'button';
reorderBtn2.style.cssText = 'height: 30px;line-height: 28px;padding: 0;width: 66px;border-radius: 3px;'
+ 'cursor: pointer;outline: none;border: 1px solid #c0c0c0;margin-right: 10px;';
reorderBtn2.onclick = btnClick('#comments textarea.form-area', true);
}
// reshare with comments
var reshareBtns = document.querySelectorAll('.btn-reshare');
for (let i = 0; i < reshareBtns.length; i++) {
reshareBtns[i].addEventListener('click', function() {
let timerId = setInterval(() => {
if (document.querySelector('.reshare-form')) {
var reshareFooter = document.querySelector('.reshare-form .reshare-footer');
var reshareSubmit = document.querySelector('.reshare-form .reshare-footer .reshare-btn');
var reorderBtn3 = document.createElement('button');
reshareFooter.insertBefore(reorderBtn3, reshareSubmit);
reorderBtn3.textContent = '乱序';
reorderBtn3.type = 'button';
reorderBtn3.style.cssText = 'width: 5em; height: 30px; ling-height: 30px; text-align: center;'
+ 'vertical-align: middle; border: none; margin-right: 10px; border-radius: 3px;cursor: pointer;';
reorderBtn3.onclick = btnClick('.reshare-form textarea');
clearInterval(timerId);
}
}, 100);
});
}
function btnClick(selector, isReply = false) {
return function() {
let textArea = document.querySelector(selector);
let sourceText = textArea.value;
let shuffledText = sentencize(sourceText);
textArea.value = shuffledText;
textArea.textContent = shuffledText;
if (isReply) {
textArea.defaultValue = shuffledText;
let e = new Event('input', { bubbles: true});
e.simulated = true;
let tracker = textArea._valueTracker;
if (tracker) {
tracker.stopTracking(); // seems React's related thing, https://github.com/facebook/react/issues/11488#issuecomment-347775628
}
textArea.dispatchEvent(e);
}
};
}
function tokenize(txt) {
let tokenList = [], token = '';
for (let i = 0; i < txt.length; i++) {
let char = txt[i];
if (/[a-zA-Z0-9]/.test(char)) {
token += char;
} else {
if (token !== '') {
tokenList.push(token);
token = '';
}
tokenList.push(char);
}
}
if (token !== '') {
tokenList.push(token);
}
return tokenList;
}
function choose(choices) {
var index = Math.floor(Math.random() * choices.length);
return choices[index];
}
function shuffle(a) {
var j, x, i;
for (i = a.length - 1; i > 0; i--) {
j = Math.floor(Math.random() * (i + 1));
x = a[i];
a[i] = a[j];
a[j] = x;
}
return a;
}
function reorder(tokenList) {
let nGrams = [2, 3], i = 0, reordered = [];
while (i < tokenList.length) {
let nGram = choose(nGrams);
let j = Math.min(i + nGram, tokenList.length);
nGram = tokenList.slice(i, j);
reordered = reordered.concat(shuffle(nGram));
i = j;
}
return reordered;
}
function sentencize(text) {
let result = [];
let part = '';
for(let i = 0; i < text.length; i++) {
let char = text[i];
if (/[，,。：:;；?？\.\s]/.test(char)) {
result = result.concat(reorder(tokenize(part)));
result.push(char);
part = '';
} else {
part += char;
}
}
if (part !== '') {
result = result.concat(reorder(tokenize(part)));
}
return result.join('');
}
})();