指定用户，将他的评论屏蔽。
Versão de:
// ==UserScript==
// @name 知乎屏蔽用户评论
// @namespace Shurlormes
// @version 0.1
// @description 指定用户，将他的评论屏蔽。
// @author Shurlormes
// @match *://*.zhihu.com/question/*
// @icon https://static.zhihu.com/heifetz/favicon.ico
// @grant none
// @license GPL-3.0
// ==/UserScript==
(function() {
'use strict';
const BLOCK_BTN_STYLE = 'cursor: pointer;position: relative;width: 36px;height: 20px;font-size: 12px;padding: 2px;background: rgb(241 129 129);text-align: center;border-radius: 36px;left: 5px;color: black;';
const CANCEL_BTN_STYLE = 'cursor: pointer;position: relative;width: 36px;height: 20px;font-size: 12px;padding: 2px;background: rgb(129 200 241);text-align: center;border-radius: 36px;left: 5px;color: black;';
const COMMENT_CONTENT_CLASS = 'CommentContent';
const BTN_GROUP_CLASS = 'shurlormes-btn-group';
const BLOCK_BTN_CLASS = 'shurlormes-block-btn-';
const CANCEL_BTN_CLASS = 'shurlormes-cancel-btn-';
const USER_COMPONENT_CLASS = 'shurlormes-user-component';
const USER_NAME_COMPONENT_CLASS = 'shurlormes-user-name-component';
const BTN_APPENDED_COMPONENT_CLASS = 'shurlormes-btn-appended-component';
const USER_COMMENT_COMPONENT_CLASS = 'shurlormes-user-comment-component';
const HIDE_USER_COMMENT_COMPONENT_CLASS = "shurlormes-hide-user-comment-component-";
const HIDE_CLASS = 'shurlormes-hide';
const ATTR_USER_ID = 'shurlormes-user-id';
const BLOCK_USER_KEY_PREFIX = 'shurlormes-block-user-';
//执行间隔，单位毫秒
const INTERVAL_TIME = 500;
//屏蔽替换文本
const BLOCK_REPLACE_TXT = '[已屏蔽]';
const BLOCK_BTN_TXT = '屏蔽';
const CANCEL_BTN_TXT = '取消';
const TYPE_BLOCK = 0;
const TYPE_CANCEL = 1;
const TYPE_BTN_CLASS = [BLOCK_BTN_CLASS, CANCEL_BTN_CLASS]
let showCancelUserComment = function(cancelUserId) {
let hideComponents = document.getElementsByClassName(HIDE_USER_COMMENT_COMPONENT_CLASS + cancelUserId);
while (hideComponents.length > 0) {
let hideComponent = hideComponents[0];
let commentComponents = hideComponent.parentElement.getElementsByClassName(USER_COMMENT_COMPONENT_CLASS);
if(commentComponents.length > 0) {
commentComponents[0].innerHTML = hideComponent.innerHTML;
commentComponents[0].classList.remove(HIDE_CLASS);
}
hideComponent.remove();
}
}
let hideBlockedUserComment = function() {
let commentComponents = document.querySelectorAll(`.${USER_COMMENT_COMPONENT_CLASS}:not(.${HIDE_CLASS})`)
if(commentComponents.length > 0) {
for (let i = 0; i < commentComponents.length; i++) {
let commentComponent = commentComponents[i];
let userId = commentComponent.getAttribute(ATTR_USER_ID);
let hasBlocked = localStorage.getItem(BLOCK_USER_KEY_PREFIX + userId);
if(hasBlocked && commentComponent.className.indexOf(HIDE_CLASS) === -1) {
let hideComponent = document.createElement('div');
hideComponent.innerHTML = commentComponent.innerHTML;
hideComponent.hidden = true;
hideComponent.className = HIDE_USER_COMMENT_COMPONENT_CLASS + userId;
commentComponent.innerText = BLOCK_REPLACE_TXT;
commentComponent.classList.add(HIDE_CLASS);
commentComponent.parentElement.appendChild(hideComponent);
}
}
}
}
let changeBtn = function(userId, type) {
let btns = document.getElementsByClassName(TYPE_BTN_CLASS[type] + userId);
for (let i = 0; i < btns.length; i++) {
btns[i].hidden = true;
}
let revertBtns = document.getElementsByClassName(TYPE_BTN_CLASS[1 - type] + userId);
for (let i = 0; i < btns.length; i++) {
revertBtns[i].hidden = false;
}
}
let blockBtnClickEvent = function(e) {
e.cancelBubble = true;
e.stopPropagation();
let userId = e.target.getAttribute(ATTR_USER_ID);
localStorage.setItem(BLOCK_USER_KEY_PREFIX + userId, 1);
hideBlockedUserComment();
changeBtn(userId, TYPE_BLOCK);
}
let cancelBtnClickEvent = function(e) {
e.cancelBubble = true;
e.stopPropagation();
let userId = e.target.getAttribute(ATTR_USER_ID);
localStorage.removeItem(BLOCK_USER_KEY_PREFIX + userId);
showCancelUserComment(userId);
changeBtn(userId, TYPE_CANCEL);
}
let markBlockElements = function() {
let commentComponents = document.querySelectorAll(`.${COMMENT_CONTENT_CLASS}:not(.${USER_COMMENT_COMPONENT_CLASS})`)
if(commentComponents.length > 0) {
for (let i = 0; i < commentComponents.length; i++) {
let commentComponent = commentComponents[i];
let userComponent = commentComponent.parentElement;
let userNameComponent = userComponent.getElementsByClassName('Popover')[0].parentElement;
let userHref = userNameComponent.getElementsByTagName('a')[0].getAttribute('href');
let userId = userHref.substr(userHref.lastIndexOf("/") + 1)
userNameComponent.classList.add(USER_NAME_COMPONENT_CLASS);
userNameComponent.setAttribute(ATTR_USER_ID, userId);
userComponent.classList.add(USER_COMPONENT_CLASS);
userComponent.setAttribute(ATTR_USER_ID, userId);
commentComponent.classList.add(USER_COMMENT_COMPONENT_CLASS);
commentComponent.setAttribute(ATTR_USER_ID, userId);
}
}
}
let appendBlockBtn = function() {
let userNameComponents = document.querySelectorAll(`.${USER_NAME_COMPONENT_CLASS}:not(.${BTN_APPENDED_COMPONENT_CLASS})`);
if(userNameComponents.length > 0) {
for (let i = 0; i < userNameComponents.length; i++) {
let userNameComponent = userNameComponents[i];
let userId = userNameComponent.getAttribute(ATTR_USER_ID);
if(userNameComponent.getElementsByClassName(BTN_GROUP_CLASS).length === 0) {
let hasBlocked = localStorage.getItem(BLOCK_USER_KEY_PREFIX + userId);
let blockBtn = document.createElement("span");
blockBtn.setAttribute(ATTR_USER_ID, userId);
blockBtn.classList.add(BTN_GROUP_CLASS)
blockBtn.classList.add(BLOCK_BTN_CLASS + userId)
blockBtn.style = BLOCK_BTN_STYLE;
blockBtn.innerText = BLOCK_BTN_TXT;
blockBtn.onclick = blockBtnClickEvent;
blockBtn.hidden = hasBlocked
let cancelBtn = document.createElement("span");
cancelBtn.setAttribute(ATTR_USER_ID, userId);
cancelBtn.classList.add(BTN_GROUP_CLASS)
cancelBtn.classList.add(CANCEL_BTN_CLASS + userId)
cancelBtn.style = CANCEL_BTN_STYLE;
cancelBtn.innerText = CANCEL_BTN_TXT;
cancelBtn.onclick = cancelBtnClickEvent;
cancelBtn.hidden = !hasBlocked
userNameComponent.appendChild(blockBtn);
userNameComponent.appendChild(cancelBtn);
userNameComponent.classList.add(BTN_APPENDED_COMPONENT_CLASS);
}
}
}
}
let mainEvent = function() {
markBlockElements();
appendBlockBtn();
hideBlockedUserComment();
}
setInterval(mainEvent, INTERVAL_TIME);
})();