为北邮人论坛发帖添加个性签名
/* eslint-env greasemonkey, browser */
// ==UserScript==
// @name byr-signature
// @namespace weibo.com/flowmemo
// @version 0.2.1
// @description 为北邮人论坛发帖添加个性签名
// @author flowmemo
// @match *://bbs.byr.cn/*
// @match *://bbs6.byr.cn/*
// @grant GM_getValue
// @grant GM_setValue
// @license MIT
// @supportURL https://github.com/flowmemo/byr-signature
// ==/UserScript==
; (function () {
'use strict'
const _DEBUG = false
const log = (function () {
if (_DEBUG) return console.log.bind(console)
else return Function.prototype
})()
log('init')
const added = new WeakSet()
const defaultSig =
`————
示例签名: 微博 [url=http://weibo.com/flowmemo][color=#0000FF]@flowmemo[/color][/url] , 现在主要写JavaScript. 关注广泛, 欢迎交流.
修改签名请到[url=https://bbs.byr.cn/#!article/WWWTechnology/post][color=#0000FF]这里[/color][/url]
[url=https://github.com/flowmemo/byr-signature][color=#0000FF]此签名通过「北邮人签名档」脚本发送[/color][/url]`
function getUsername () {
const user = document.querySelector('.u-login-id a')
if (!user) {
log('cannot find username')
return false
}
const username = user.title
return username
}
function getSig () {
const username = getUsername()
if (!username) return false
const signature = GM_getValue('sig-' + username, defaultSig)
return signature
}
function addPostSig () {
log('addPostSig')
const div = document.getElementById('post_content')
if (!div || added.has(div)) return false
added.add(div)
div.value += '\n' + getSig()
addSigPanel()
return true
}
function addQuickSig () {
log('addQuickSig')
const div = document.getElementsByName('content')[0]
if (!div || added.has(div)) return false
added.add(div)
div.value += '\n' + getSig()
log('add value')
return true
}
function addSigPanel () {
log('sigPanel')
const div = document.createElement('div')
const postItems = document.getElementsByClassName('post-list-item')
const referNode = postItems[postItems.length - 2]
referNode.appendChild(div)
div.outerHTML =
`<br><br><div>
<div class="post-m">byr-signature自定义签名</div>
<div class="byr-signature" style="border:1px solid #c9d7f1;padding:5px;width:680px">
<textarea class="post-textarea" name="sig-content" placeholder="在此输入你的签名"></textarea><br>
</div><p><input name="saveSig" type="button" value="保存"> 保存后刷新页面生效（注意保存你的发帖内容） </p></div>`
const userSig = document.getElementsByName('sig-content')[0]
userSig.value = getSig()
const saveButton = document.getElementsByName('saveSig')[0]
const username = getUsername()
if (!username) return false
saveButton.addEventListener('click', function () {
log('save')
log('username', username)
GM_setValue('sig-' + username, userSig.value)
})
}
function onPageChange () {
log('onPageChange')
const URL = window.location.href
if (URL.indexOf('#!article') === -1 || URL.indexOf('edit') > -1) return
if (window.location.href.match(/post/)) {
log(addPostSig())
} else log(addQuickSig())
}
onPageChange()
const observer = new MutationObserver(onPageChange)
observer.observe(document.body, {childList: true, subtree: true})
})()