总结

2022 年 4 月 12 日更新：

目前重制版的水源助手已经与原始版本完成合并，现在就是一个版本了，大家可以直接继续使用原版地址上的脚本：

之前从重制版本地址安装脚本的用户，应该是会被 Greasy Fork 自动重定向到现在合并的原版地址上，可以自行检查一下。

以下为 2022 年 3 月 25 日原始帖子内容：

为何重制

“水源助手”脚本是无私奉献的 @bluecat 同学创立的作品。最初该脚本用于发帖时使用 QQ 表情，后续加入了在帖子下方贴任意表情、默认展开显示点赞人及贴表情人、反和谐词、去除模糊等等功能。我已经使用“水源助手”脚本很长时间了，这个脚本很大程度上提升了我刷水源的体验。我甚至还折腾出了在手机浏览器上使用这个脚本的方法。截至发帖的此时此刻，“水源助手”脚本总安装量已达 113 次。

然而，长期以来，脚本的贴表情功能中存在的一些小缺陷让人时不时感到不爽，例如：

贴表情人区域不会实时更新，点击一个表情之后就显得不太和谐了。

shuiyuan_retort_non_realtime

点击一条帖子所回复的帖子，再回来，之前帖子下面的贴表情人区域不展开了。

shuiyuan_retort_disappear_after_click_reply

脚本获取每条帖子的贴表情都要向服务器发送一次请求，容易被服务器限流，然后就加载不出来了。

上周我实在忍不住想要解决这些问题。从开源贡献的角度上来说，能够把修改合并进原有的代码是最好的。然而我发现要修改原有的脚本来达成满意的效果已经显得有点困难了，所以狠心重新实现了一版，也便于实现一些其他的改进。我无意取代 bluecat 的“江湖地位”，脚本的鼻祖和主要贡献者仍然是 bluecat。我和 bluecat 以后谁有更多时间来维护脚本是无法确定的。在未来某一天，我可能不再会有时间刷水源，渐渐淡出社区。但从今天的角度来说，我做了这个重制版的脚本，这个脚本也许能够改善其他用户的浏览体验，所以我就把它发布出来，给大家多一个选择。

安装地址：

（重制版本地址已经删去，大家可以直接前往合并的原版地址：水源助手

（沿用 bluecat 的 GPL v3 开源许可证）

Bookmarklet 版本：

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重制版相对原版的变化

各项功能可以独立开启和关闭

这源于此前的讨论：

现在用户可以自由选择关闭自己不喜欢的功能，开启自己想要的功能。如果其中一个功能崩溃了，还能禁用掉这个功能，同时继续正常使用其他功能。比如，基于这一条消息：

水源下次更新之后“水源助手”的显示贴表情人功能极有可能崩溃。这种时候有功能独立开关就很好。

移动端支持

重制版脚本的所有功能在设计时都会考虑移动端支持，尽可能保证电脑端和移动端都能正常工作。如果移动端不便于实现某功能，该功能不会在移动端生效，以防止显示错乱。

贴表情人区域

现在贴表情人区域实时更新，自己新贴的表情和别人新贴的表情都会自动更新。

shuiyuan_retort_realtime

同时修复了上述“点击一条帖子所回复的帖子，再回来，之前帖子下面的贴表情人区域不展开了”的 bug。

服务器接口支持批量查询（这一点也要感谢 bluecat 的提醒），新版脚本每次批量查询不超过 20 条帖子的贴表情，每个主题帖每 300 毫秒最多发起一次查询请求，并有适当的重试机制。这样减小了服务器压力，并使得脚本能够更稳定地加载贴表情人区域。

反和谐词

反和谐词功能由原先的“后台静默进行自动替换”改为给用户显示警告，并提供一键自动反和谐功能。我认为让用户知道和谐词的存在是很有必要的，并且全自动替换的行为并非 100% 的情况下都是用户预期的。如果把“水源助手”本身的代码拿来发帖，而代码又明文包含和谐词的话，自动替换时添加 <b></b> 的行为实际上破坏了代码的语义。让用户手动批准替换是一种更稳妥的行为。

shuiyuan_watched_words_warning

（录屏内容仅供测试，希望大家尽可能使用文明语言交流）

优化 B 站视频 iframe 显示

这一功能的行为和 bluecat 原版相同，但仅在电脑端生效。移动端默认的显示效果已经很合理了，调整 iframe 的大小反而显得不和谐。

发帖时使用 QQ 表情

此功能暂未实现，原因是我本人没有真正使用过这一功能，没有强烈的动机移植过来。当然我也注意到这一功能实际上是“水源助手”的第一个功能，是其最初产生的动机。目前此功能使用率看起来很低，但我不否认它能带来的价值。后续可能考虑加上。

其实 QQ 表情按钮最好放在帖子编辑器而不是右上角，毕竟未在编辑帖子的时候按钮没有意义，而且移动端宽度窄也不方便布局。

其他功能

重制版的其他功能与原版功能一致，样式基本都是照抄 bluecat 的和水源本身的前端。

代码风格差异

我的代码使用现代 JavaScript 特性，并且不使用 jQuery。
只处理新增的和变化的元素，不重复进行扫描，理论上效率更高。代码可能显得更冗长。
每个功能类似于一个小插件，共用框架代码，便于添加新功能。一个功能中的错误通常不会导致其他功能停止工作。
脚本体积缩小。不集成贴表情面板的 HTML 代码，而是只存储有效信息。
可以从水源前端源代码中自动解析和谐词表、全表情列表和默认的贴表情列表，从而可以自动获得这些内容的更新。解析失败时会回退到脚本内置的当前版本的列表。

后续可以考虑加入的新功能

贴表情人区域展开/收起

基于此条反馈，除了已经有的功能独立开关以外，也许还可以对贴表情人区域提供展开/收起功能，可以切换回水源本身的样式。一种简单的样例设计：

这个“展开/收起”放在这里可能有点碍眼，然而我试过在下面工具栏加按钮会和水源本身的前端逻辑冲突导致混乱...

增强版任意贴表情选择框

来源：

从帖子编辑器那里搬来搜索功能
从帖子编辑器那里搬来区段（笑脸与情感/人与身体/动物与自然/...）跳转功能
从帖子编辑器那里搬来肤色选择功能
用户可以自己设置一个常用表情列表，显示在“默认”部分后面

这一部分我尝试过，还有技术困难，目前的贴表情选择框点击任何区域都会导致框被关闭，也就没法输入搜索关键词...

表情风格转换器

对于图片形式的 emoji，Discourse 默认支持 7 种风格的 emoji，但似乎只有管理员才有选择权，每个用户无法选择自己喜欢的表情显示风格。取一个表情进行观察，🐈️ 的链接是 https://shuiyuan.sjtu.edu.cn/images/emoji/google/cat.png?v=10，改成 https://shuiyuan.sjtu.edu.cn/images/emoji/apple/cat.png?v=10 即可获得 Apple 风格的图片 emoji ，以此可以对图片形式的 emoji 进行风格转换。

然而涉及到原生 Unicode 字符形式的 emoji 时，转换可能存在风险：

如果把页面中所有图片形式的 emoji 转换为原生 Unicode 字符，贴表情功能会炸，因为贴表情需要读取 img 元素的 title 属性。
如果把页面中所有原生 Unicode 字符转换为图片形式的 emoji，诸如 `

🐸

` 这样的大号 emoji 显示效果会被破坏。

投票区

“水源助手”QQ 表情功能使用率调查

我不是“水源助手”脚本用户
我是“水源助手”脚本用户，我从未使用过 QQ 表情功能，或者最多只是试着玩过一下
我是“水源助手”脚本用户，我偶尔使用 QQ 表情功能发帖
我是“水源助手”脚本用户，我经常使用 QQ 表情功能发帖

希望添加的功能

把 QQ 表情加上
贴表情人区域展开/收起
贴表情选择框：搜索表情
贴表情选择框：区段跳转
贴表情选择框：肤色选择
贴表情选择框：自定义常用表情列表
表情风格转换器
其他（请回帖说明）

HCWL

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