Vim .html.erb 的奇怪缩进

发布于 2024-12-03 04:18:39 字数 413 浏览 1 评论 0原文

我正在输入 .html.erb 文件，我意识到 vim 缩进的这种奇怪行为。

<p>
  <strong>Expires On:</strong>
  <%= @item.expires_on %>
</p>

当我在

之后按 Enter 时，为什么会发生这种情况？

<p>
  <strong>Expires On:</strong>
  <%= @item.expires_on %>
  </p>
  _ <= new cursor space

请注意，我确实有文件类型缩进。

原文

I am typing in my .html.erb file and I realize this weird behaviour of vim indentation.

<p>
  <strong>Expires On:</strong>
  <%= @item.expires_on %>
</p>

How come when I press enter after  this happens?

<p>
  <strong>Expires On:</strong>
  <%= @item.expires_on %>
  </p>
  _ <= new cursor space

Note that I do have filetype indent on.

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风启觞 2024-12-10 04:18:39

Vim 的默认 html 缩进不会缩进

标签。这意味着，它不仅不会在

之后删除缩进级别，而且也可能不会在打开

之后自动添加缩进级别;。如果是这种情况，您可以通过设置变量 g:html_indent_tags 来更改此行为。它应该包含与标签名称匹配的正则表达式。例如：

let g:html_indent_tags = 'p\|li\|nav'

这将为 p、li 和 nav 标记添加缩进级别。如果您只需要

标签，只需将其设置为“p”：

let g:html_indent_tags = 'p'

如果 vim 确实正在缩进初始

，那么您的 indentkeys 选项可能不包含“>”特点。您可以通过执行set indentkeys来检查其内容。如果它不包含 <>>，您可以将其添加到 .vim/ftplugin/html.vim 中：

setlocal indentkeys+=<<>

编辑：

不幸的是，vim 似乎取消了该变量...这对我来说根本没有意义，但你可以做的一件事就是将该变量赋值添加到 .vim/after/ftplugin/html.vim 相反。这应该可以解决问题。就我个人而言，我做了一些不同的事情——我将默认文件复制到 .vim/indent/html.vim 并注释掉删除变量的行。尽管如此，使用 after 目录可能是一个更好的主意。

编辑：

html5 插件似乎不受此问题的影响。直接安装它可能是个好主意。否则，g:html_indent_tags 变量仍然是可以去的地方，但最好的位置可能是 ~/.vim/after/indent/html.vim

let g:html_indent_tags .= '\|p\|nav\|othertags'

：使用 .= 而不是 =。这是就地串联。您需要它，因为此时该变量已经存在并且您不想删除它。

Vim's default html indentation doesn't indent  tags. This means that, not only would it not remove a level of indent after , but it also probably doesn't add a level of indent automatically after the opening . If that's the case, you can change this behaviour by setting the variable g:html_indent_tags. It should contain a regular expression that matches the tag's name. For example:

let g:html_indent_tags = 'p\|li\|nav'

This will add a level of indent for the p, li and nav tags. If you want the  tags only, just set it to "p":

let g:html_indent_tags = 'p'

If vim really is indenting the initial , then it's possible that your indentkeys option doesn't contain the ">" character. You can check its contents by executing set indentkeys. If it doesn't contain <>>, you could add it in .vim/ftplugin/html.vim:

setlocal indentkeys+=<<>

EDIT:

Unfortunately, vim seems to unlet that variable... This doesn't make sense to me at all, but one thing you could do is add that variable assignment to .vim/after/ftplugin/html.vim instead. This should do the trick. Personally, I've done something different -- I've copied the default file to .vim/indent/html.vim and commented out the lines that remove the variable. Still, using the after directory is probably a better idea.

EDIT:

The html5 plugin seems not to suffer from this issue. It could be a good idea to just install that instead. Otherwise, the g:html_indent_tags variable is still the place to go, but the best place for it is probably ~/.vim/after/indent/html.vim:

let g:html_indent_tags .= '\|p\|nav\|othertags'

Note the usage of .= instead of =. This is in-place concatenation. You need it, since the variable already exists at this point and you don't want to delete it.

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