vim-markdown-folding


Ⅰ. 插件描述

Fold markdown documents by section.

Ⅱ. 基本信息

创建日期:  2012-10-10
使用用户:  343
Github星:  177
插件作者:  masukomi (a.k.a. Kay Rhodes)

Ⅲ. 安装方法

使用Vundle管理器安装

在你的.vimrc下添加:
Plugin 'nelstrom/vim-markdown-folding'
… 然后在Vim中运行以下命令:
:source %
:PluginInstall

对于Vundle版本 < 0.10.2,请用上面的Bundle替换Plugin。

使用NeoBundle管理器安装

在你的.vimrc下添加:
NeoBundle 'nelstrom/vim-markdown-folding'
… 然后在Vim中运行以下命令:
:source %
:NeoBundleInstall

使用VimPlug管理器安装

在你的.vimrc下添加:
Plug 'nelstrom/vim-markdown-folding'
… 然后在Vim中运行以下命令:
:source %
:PlugInstall

使用Pathogen管理器安装

在终端中运行以下命令:
cd ~/.vim/bundle
git clone https://github.com/nelstrom/vim-markdown-folding

Ⅳ. 文档说明

This plugin enables folding by section headings in markdown documents.

Features

This plugin adds the ability to fold the following markdown elements:

  • Headings and everything under them
  • Fenced code blocks

example screenshot of folding functionality

Usage

By default this plugin will use "Stacked" folding which looks like this when
everything is folded.

  1 ##    Topmost heading                         [3 lines]---------------------------
  5 ###   Second level heading                    [3 lines]---------------------------
  9 ####  Third level heading                     [3 lines]---------------------------
 13 ####  Another third level heading             [2 lines]---------------------------

You can use "Nested" folding, where folding the "Topmost heading"
will also nest all the deeper sections under it.

  1 ##    Topmost heading                         [14 lines]--------------------------

To toggle between the two folding styles use :FoldToggle

If you'd like to have it default to "Nested" folding add this to your ~/.vim/filetype.vim

autocmd FileType markdown set foldexpr=NestedMarkdownFolds()

Installation

After installing markdown-folding using a Vim package manager ( vim-plug, pathogen, Vundle, or Vim 8's native plugin system ). You will need to add the following lines to your ~/.vimrc file or ~/.config/nvim/init.vim for NeoVim:

    set nocompatible
    if has("autocmd")
      filetype plugin indent on
    endif

The markdown-folding plugin provides nothing more than a foldexpr for markdown files. If you want syntax highlighting and other niceties, then go and get tpope's [vim-markdown][] plugin.

Troubleshooting

First, Vim must recognize the file you are in as a Markdown file. set filetype?
should return filetype=markdown. If it doesn't you may want to tweak your
filetype.vim to make sure it knows to associate your current file extension
with Markdown. In the short term you can :set filetype=markdown

There are a variety of ways Vim can be instructed to "fold" things. When you add
a plugin to support a new language / format the plugin will tell Vim "Hey here's
the method to use for figuring out the start and end of a fold with this language".
This plugin uses a foldmethod of
expr. Running :set foldmethod? should return
foldmethod=expr. If you see something else then you've likely got some other
Vim configuration overriding the setting in the plugin. If, after running
:set foldmethod=expr, things still aren't working, then something is most likely
amiss in your ~/.vimrc (or ~/.config/nvim/init.vim if you use NeoVim).

Contributing

PRs are always a welcome thing, but it should be noted that the current intent is to keep this plugin pretty focused on folding Markdown.

All new PRs should include tests. If you're fixing a bug please add a test to make sure it never comes back. If you're adding a new feature please add tests to make sure we never break it with future changes.

The tests are currently all contained in t/folding.vim

Running Tests

The test setup requires Ruby. For those unfamiliar with Ruby development you'll want to cd into the vim-markdown-folding directory and run the following commands in the terminal.

Install bundler if you don't have it already.

gem install bundler

Tell bundler to install the required dependencies

bundle install

Tell bundler to run the tests

bundle exec rake test

The end of the output should look something like this

t/folding.vim .. ok
All tests successful.
Files=1, Tests=41,  1 wallclock secs ( 0.03 usr  0.01 sys +  0.57 cusr  0.12 csys =  0.73 CPU)
Result: PASS

License

Created by Drew Neil. Copyright Drew Niel and all the contributors.
Distributed under the same terms as Vim itself. See :help license.

With community improvements by:

Maintained by masukomi

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