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markdown preview plugin for (neo)vim
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README.md

Markdown Preview for (Neo)vim

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Introduction

It only works on vim >= 8.1 and neovim

Preview markdown on your modern browser with synchronised scrolling and flexible configuration

Main features:

  • Cross platform (macos/linux/windows)
  • Synchronised scrolling
  • Fast asynchronous updates
  • Katex for typesetting of math
  • Plantuml
  • Mermaid
  • Chart.js
  • Emoji
  • Task lists
  • Local images
  • Flexible configuration

Note it's no need mathjax-support-for-mkdp plugin for typesetting of math

screenshot

install & usage

Install with vim-plug:

" If you don't have nodejs and yarn
" use pre build
Plug 'iamcco/markdown-preview.nvim', { 'do': { -> mkdp#util#install() } }

" If you have nodejs and yarn
Plug 'iamcco/markdown-preview.nvim', { 'do': 'cd app & yarn install'  }

Or install with dein:

call dein#add('iamcco/markdown-preview.nvim', {'on_ft': ['markdown', 'pandoc.markdown', 'rmd'],
					\ 'build': 'cd app & yarn install' })

Config:

" set to 1, nvim will open the preview window after entering the markdown buffer
" default: 0
let g:mkdp_auto_start = 0

" set to 1, the nvim will auto close current preview window when change
" from markdown buffer to another buffer
" default: 1
let g:mkdp_auto_close = 1

" set to 1, the vim will refresh markdown when save the buffer or
" leave from insert mode, default 0 is auto refresh markdown as you edit or
" move the cursor
" default: 0
let g:mkdp_refresh_slow = 0

" set to 1, the MarkdownPreview command can be use for all files,
" by default it can be use in markdown file
" default: 0
let g:mkdp_command_for_global = 0

" set to 1, preview server available to others in your network
" by default, the server listens on localhost (127.0.0.1)
" default: 0
let g:mkdp_open_to_the_world = 0

" use custom IP to open preview page
" useful when you work in remote vim and preview on local browser
" more detail see: https://github.com/iamcco/markdown-preview.nvim/pull/9
" default empty
let g:mkdp_open_ip = ''

" specify browser to open preview page
" default: ''
let g:mkdp_browser = ''

" set to 1, echo preview page url in command line when open preview page
" default is 0
let g:mkdp_echo_preview_url = 0

" a custom vim function name to open preview page
" this function will receive url as param
" default is empty
let g:mkdp_browserfunc = ''

" options for markdown render
" mkit: markdown-it options for render
" katex: katex options for math
" uml: markdown-it-plantuml options
" maid: mermaid options
" disable_sync_scroll: if disable sync scroll, default 0
" sync_scroll_type: 'middle', 'top' or 'relative', default value is 'middle'
"   middle: mean the cursor position alway show at the middle of the preview page
"   top: mean the vim top viewport alway show at the top of the preview page
"   relative: mean the cursor position alway show at the relative positon of the preview page
" hide_yaml_meta: if hide yaml metadata, default is 1
let g:mkdp_preview_options = {
    \ 'mkit': {},
    \ 'katex': {},
    \ 'uml': {},
    \ 'maid': {},
    \ 'disable_sync_scroll': 0,
    \ 'sync_scroll_type': 'middle',
    \ 'hide_yaml_meta': 1
    \ }

" use a custom markdown style must be absolute path
let g:mkdp_markdown_css = ''

" use a custom highlight style must absolute path
let g:mkdp_highlight_css = ''

" use a custom port to start server or random for empty
let g:mkdp_port = ''

" preview page title
" ${name} will be replace with the file name
let g:mkdp_page_title = '「${name}」'

Mappings:

" normal/insert
<Plug>MarkdownPreview
<Plug>MarkdownPreviewStop
<Plug>MarkdownPreviewToggle

" example
nmap <C-s> <Plug>MarkdownPreview
nmap <M-s> <Plug>MarkdownPreviewStop
nmap <C-p> <Plug>MarkdownPreviewToggle

Commands:

" Start the preview
:MarkdownPreview

" Stop the preview"
:MarkdownPreviewStop

FAQ

Question: Why is the synchronised scrolling lagging?

Answer: set updatetime to a small number, for instance: set updatetime=100

About vim support

Vim support is powered by vim-node-rpc

This plugin is integrated with vim-node-rpc, therefore you don't need to install vim-node-rpc

Reference

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