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local function format()
local view = vim.fn.winsaveview()
local buf_str = table.concat(vim.api.nvim_buf_get_lines(0, 0, -1, false), "\n") .. "\n"
local tempname = vim.fn.tempname()
local tempfile = assert(io.open(tempname, "w"), "Could not open temporary file")
tempfile:write(buf_str)
tempfile:close()
local r_check = vim.system({
"mdformat",
"--number",
"--extensions",
"tables",
"--extensions",
"frontmatter",
"--wrap",
tostring(vim.bo.textwidth),
"--check",
tempname,
}):wait()
if r_check.code == 0 then
return
elseif r_check.code ~= 1 then
vim.notify("mdformat failed (" .. r_check.code .. "):\n" .. r_check.stderr)
end
local r_format = vim.system({
"mdformat",
"--number",
"--extensions",
"tables",
"--extensions",
"frontmatter",
"--wrap",
tostring(vim.bo.textwidth),
tempname,
}):wait()
if r_format.code ~= 0 then
vim.notify("mdformat failed (" .. r_format.code .. "):\n" .. r_format.stderr)
end
local formatted_lines = {}
for line in io.lines(tempname) do
formatted_lines[#formatted_lines + 1] = line
end
os.remove(tempname)
vim.api.nvim_buf_set_lines(0, 0, -1, false, formatted_lines)
vim.fn.winrestview(view)
end
vim.opt_local.tabstop = 2 -- CommonMark expects two spaces for indentation
vim.opt_local.shiftwidth = 0
vim.opt_local.softtabstop = -1
vim.opt_local.expandtab = true -- Change tabs to spaces
-- Nothing in the gutter, except sign columns if necessary
vim.opt_local.number = false
vim.opt_local.relativenumber = false
vim.opt_local.signcolumn = "auto"
vim.opt_local.foldcolumn = "0"
--
vim.opt_local.textwidth = 120 -- gw wraps at this value
vim.opt_local.foldlevel = 1
-- Replace concealed text with a character from `'listchars'`
-- With `'foldmethod'` set to `expr` and `'foldlevel'` set to 2 fenced code blocks are concealed and completely invisible
vim.opt_local.complete = {
"o", -- 'omnifunc'
".", -- current buffer
}
-- Visible link labels
vim.api.nvim_set_hl(0, "@markup.link.label.markdown_inline", { underline = true, update = true })
vim.b.autoformat = true
vim.b.format_func = format
local function check_checklist_item()
local line = vim.api.nvim_get_current_line()
if line:match("^%s*%- %[ %] ") == nil then
return
end
local edited_line = line:gsub("%[ %]", "[X]", 1)
edited_line = edited_line:gsub("^(%s*%- %[X%] )(.*)", "%1~%2~", 1)
local start = vim.api.nvim_win_get_cursor(0)[1] - 1
vim.api.nvim_buf_set_lines(0, start, start + 1, false, { edited_line })
end
local function uncheck_checklist_item()
local line = vim.api.nvim_get_current_line()
if line:match("^%s*%- %[X%] ") == nil then
return
end
local edited_line = line:gsub("%[X%]", "[ ]", 1)
edited_line = edited_line:gsub("~", "", 2)
local start = vim.api.nvim_win_get_cursor(0)[1] - 1
vim.api.nvim_buf_set_lines(0, start, start + 1, false, { edited_line })
end
vim.api.nvim_buf_create_user_command(0, "MarkdownListCheck", check_checklist_item, { desc = "Check checklist item" })
vim.api.nvim_buf_create_user_command(
0,
"MarkdownListUncheck",
uncheck_checklist_item,
{ desc = "Uncheck checklist item" }
)
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