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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 = vim.g.dotfiles.textwidth.markdown -- gw wraps at this value
-- There is a bug where folded fenced code blocks will be completely invisible
-- But (apparently) it only happen when there is a # heading (and no ## heading, no ### heading etc)
-- Probably caused by tree-sitter parsing, but it's not really a problem, since adding a ## heading fixes it
-- Just remember this and don't try to fix it again!
vim.opt_local.foldlevel = 1
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.format = true -- See plugin/50-format.lua
local function item_range()
local cursor_row = vim.api.nvim_win_get_cursor(0)[1]
local lines = vim.api.nvim_buf_get_lines(0, 0, -1, false)
-- Walk up to the task bullet. Any other bullet, or a line that's neither
-- blank nor indented, means we're not inside a task item.
local start_row = cursor_row
while start_row >= 1 do
local line = lines[start_row]
if line:match("^%s*%- %[[ Xx]%] ") then
break
end
if line:match("^%s*%- ") then
return nil
end
if not (line:match("^%s*$") or line:match("^%s+%S")) then
return nil
end
start_row = start_row - 1
end
if start_row < 1 then
return nil
end
-- Walk down through continuation paragraphs. Blank lines are inside the
-- item as long as a later line is still indented to the content column.
local bullet_indent = #lines[start_row]:match("^(%s*)")
local cont_min = bullet_indent + 2
local end_row = start_row
for r = start_row + 1, #lines do
local line = lines[r]
if line:match("^%s*$") then
-- blank, keep scanning
elseif line:match("^%s*%- ") then
break
elseif #line:match("^(%s*)") < cont_min then
break
else
end_row = r
end
end
return start_row, end_row
end
local function check_checklist_item()
local start_row, end_row = item_range()
if not (start_row and end_row) then
return
end
local lines = vim.api.nvim_buf_get_lines(0, start_row - 1, end_row, false)
if not lines[1]:match("^%s*%- %[ %] ") then
return
end
for i, line in ipairs(lines) do
if i == 1 then
lines[i] = line:gsub("^(%s*%- )%[ %] (.-)(%s*\\?)$", "%1[X] ~%2~%3", 1)
elseif not line:match("^%s*$") then
lines[i] = line:gsub("^(%s*)(.-)(%s*\\?)$", "%1~%2~%3", 1)
end
end
vim.api.nvim_buf_set_lines(0, start_row - 1, end_row, false, lines)
end
local function uncheck_checklist_item()
local start_row, end_row = item_range()
if not (start_row and end_row) then
return
end
local lines = vim.api.nvim_buf_get_lines(0, start_row - 1, end_row, false)
if not lines[1]:match("^%s*%- %[X%] ") then
return
end
for i, line in ipairs(lines) do
if i == 1 then
lines[i] = line:gsub("%[X%]", "[ ]", 1):gsub("~", "", 2)
elseif not line:match("^%s*$") then
lines[i] = line:gsub("~", "", 2)
end
end
vim.api.nvim_buf_set_lines(0, start_row - 1, end_row, false, lines)
end
vim.api.nvim_buf_create_user_command(0, "MarkdownCheck", check_checklist_item, { desc = "Check checklist item" })
vim.api.nvim_buf_create_user_command(0, "MarkdownUncheck", uncheck_checklist_item, { desc = "Uncheck checklist item" })
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