opdavies/toggle-checkbox.nvim
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feat: make checkbox first on line without checkbox

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phancb 2023-09-11 13:45:57 +08:00 committed by Oliver Davies
parent 856b3d99cd
commit 58f958a2dc
1 changed files with 32 additions and 7 deletions
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39
lua/toggle-checkbox.lua
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@ -3,17 +3,39 @@ local checked_character = "x"
local checked_checkbox = "%[" .. checked_character .. "%]" local checked_checkbox = "%[" .. checked_character .. "%]"
local unchecked_checkbox = "%[ %]" local unchecked_checkbox = "%[ %]"
local line_contains_an_unchecked_checkbox = function(line) local line_contains_unchecked = function(line)
return string.find(line, unchecked_checkbox) return line:find(unchecked_checkbox)
end
local line_contains_checked = function(line)
return line:find(checked_checkbox)
end
local line_with_checkbox = function(line)
-- return not line_contains_a_checked_checkbox(line) and not line_contains_an_unchecked_checkbox(line)
return line:find("^%s*- " .. checked_checkbox)
or line:find("^%s*- " .. unchecked_checkbox)
or line:find("^%s*%d%. " .. checked_checkbox)
or line:find("^%s*%d%. " .. unchecked_checkbox)
end end
local checkbox = { local checkbox = {
check = function(line) check = function(line)
return line:gsub(unchecked_checkbox, checked_checkbox) return line:gsub(unchecked_checkbox, checked_checkbox, 1)
end, end,
uncheck = function(line) uncheck = function(line)
return line:gsub(checked_checkbox, unchecked_checkbox) return line:gsub(checked_checkbox, unchecked_checkbox, 1)
end,
make_checkbox = function(line)
if not line:match("^%s*-%s.*$") and not line:match("^%s*%d%s.*$") then
-- "xxx" -> "- [ ] xxx"
return line:gsub("(%S+)", "- [ ] %1", 1)
else
-- "- xxx" -> "- [ ] xxx", "3. xxx" -> "3. [ ] xxx"
return line:gsub("(%s*- )(.*)", "%1[ ] %2", 1):gsub("(%s*%d%. )(.*)", "%1[ ] %2", 1)
end
end, end,
} }
@ -28,9 +50,12 @@ M.toggle = function()
-- If the line contains a checked checkbox then uncheck it. -- If the line contains a checked checkbox then uncheck it.
-- Otherwise, if it contains an unchecked checkbox, check it. -- Otherwise, if it contains an unchecked checkbox, check it.
local new_line = "" local new_line = ""
if line_contains_an_unchecked_checkbox(current_line) then
if not line_with_checkbox(current_line) then
new_line = checkbox.make_checkbox(current_line)
elseif line_contains_unchecked(current_line) then
new_line = checkbox.check(current_line) new_line = checkbox.check(current_line)
else elseif line_contains_checked(current_line) then
new_line = checkbox.uncheck(current_line) new_line = checkbox.uncheck(current_line)
end end
@ -38,6 +63,6 @@ M.toggle = function()
vim.api.nvim_win_set_cursor(0, cursor) vim.api.nvim_win_set_cursor(0, cursor)
end end
vim.api.nvim_create_user_command("ToggleCheckbox", M.toggle, {}); vim.api.nvim_create_user_command("ToggleCheckbox", M.toggle, {})
return M return M