prettier-vis.lua

m = {}

m.prettier_command = "npx prettier"
m.prettier_args = " "

function format_prettier()
	local file = vis.win.file

	local cmd = m.prettier_command .. m.prettier_args .. file.path
	-- Range should default to selection if present:
 	local status, out, err = vis:pipe(file, { start = 0, finish = 0}, cmd)
	vis:info(status)
	if status ~= 0 then
		-- vis:info(err)
	else
		file:delete(0, file.size)
		file:insert(0, out)
	end
end

vis:map(vis.modes.NORMAL, "=", format_prettier, "format_prettier")

vis.events.subscribe(vis.events.FILE_SAVE_PRE, function (file, path)
	if not string.match(file.path, "%.js$") then return true end

	local cmd = m.prettier_command .. m.prettier_args .. file.path
	-- Range should default to selection if present:
 	local status, out, err = vis:pipe(file, { start = 0, finish = 0}, cmd)
	if status ~= 0 then
		vis:info(err)
		return status
	end
 	file:delete(0, file.size)
	file:insert(0, out)
	return true
end)

return m