nvim: add more snippets

- shrug
- section header comment (i like this one)

src/.config/nvim/lua/coding.lua

@@ -137,7 +137,11 @@ local servers = {
 					library = {
 						vim.env.VIMRUNTIME,
 					},
-				}
+				},
+				diagnostics = {
+					-- get it to stop complaining about luasnip
+					globals = {'s', 'f', 't', "fmt", "c", "sn", "i", "rep", "d"},
+				},
 			}
 		}
 	},

src/.config/nvim/snippets/all.lua

@@ -1,12 +1,38 @@
+--------------------------------
+--------------------------------
+-- utility functions
+--------------------------------
+--------------------------------
+
+-- if nil or empty, use placeholder
+local function get_str(str, placeholder)
+	if not str or str == "" then
+		return placeholder
+	else
+		return str
+	end
+end
+
+-- repeat i() node some amount of times
+local function rep_node(args, snip)
+	local ret = {}
+	local line = string.rep(args[1][1], get_str(snip.captures[2], 16))
+	for _ = 1, get_str(snip.captures[1], 1) do
+		table.insert(ret, line)
+	end
+	return ret
+end
+
 return {
-	--------------------------------	
-	--------------------------------	
+	--------------------------------
+	--------------------------------
 	-- date and timekeeping snippets
-	--------------------------------	
-	--------------------------------	
+	--------------------------------
+	--------------------------------
 	s({ trig = "today", desc = "YYYY-MM-DD date of today" }, f(function()
 		return os.date("%Y-%m-%d")
 	end)),
+
 	s({ trig = "yesterday", desc = "YYYY-MM-DD date of yesterday" }, f(function()
 		local t = os.date("*t")
 		return os.date("%Y-%m-%d", os.time { year = t.year, month = t.month, day = t.day - 1 })
@@ -16,6 +42,7 @@ return {
 		local t = os.date("*t")
 		return tostring(os.time { year = t.year, month = t.month, day = t.day, hour = 0 })
 	end)),
+
 	s(
 		{
 			trig = "datestamp (%d-)-(%d-)-(%d-)",
@@ -25,4 +52,49 @@ return {
 		}, f(function(_, snip)
 			return tostring(os.time { year = snip.captures[1], month = snip.captures[2], day = snip.captures[3], hour = 0 })
 		end)),
+
+	--------------------------------
+	--------------------------------
+	-- miscellaneous snippets
+	--------------------------------
+	--------------------------------
+	s({ trig = "shrug", desc = "shrug emoticon (not escaped)" }, t("¯\\_(ツ)_/¯")),
+
+	s(
+		{
+			trig = "(%d*)segm(%d-)",
+			regTrig = true,
+			desc = {
+				"section/segment header title comment.", "",
+				"number in front is height (default 1), second number is width.",
+				"to use this, type the comment symbol (e.g. # or //) then TAB, then the section title.",
+				"see also: https://www.pathsensitive.com/2023/12/should-you-split-that-file.html",
+			}
+		}, fmt([[
+	{surr1}
+	{comm} {cont}
+	{surr2}
+
+	]], {
+			surr1 = f(rep_node, { 1 }),
+			comm = d(1, function()
+				local ft = vim.bo.filetype
+
+				local ft_table = {
+					c = "//",
+					cpp = "//",
+					rust = "//",
+					lua = "--",
+					python = "##",
+				}
+
+				local comm = ft_table[ft]
+				if not comm then
+					return sn(nil, { i(1) })
+				end
+				return sn(nil, { t(comm) })
+			end),
+			cont = i(2),
+			surr2 = f(rep_node, { 1 })
+		})),
 }