restructure snippets

lua/crentist/snippets/common.lua

@@ -0,0 +1,39 @@
+local ls = require('luasnip')
+local s = ls.snippet
+local i = ls.insert_node
+local f = ls.function_node
+local fmt = require('luasnip.extras.fmt').fmt
+
+local function com_string(_, snip, to_multiply)
+    local comment_string = vim.bo.commentstring
+    local repeats = snip.captures[1]
+    local result = comment_string:gsub('%%s', ''):gsub(' ', '')
+
+    if to_multiply then
+        return string.sub(
+            string.rep(result, repeats),
+            0,
+            repeats
+        )
+    end
+
+    return result
+end
+
+ls.add_snippets('all', {
+    s({ name = 'Comment block', trig = '#com(%d+)', regTrig = true },
+        fmt([[
+        {comment_block}
+        {comment} {comment_text}
+        {comment_block}
+        ]],
+            {
+                comment_block = f(com_string, {}, { user_args = { true } }),
+                comment = f(com_string, {}, { user_args = { false } }),
+                comment_text = i(1,
+                    'Comment')
+            }
+        )
+    ),
+})
+