add luasnip snippets

lua/crentist/luasnip.lua

@@ -0,0 +1,80 @@
+-- luasnip.lua
+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
+
+vim.keymap.set({ "i", "s" }, "<C-l>", function()
+    if ls.expand_or_jumpable() then
+        ls.expand_or_jump()
+    end
+end, { desc = "Snippet next argument", silent = true })
+
+-- nvim config
+ls.add_snippets('lua', {
+    s({ name = 'LuaSnip Snippet', trig = 'snipf' },
+        fmt([[
+        s({ name='<name>', trig='<trig>'},
+            fmt(<template>,
+                { <inputs> },
+                { <opts> }
+            )
+        ),
+        ]], {
+                name = i(1, 'name'),
+                trig = i(2, 'trig'),
+                template = i(3, '[[]]'),
+                inputs = i(4, 'nodes'),
+                opts = i(5,
+                    'opts')
+            },
+            { delimiters = '<>' }
+        )
+    ),
+    s({ name = 'Add snippets block', trig = 'add_snip' },
+        fmt([[
+        ls.add_snippets('<filetype>', {
+            <snippets>
+        })
+        ]],
+            { filetype = i(1, 'Filetype'), snippets = i(2, 'Snippets') },
+            { delimiters = '<>' }
+        )
+    ),
+})
+
+-- Comment block
+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')
+            }
+        )
+    ),
+})
+