snippets: add a markdown reference link snippet

- Adds a snippet to create a link in markdown reference syntax.
- Improves the description of my markdown snippets.
- Enables the search highlighting.

Co-Authored-by: iGor milhit <igor@milhit.ch>

init.lua

@@ -229,7 +229,7 @@ vim.opt.rtp:append (vim.fn.stdpath ('data') .. '/site')
 -- NOTE: You can change these options as you wish!
 
 -- Set highlight on search
-vim.o.hlsearch = false
+vim.o.hlsearch = true
 
 -- Make line numbers default
 vim.wo.number = true

my_snippets/all.lua

@@ -1,14 +0,0 @@
-return {
-  -- A snippet that expands the trigger "hi" into the string "Hello, world!".
-  require("luasnip").snippet(
-    { trig = "hi" },
-    { t("Hello, world!") }
-  ),
-
-  -- To return multiple snippets, use one `return` statement per snippet file
-  -- and return a table of Lua snippets.
-  require("luasnip").snippet(
-    { trig = "foo" },
-    { t("Another snippet.") }
-  )
-}

my_snippets/markdown.lua

@@ -3,6 +3,7 @@ local s = ls.snippet
 local t = ls.text_node
 local i = ls.insert_node
 local f = ls.function_node
+local fmt = require("luasnip.extras.fmt").fmt
 
 -- Function to get the datetime
 --   with daylight saving time
@@ -20,6 +21,7 @@ return {
   s(
     {
       trig = "datetime",
+      name = "Datetime",
       dscr = "Insert datetime with locale daylight saving"
     },
     {
@@ -29,6 +31,7 @@ return {
   s(
     {
       trig = "id",
+      Name = "ID",
       dscr = "Insert an id based on the datetime"
     },
     {
@@ -38,6 +41,7 @@ return {
   s(
     {
       trig = "yaml",
+      name = "YAML frontmatter",
       dscr = "Insert a YAML frontmatter for markdown"
     },
     {
@@ -52,5 +56,27 @@ return {
       t{ "]", "---", "" },
       i(0),
     }
+  ),
+  s(
+    {
+      trig="reflink",
+      name = "Reference link",
+      dscr="Insert a link with reference syntax",
+      docstring = "[Link text][Reference]\n\n[Reference]: Link Target \"Title\"\n\nTab to jump to the next field to fill in. \"Reference\" is automatically repeated."
+    },
+    fmt(
+      [[
+        [{1}][{2}]
+
+        [{2}]: {3} "{4}"
+      ]],
+      {
+        i(1, "Link text"),
+        i(2, "Reference"),
+        i(3, "Link target"),
+        i(4, "Title")
+      },
+      { repeat_duplicates = true }
+    )
   )
 }