feat(snip): markup wrapping snippets

lua/typstar/snippets/markup.lua

@@ -0,0 +1,52 @@
+local ls = require('luasnip')
+local i = ls.insert_node
+
+local helper = require('typstar.autosnippets')
+local cap = helper.cap
+local markup = helper.in_markup
+local visual = helper.visual
+local snip = helper.snip
+local start = helper.start_snip
+
+
+local ctheorems = {
+    { 'tem', 'theorem' },
+    { 'pro', 'proof' },
+    { 'axi', 'axiom' },
+    { 'cor', 'corollary' },
+    { 'lem', 'lemma' },
+    { 'def', 'definition' },
+    { 'exa', 'example' },
+    { 'rem', 'remark' },
+}
+
+local wrappings = {
+    { 'll',  '$',           '$', '1+1' },
+    { 'BLD', '*',           '*', 'abc' },
+    { 'ITL', '_',           '_', 'abc' },
+    { 'HIG', '#highlight[', ']', 'abc' },
+    { 'UND', '#underline[', ']', 'abc' },
+}
+
+local document_snippets = {}
+local ctheoremsstr = '#%s[\n<>\t<>\n<>]'
+local wrappingsstr = '%s<>%s'
+
+for _, val in pairs(ctheorems) do
+    local snippet = start(val[1], string.format(ctheoremsstr, val[2]), { cap(1), visual(1), cap(1) }, markup)
+    table.insert(document_snippets, snippet)
+end
+
+for _, val in pairs(wrappings) do
+    local snippet = snip(val[1], string.format(wrappingsstr, val[2], val[3]), { visual(1, val[4]) }, markup)
+    table.insert(document_snippets, snippet)
+end
+
+return {
+    start('dm', '$\n<>\t<>\n<>$', { cap(1), visual(1), cap(1) }, markup),
+    start('fla', '#flashcard(0)[<>][\n<>\t<>\n<>]', { i(1, "flashcard"), cap(1), visual(2), cap(1) }, markup),
+    start('flA', '#flashcard(0, "<>")[\n<>\t<>\n<>]', { i(1, "flashcard"), cap(1), visual(2), cap(1) }, markup),
+    snip('IMP', '$=>>$ ', {}, markup),
+    snip('IFF', '$<<=>>$ ', {}, markup),
+    unpack(document_snippets),
+}