feat(snip): exclude snippets by trigger

lua/typstar/autosnippets.lua

@@ -6,15 +6,18 @@ local fmta = require('luasnip.extras.fmt').fmta
 local lsengines = require('luasnip.nodes.util.trig_engines')
 local ts = vim.treesitter
 
+local exclude_triggers_set = {}
 local last_keystroke_time = nil
-vim.api.nvim_create_autocmd('TextChangedI', {
-    callback = function() last_keystroke_time = vim.loop.now() end,
-})
 local lexical_result_cache = {}
 local ts_markup_query = ts.query.parse('typst', '(text) @markup')
 local ts_math_query = ts.query.parse('typst', '(math) @math')
 local ts_string_query = ts.query.parse('typst', '(string) @string')
 
+utils.generate_bool_set(cfg.exclude, exclude_triggers_set)
+vim.api.nvim_create_autocmd('TextChangedI', {
+    callback = function() last_keystroke_time = vim.loop.now() end,
+})
+
 M.in_math = function()
     local cursor = utils.get_cursor_pos()
     return utils.cursor_within_treesitter_query(ts_math_query, 0, cursor)
@@ -121,7 +124,16 @@ function M.setup()
     if cfg.enable then
         local autosnippets = {}
         for _, file in ipairs(cfg.modules) do
-            vim.list_extend(autosnippets, require(('typstar.snippets.%s'):format(file)))
+            for _, sn in ipairs(require(('typstar.snippets.%s'):format(file))) do
+                local exclude
+                local is_start = sn.trigger:match('^%^%(\\s%*%)')
+                if is_start then
+                    exclude = exclude_triggers_set[sn.trigger:sub(7)]
+                else
+                    exclude = exclude_triggers_set[sn.trigger]
+                end
+                if not exclude then table.insert(autosnippets, sn) end
+            end
         end
         luasnip.add_snippets('typst', autosnippets)
         local jsregexp_ok, _ = pcall(require, 'luasnip-jsregexp')

lua/typstar/config.lua

@@ -25,6 +25,7 @@ local default_config = {
             'markup',
             'visual',
         },
+        exclude = {}, -- list of triggers to exclude
     },
 }
 

lua/typstar/snippets/letters.lua

@@ -4,6 +4,7 @@ local i = ls.insert_node
 local s = ls.snippet_node
 local t = ls.text_node
 local helper = require('typstar.autosnippets')
+local utils = require('typstar.utils')
 local snip = helper.snip
 local cap = helper.cap
 local math = helper.in_math
@@ -62,14 +63,8 @@ for latin, greek in pairs(greek_letters_map) do
     table.insert(greek_keys, latin:upper())
 end
 
-local generate_bool_set = function(arr, target)
-    for _, val in ipairs(arr) do
-        target[val] = true
-    end
-end
-
-generate_bool_set(index_conflicts, index_conflicts_set)
-generate_bool_set(punctuation_prepend_space, punctuation_prepend_space_set)
+utils.generate_bool_set(index_conflicts, index_conflicts_set)
+utils.generate_bool_set(punctuation_prepend_space, punctuation_prepend_space_set)
 
 greek_letters_map = greek_full
 trigger_greek = table.concat(greek_keys, '|')

lua/typstar/utils.lua

@@ -61,6 +61,12 @@ function M.urlencode(url)
     return url
 end
 
+function M.generate_bool_set(arr, target)
+    for _, val in ipairs(arr) do
+        target[val] = true
+    end
+end
+
 function M.get_treesitter_root(bufnr) return ts.get_parser(bufnr):parse()[1]:root() end
 
 function M.treesitter_match_start_end(match)