feat(config): all autosnippets without suffix '!' can disable its auto expansion

Author: TwIStOy

lua/luasnip-snippets/config.lua

@@ -6,13 +6,17 @@
 ---@field vim_snippet? boolean
 ---@field cond? fun():boolean
 
+---@alias LSSnippets.Config.Snippet.DisableSnippets string[]
+---@alias LSSnippets.SupportLangs 'cpp'|'dart'|'lua'|'rust'|'nix'|'typescript'|'*'
+
 ---@class LSSnippets.Config.Snippet
 ---@field lua LSSnippets.Config.Snippet.Lua
 
 ---@class LSSnippets.Config
 ---@field copyright_header? string
 ---@field user? LSSnippets.Config.User
 ---@field snippet? LSSnippets.Config.Snippet
+---@field disable_auto_expansion? table<LSSnippets.SupportLangs, LSSnippets.Config.Snippet.DisableSnippets>
 local config = {}
 
 ---@param opts? LSSnippets.Config
@@ -37,10 +41,18 @@ local function get(key)
   return value
 end
 
+---return bool
+local function auto_expansion_disabled(lang, trig)
+  local disabled_trigs =
+    vim.F.if_nil(vim.tbl_get(config, "disable_auto_expansion", lang), {})
+  return vim.list_contains(disabled_trigs, trig)
+end
+
 ---@class luasnip-snippets.config
 local M = {
   setup = setup,
   get = get,
+  auto_expansion_disabled = auto_expansion_disabled,
 }
 
 return M

lua/luasnip-snippets/nodes.lua

@@ -55,6 +55,7 @@ end
 ---@field hidden boolean? Hidden from completion, If "h" in mode, defaults to true.
 ---@field nodes LuaSnip.Node[] Expansion nodes
 ---@field priority number? Snippet priority
+---@field lang string? Language of the snippet
 ---@field cond LSSnippets.ConditionObject? Condition object, including condition and show_condition
 ---@field resolveExpandParams nil|fun(snippet: LuaSnip.Snippet, line_to_cursor: string, matched_trigger: string, captures: table): table Function to decide whether the snippet can be expanded or not.
 ---@field opts table? Other options
@@ -63,6 +64,8 @@ end
 local function construct_snippet(opts)
   local CommonCond = require("luasnip-snippets.utils.common_cond")
   local ls = require("luasnip")
+  ---@type luasnip-snippets.config
+  local Config = require("luasnip-snippets.config")
 
   local trig = opts[1]
   local name = vim.F.if_nil(opts.name, trig)
@@ -75,6 +78,13 @@ local function construct_snippet(opts)
   end
   local hidden = vim.F.if_nil(opts.hidden, mode:match("h") ~= nil)
   local snippetType = mode:match("A") ~= nil and "autosnippet" or "snippet"
+  if
+    snippetType == "autosnippet"
+    and opts.lang ~= nil
+    and Config.auto_expansion_disabled(opts.lang, trig)
+  then
+    snippetType = "snippet"
+  end
   local nodes = opts.nodes
   local priority = opts.priority or nil
   local cond = opts.cond or nil

lua/luasnip-snippets/snippets/cpp/default.lua

@@ -1,7 +1,9 @@
 local ls = require("luasnip")
-local snippet = require("luasnip-snippets.nodes").construct_snippet
-local i = require("luasnip-snippets.nodes").insert_node
-local c = require("luasnip-snippets.nodes").choice_node
+---@type luasnip-snippets.nodes
+local Nodes = require("luasnip-snippets.nodes")
+local snippet = Nodes.construct_snippet
+local i = Nodes.insert_node
+local c = Nodes.choice_node
 local fmta = require("luasnip.extras.fmt").fmta
 local f = ls.function_node
 local t = ls.text_node
@@ -58,6 +60,7 @@ local function int_type_snippet(bits, unsigned)
     name = ("(%s) %s"):format(trig, expand),
     desc = ("Expands to %s"):format(expand),
     mode = "wA",
+    lang = "cpp",
     nodes = {
       t(expand),
     },
@@ -171,6 +174,7 @@ return {
     name = "(once) #Progma once",
     dscr = "Expands to progma once with comments",
     mode = "bwA",
+    lang = "cpp",
     cond = all_lines_before_are_all_comments,
     nodes = {
       t { "#pragma once  // NOLINT(build/header_guard)", "" },
@@ -183,6 +187,7 @@ return {
     name = 'include ""',
     dscr = "#include with quotes",
     mode = "bA",
+    lang = "cpp",
     nodes = {
       t('#include "'),
       i(1, "header"),
@@ -194,6 +199,7 @@ return {
     name = "include <>",
     dscr = "#include with <>",
     mode = "bA",
+    lang = "cpp",
     nodes = {
       t("#include <"),
       i(1, "header"),