fix: ~ should be handled on cmp side. use (...) instead for label

feat: copy the VSCode config option
`typescript.suggest.completeFunctionCalls` and have it off by default

.luacheckrc

@@ -2,6 +2,9 @@
 ignore = {
   "631", -- max_line_length
 }
+exclude_files = {
+  ".tests",
+}
 globals = { "vim", "P" }
 read_globals = {
   "describe",

README.md

@@ -138,6 +138,9 @@ require("typescript-tools").setup {
     -- described below
     tsserver_format_options = {},
     tsserver_file_preferences = {},
+    -- mirror of https://github.com/microsoft/vscode/blob/885dba39a5f546c5077196a8c31b03d03a293b31/extensions/typescript-language-features/package.json#L145-L1266
+    -- `typescript-tools.nvim` currently only supports `typescript.suggest.completeFunctionCalls`
+    vscode_configuration = { ["typescript.suggest.completeFunctionCalls"] = true },
   },
 }
 ```

lua/typescript-tools/config.lua

@@ -1,3 +1,6 @@
+---@see https://github.com/microsoft/vscode/blob/885dba39a5f546c5077196a8c31b03d03a293b31/extensions/typescript-language-features/package.json#L145-L1266
+---@alias VsCodeConfiguration { typescript.suggest.completeFunctionCalls: boolean }
+
 ---@class Settings
 ---@field plugin_name string
 ---@field separate_diagnostic_server boolean
@@ -8,6 +11,7 @@
 ---@field tsserver_format_options table|fun(filetype: string): table
 ---@field tsserver_file_preferences table|fun(filetype: string): table
 ---@field tsserver_max_memory number|"auto"
+---@field vscode_configuration VsCodeConfiguration
 ---@field expose_as_code_action ("fix_all"| "add_missing_imports"| "remove_unused")[]
 local M = {}
 local __store = {}
@@ -106,6 +110,7 @@ function M.load_settings(settings)
       { "number", "string" },
       true,
     },
+    ["settings.vscode_configuration"] = { settings.vscode_configuration, "table", true },
     ["settings.expose_as_code_action"] = {
       settings.expose_as_code_action,
       "table",
@@ -143,6 +148,10 @@ function M.load_settings(settings)
     __store.tsserver_max_memory = "auto"
   end
 
+  if not settings.vscode_configuration then
+    __store.vscode_configuration = {}
+  end
+
   if not settings.expose_as_code_action then
     __store.expose_as_code_action = {}
   end

lua/typescript-tools/protocol/text_document/completion/init.lua

@@ -67,10 +67,10 @@ function M.handler(request, response, params)
         sortText = "\u{ffff}" .. item.sortText
       end
 
-      local should_create_snippet = item.isSnippet
-        or utils.should_create_function_snippet(kind, filetype)
+      local should_create_function_snippet = utils.should_create_function_snippet(kind, filetype)
+      local should_create_snippet = item.isSnippet or should_create_function_snippet
       local label = is_optional and (item.name .. "?") or item.name
-      label = should_create_snippet and (label .. "~") or label
+      label = should_create_function_snippet and (label .. "(...)") or label
 
       return {
         label = label,

lua/typescript-tools/protocol/utils.lua

@@ -231,6 +231,7 @@ function M.should_create_function_snippet(kind, filetype)
   local preferences = plugin_config.get_tsserver_file_preferences(filetype)
   return preferences.includeCompletionsWithSnippetText
     and (kind == c.CompletionItemKind.Function or kind == c.CompletionItemKind.Method)
+    and plugin_config.vscode_configuration["typescript.suggest.completeFunctionCalls"]
 end
 
 return M

tests/requests_spec.lua

@@ -1,6 +1,7 @@
 local utils = require "tests.utils"
 local lsp_assert = require "tests.lsp_asserts"
 local mocks = require "tests.mocks"
+local plugin_config = require "typescript-tools.config"
 local c = require "typescript-tools.protocol.constants"
 local methods = c.LspMethods
 local custom_methods = c.CustomMethods
@@ -134,10 +135,11 @@ describe("Lsp request", function()
     utils.open_file "src/completion.ts"
     utils.wait_for_lsp_initialization()
 
-    local ret = vim.lsp.buf_request_sync(0, methods.Completion, {
+    local req = {
       textDocument = utils.get_text_document(),
       position = utils.make_position(0, 8),
-    })
+    }
+    local ret = vim.lsp.buf_request_sync(0, methods.Completion, req)
 
     local result = lsp_assert.response(ret)
 
@@ -147,36 +149,47 @@ describe("Lsp request", function()
     assert.is.True(#items >= 20)
 
     local completions = vim.tbl_map(function(it)
-      if it.label == "assert~" or it.label == "warn~" then
-        assert.are.same(it.insertTextFormat, c.InsertTextFormat.Snippet)
+      if it.kind == c.CompletionItemKind.Method or it.kind == c.CompletionItemKind.Function then
+        assert.are.same(it.insertTextFormat, c.InsertTextFormat.PlainText)
       end
       return it.label
     end, items)
     table.sort(completions)
 
-    assert.are.same(completions[1], "assert~")
-    assert.are.same(completions[#completions], "warn~")
+    assert.are.same(completions[1], "assert")
+    assert.are.same(completions[#completions], "warn")
 
-    ret = vim.lsp.buf_request_sync(0, methods.Completion, {
-      textDocument = utils.get_text_document(),
-      position = utils.make_position(0, 6),
-    })
+    -- same test as above but with function snippets enabled
+    local prev_config =
+      plugin_config.vscode_configuration["typescript.suggest.completeFunctionCalls"]
+    plugin_config.vscode_configuration["typescript.suggest.completeFunctionCalls"] = true
+
+    ret = vim.lsp.buf_request_sync(0, methods.Completion, req)
     result = lsp_assert.response(ret)
-    local can_complete_as_console = false
-    for _, item in ipairs(result.items) do
-      if item.label == "console" then
-        assert.are.same(item.insertTextFormat, c.InsertTextFormat.PlainText)
-        can_complete_as_console = true
+    assert.is.table(result.items)
+
+    items = result.items
+    assert.is.True(#items >= 20)
+
+    completions = vim.tbl_map(function(it)
+      if it.kind == c.CompletionItemKind.Method or it.kind == c.CompletionItemKind.Function then
+        assert.are.same(it.insertTextFormat, c.InsertTextFormat.Snippet)
       end
-    end
-    assert(can_complete_as_console)
+      return it.label
+    end, items)
+    table.sort(completions)
+
+    assert.are.same(completions[1], "assert(...)")
+    assert.are.same(completions[#completions], "warn(...)")
+
+    plugin_config.vscode_configuration["typescript.suggest.completeFunctionCalls"] = prev_config
   end)
 
   it("should return correct response for " .. methods.CompletionResolve, function()
     utils.open_file "src/completion.ts"
     utils.wait_for_lsp_initialization()
 
-    local ret = vim.lsp.buf_request_sync(0, methods.CompletionResolve, {
+    local req = {
       commitCharacters = { "(" },
       data = {
         character = 8,
@@ -186,37 +199,33 @@ describe("Lsp request", function()
       },
       filterText = "warn",
       insertText = "warn",
-      insertTextFormat = c.InsertTextFormat.Snippet,
+      insertTextFormat = c.InsertTextFormat.PlainText,
       kind = c.CompletionItemKind.Function,
       label = "warn",
       sortText = "11",
-    })
+    }
+    local ret = vim.lsp.buf_request_sync(0, methods.CompletionResolve, req)
 
     local result = lsp_assert.response(ret)
     assert.is.table(result)
-    assert.are.same(result.insertText, "warn($1)$0")
+    assert.are.same(result.insertText, "warn")
     assert.are.same(result.detail, "(method) Console.warn(...data: any[]): void")
 
-    ret = vim.lsp.buf_request_sync(0, methods.CompletionResolve, {
-      commitCharacters = { ".", "?" },
-      data = {
-        character = 6,
-        entryNames = { "console" },
-        file = vim.fs.dirname(vim.api.nvim_buf_get_name(0)) .. "/completion.ts",
-        line = 0,
-      },
-      filterText = "console",
-      insertText = "console",
-      insertTextFormat = c.InsertTextFormat.PlainText,
-      kind = c.CompletionItemKind.Variable,
-      label = "console",
-      sortText = "15",
-    })
+    -- same test as above but with function snippets enabled
+    local prev_config =
+      plugin_config.vscode_configuration["typescript.suggest.completeFunctionCalls"]
+    plugin_config.vscode_configuration["typescript.suggest.completeFunctionCalls"] = true
 
+    req.label = "warn(...)"
+    req.insertTextFormat = c.InsertTextFormat.Snippet
+    ret = vim.lsp.buf_request_sync(0, methods.CompletionResolve, req)
     result = lsp_assert.response(ret)
+
     assert.is.table(result)
-    assert.are.same(result.insertText, "console")
-    assert.are.same(result.detail, "var console: Console")
+    assert.are.same(result.insertText, "warn($1)$0")
+    assert.are.same(result.detail, "(method) Console.warn(...data: any[]): void")
+
+    plugin_config.vscode_configuration["typescript.suggest.completeFunctionCalls"] = prev_config
   end)
 
   it("should return correct response for " .. methods.SignatureHelp, function()