feat: switch to telescope.lua (#1873)

Co-authored-by: Christian Clason <[email protected]>

lua/telescope/builtin/init.lua

@@ -27,8 +27,7 @@
 ---@brief ]]
 
 if 1 ~= vim.fn.has "nvim-0.7.0" then
-  vim.api.nvim_err_writeln "This plugins requires neovim 0.7.0"
-  vim.api.nvim_err_writeln "Please update your neovim."
+  vim.api.nvim_err_writeln "Telescope.nvim requires at least nvim-0.7.0. See `:h telescope.changelog-1851`"
   return
 end
 

plugin/telescope.lua

@@ -0,0 +1,144 @@
+if 1 ~= vim.fn.has "nvim-0.7.0" then
+  vim.api.nvim_err_writeln "Telescope.nvim requires at least nvim-0.7.0. See `:h telescope.changelog-1851`"
+  return
+end
+
+if vim.g.loaded_telescope == 1 then
+  return
+end
+vim.g.loaded_telescope = 1
+
+local highlights = {
+  -- Sets the highlight for selected items within the picker.
+  TelescopeSelection = { default = true, link = "Visual" },
+  TelescopeSelectionCaret = { default = true, link = "TelescopeSelection" },
+  TelescopeMultiSelection = { default = true, link = "Type" },
+  TelescopeMultiIcon = { default = true, link = "Identifier" },
+
+  -- "Normal" in the floating windows created by telescope.
+  TelescopeNormal = { default = true, link = "Normal" },
+  TelescopePreviewNormal = { default = true, link = "TelescopeNormal" },
+  TelescopePromptNormal = { default = true, link = "TelescopeNormal" },
+  TelescopeResultsNormal = { default = true, link = "TelescopeNormal" },
+
+  -- Border highlight groups.
+  --   Use TelescopeBorder to override the default.
+  --   Otherwise set them specifically
+  TelescopeBorder = { default = true, link = "TelescopeNormal" },
+  TelescopePromptBorder = { default = true, link = "TelescopeBorder" },
+  TelescopeResultsBorder = { default = true, link = "TelescopeBorder" },
+  TelescopePreviewBorder = { default = true, link = "TelescopeBorder" },
+
+  -- Title highlight groups.
+  --   Use TelescopeTitle to override the default.
+  --   Otherwise set them specifically
+  TelescopeTitle = { default = true, link = "TelescopeBorder" },
+  TelescopePromptTitle = { default = true, link = "TelescopeTitle" },
+  TelescopeResultsTitle = { default = true, link = "TelescopeTitle" },
+  TelescopePreviewTitle = { default = true, link = "TelescopeTitle" },
+
+  TelescopePromptCounter = { default = true, link = "NonText" },
+
+  -- Used for highlighting characters that you match.
+  TelescopeMatching = { default = true, link = "Special" },
+
+  -- Used for the prompt prefix
+  TelescopePromptPrefix = { default = true, link = "Identifier" },
+
+  -- Used for highlighting the matched line inside Previewer. Works only for (vim_buffer_ previewer)
+  TelescopePreviewLine = { default = true, link = "Visual" },
+  TelescopePreviewMatch = { default = true, link = "Search" },
+
+  TelescopePreviewPipe = { default = true, link = "Constant" },
+  TelescopePreviewCharDev = { default = true, link = "Constant" },
+  TelescopePreviewDirectory = { default = true, link = "Directory" },
+  TelescopePreviewBlock = { default = true, link = "Constant" },
+  TelescopePreviewLink = { default = true, link = "Special" },
+  TelescopePreviewSocket = { default = true, link = "Statement" },
+  TelescopePreviewRead = { default = true, link = "Constant" },
+  TelescopePreviewWrite = { default = true, link = "Statement" },
+  TelescopePreviewExecute = { default = true, link = "String" },
+  TelescopePreviewHyphen = { default = true, link = "NonText" },
+  TelescopePreviewSticky = { default = true, link = "Keyword" },
+  TelescopePreviewSize = { default = true, link = "String" },
+  TelescopePreviewUser = { default = true, link = "Constant" },
+  TelescopePreviewGroup = { default = true, link = "Constant" },
+  TelescopePreviewDate = { default = true, link = "Directory" },
+  TelescopePreviewMessage = { default = true, link = "TelescopePreviewNormal" },
+  TelescopePreviewMessageFillchar = { default = true, link = "TelescopePreviewMessage" },
+
+  -- Used for Picker specific Results highlighting
+  TelescopeResultsClass = { default = true, link = "Function" },
+  TelescopeResultsConstant = { default = true, link = "Constant" },
+  TelescopeResultsField = { default = true, link = "Function" },
+  TelescopeResultsFunction = { default = true, link = "Function" },
+  TelescopeResultsMethod = { default = true, link = "Method" },
+  TelescopeResultsOperator = { default = true, link = "Operator" },
+  TelescopeResultsStruct = { default = true, link = "Struct" },
+  TelescopeResultsVariable = { default = true, link = "SpecialChar" },
+
+  TelescopeResultsLineNr = { default = true, link = "LineNr" },
+  TelescopeResultsIdentifier = { default = true, link = "Identifier" },
+  TelescopeResultsNumber = { default = true, link = "Number" },
+  TelescopeResultsComment = { default = true, link = "Comment" },
+  TelescopeResultsSpecialComment = { default = true, link = "SpecialComment" },
+  TelescopeResultsFileIcon = { default = true, link = "Normal" },
+
+  -- Used for git status Results highlighting
+  TelescopeResultsDiffChange = { default = true, link = "DiffChange" },
+  TelescopeResultsDiffAdd = { default = true, link = "DiffAdd" },
+  TelescopeResultsDiffDelete = { default = true, link = "DiffDelete" },
+  TelescopeResultsDiffUntracked = { default = true, link = "NonText" },
+}
+
+for k, v in pairs(highlights) do
+  vim.api.nvim_set_hl(0, k, v)
+end
+
+-- This is like "<C-R>" in your terminal.
+--     To use it, do `cmap <C-R> <Plug>(TelescopeFuzzyCommandSearch)
+vim.keymap.set(
+  "c",
+  "<Plug>(TelescopeFuzzyCommandSearch)",
+  "<C-\\>e \"lua require('telescope.builtin').command_history "
+    .. '{ default_text = [=[" . escape(getcmdline(), \'"\') . "]=] }"<CR><CR>',
+  { silent = true, noremap = true }
+)
+
+vim.api.nvim_create_user_command("Telescope", function(opts)
+  require("telescope.command").load_command(opts.line1, opts.line2, opts.count, unpack(opts.fargs))
+end, {
+  nargs = "*",
+  range = true,
+  complete = function(_, line)
+    local builtin_list = vim.tbl_keys(require "telescope.builtin")
+    local extensions_list = vim.tbl_keys(require("telescope._extensions").manager)
+
+    local l = vim.split(line, "%s+")
+    local n = #l - 2
+
+    if n == 0 then
+      return vim.tbl_filter(function(val)
+        return vim.startswith(val, l[2])
+      end, vim.tbl_extend("force", builtin_list, extensions_list))
+    end
+
+    if n == 1 then
+      local is_extension = vim.tbl_filter(function(val)
+        return val == l[2]
+      end, extensions_list)
+
+      if #is_extension > 0 then
+        local extensions_subcommand_dict = require("telescope.command").get_extensions_subcommand()
+        return vim.tbl_filter(function(val)
+          return vim.startswith(val, l[3])
+        end, extensions_subcommand_dict[l[2]])
+      end
+    end
+
+    local options_list = vim.tbl_keys(require("telescope.config").values)
+    return vim.tbl_filter(function(val)
+      return vim.startswith(val, l[#l])
+    end, options_list)
+  end,
+})

scripts/minimal_init.vim

@@ -3,4 +3,4 @@ set rtp+=../plenary.nvim/
 set rtp+=../tree-sitter-lua/
 
 runtime! plugin/plenary.vim
-runtime! plugin/telescope.vim
+runtime! plugin/telescope.lua