nixvim-config/plugins/telescope.nix

{ ... }:
{
  programs.nixvim = {
    keymaps = [
      ## Lists files in your current working directory, respects .gitignore
      {
        mode = [ "n" ];
        key = "<leader>ff";
        action = "<cmd>Telescope find_files<cr>";
        options = { noremap = true; };
      }
      ## Finds files by filename
      {
        mode = [ "n" ];
        key = "<c-p>";
        action = "<cmd>Telescope find_files<cr>";
        # action = "<cmd>FzfLua files<cr>";
        options = { noremap = true; };
      }
      # Search for a string in your current working directory and get results live as you type, respects .gitignore. (Requires ripgrep)
      {
        mode = [ "n" ];
        key = "<leader>fg";
        action = "<cmd>Telescope live_grep<cr>";
        # action = "<cmd>FzfLua live_grep<cr>";
        options = { noremap = true; };
      }
      # Search file contents
      {
        mode = [ "n" ];
        key = "<c-s>";
        action = "<cmd>Telescope live_grep<cr>";
        # action = "<cmd>FzfLua live_grep<cr>";
        options = { noremap = true; };
      }
      # Lists open buffers in current neovim instance
      {
        mode = [ "n" ];
        key = "<leader>db";
        action = "<cmd>Telescope buffers<cr>";
        # action = "<cmd>FzfLua buffers<cr>";
        options = { noremap = true; };
      }
      # Lists available help tags and opens a new window with the relevant help info on <cr>
      {
        mode = [ "n" ];
        key = "<leader>fh";
        action = "<cmd>Telescope help_tags<cr>";
        # action = "<cmd>FzfLua helptags<cr>";
        options = { noremap = true; };
      }
      # Lists manpage entries, opens them in a help window on <cr>
      {
        mode = [ "n" ];
        key = "<leader>fm";
        action = "<cmd>Telescope man_pages<cr>";
        # action = "<cmd>FzfLua manpages<cr>";
        options = { noremap = true; };
      }
      # Lists previously open files
      {
        mode = [ "n" ];
        key = "<leader>fp";
        action = "<cmd>Telescope oldfiles<cr>";
        # action = "<cmd>FzfLua oldfiles<cr>";
        options = { noremap = true; };
      }
      # Lists previously open files, Maps to ctrl-/
      {
        mode = [ "n" ];
        key = "<c-_>";
        action = "<cmd>Telescope oldfiles<cr>";
        # action = "<cmd>FzfLua oldfiles<cr>";
        options = { noremap = true; };
      }
      ## Binding currently used by nvim-tree
      ## Lists spelling suggestions for the current word under the cursor, replaces word with selected suggestion on <cr>
      # {
      #   mode = [ "n" ];
      #   key = "<leader>fs";
      #   action = "<cmd>Telescope spell_suggest<cr>";
      #   # action = "<cmd>FzfLua spell_suggest<cr>";
      #   options = { noremap = true; };
      # }
      # Lists LSP references for iword under the cursor
      {
        mode = [ "n" ];
        key = "<leader>fr";
        action = "<cmd>Telescope lsp_references<cr>";
        # action = "<cmd>FzfLua lsp_references<cr>";
        options = { noremap = true; };
      }
      # Lists LSP incoming calls for word under the cursor
      {
        mode = [ "n" ];
        key = "<leader>fi";
        action = "<cmd>Telescope lsp_incoming_calls<cr>";
        # action = "<cmd>FzfLua lsp_incoming_calls<cr>";
        options = { noremap = true; };
      }
      # Lists LSP outgoing calls for word under the cursor
      {
        mode = [ "n" ];
        key = "<leader>fo";
        action = "<cmd>Telescope lsp_outgoing_calls<cr>";
        # action = "<cmd>FzfLua lsp_outgoing_calls<cr>";
        options = { noremap = true; };
      }
      # Dynamically Lists LSP for all workspace symbols
      {
        mode = [ "n" ];
        key = "<leader>fw";
        action = "<cmd>Telescope lsp_dynamic_workspace_symbols<cr>";
        # action = "<cmd>FzfLua lsp_workspace_symbols<cr>";
        options = { noremap = true; };
      }
      # Goto the definition of the word under the cursor, if there's only one, otherwise show all options in Telescope
      {
        mode = [ "n" ];
        key = "<leader>fd";
        action = "<cmd>Telescope lsp_definitions<cr>";
        options = { noremap = true; };
      }
      # Got to previous error
      {
        mode = [ "n" ];
        key = "[d";
        action = "<cmd>lua vim.diagnostic.goto_prev()<CR>";
        options = { noremap = true; silent = true; };
      }
      {
        mode = [ "n" ];
        key = ",k";
        action = "<cmd>lua vim.diagnostic.goto_prev()<CR>";
        options = { noremap = true; silent = true; };
      }
      # Got to next error
      {
        mode = [ "n" ];
        key = "]d";
        action = "<cmd>lua vim.diagnostic.goto_next()<CR>";
        options = { noremap = true; silent = true; };
      }
      {
        mode = [ "n" ];
        key = ",j";
        action = "<cmd>lua vim.diagnostic.goto_next()<CR>";
        options = { noremap = true; silent = true; };
      }

      ## Other Telescope options:
      ## git_files     search only files in git, respects .gitignore
      ## oldfiles      previously opened files
      ## command_history
      ## search_history
      ## man_pages
      ## resume        lists the results including multi-selections of the previous
      ## picker
    ];

    plugins.telescope = {
      enable = true;
      extensions.ui-select.enable = true;
      settings = {
        defaults = {
          mappings = {
            i = {
              # One instead of two esc taps to exit telescope
              "<esc>" = {
                __raw = "require('telescope.actions').close";
              };
              # Ctrl-space is used by Tmux, so remap to Ctrl-e
              "<c-e>" = {
                __raw = "require('telescope.actions').to_fuzzy_refine";
              };
              "<c-o>" = {
                __raw = "require('trouble.sources.telescope').open";
              };
            };
            n = {
              "<c-o>" = {
                __raw = "require('trouble.sources.telescope').open";
              };
            };
          };
        };
      };
    };
  };
}