neovim-flake/modules/lsp/lspsaga/config.nix

{
  config,
  lib,
  ...
}:
with lib;
with builtins; let
  cfg = config.vim.lsp;
  self = import ./lspsaga.nix {inherit lib;};

  mappingDefinitions = self.options.vim.lsp.lspsaga.mappings;
  mappings = addDescriptionsToMappings cfg.lspsaga.mappings mappingDefinitions;
in {
  config = mkIf (cfg.enable && cfg.lspsaga.enable) {
    vim.startPlugins = ["lspsaga"];

    vim.maps.visual = mkSetLuaBinding mappings.codeAction "require('lspsaga.codeaction').range_code_action";

    vim.maps.normal = mkMerge [
      (mkSetLuaBinding mappings.lspFinder "require('lspsaga.provider').lsp_finder")
      (mkSetLuaBinding mappings.renderHoveredDoc "require('lspsaga.hover').render_hover_doc")

      (mkSetLuaBinding mappings.smartScrollUp "function() require('lspsaga.action').smart_scroll_with_saga(-1) end")
      (mkSetLuaBinding mappings.smartScrollDown "function() require('lspsaga.action').smart_scroll_with_saga(1) end")

      (mkSetLuaBinding mappings.rename "require('lspsaga.rename').rename")
      (mkSetLuaBinding mappings.previewDefinition "require('lspsaga.provider').preview_definition")

      (mkSetLuaBinding mappings.showLineDiagnostics "require('lspsaga.diagnostic').show_line_diagnostics")
      (mkSetLuaBinding mappings.showCursorDiagnostics "require('lspsaga.diagnostic').show_cursor_diagnostics")

      (mkSetLuaBinding mappings.nextDiagnostic "require('lspsaga.diagnostic').navigate('next')")
      (mkSetLuaBinding mappings.previousDiagnostic "require('lspsaga.diagnostic').navigate('prev')")

      (mkIf (!cfg.nvimCodeActionMenu.enable) (mkSetLuaBinding mappings.codeAction "require('lspsaga.codeaction').code_action"))
      (mkIf (!cfg.lspSignature.enable) (mkSetLuaBinding mappings.signatureHelp "require('lspsaga.signaturehelp').signature_help"))
    ];

    vim.luaConfigRC.lspsage = nvim.dag.entryAnywhere ''
      -- Enable lspsaga
      local saga = require 'lspsaga'
      saga.init_lsp_saga({
         border_style = 'single',
      })
    '';
  };
}