plugins/null-ls: add eslint, eslint_d, and prettier_d sources, extend test for sources, sort attr sets (nix-community#458)

Co-authored-by: Gaétan Lepage <33058747+GaetanLepage@users.noreply.github.com>

Author: garaiza-93

plugins/null-ls/servers.nix

@@ -7,6 +7,12 @@
   helpers = import ./helpers.nix args;
   serverData = {
     code_actions = {
+      eslint = {
+        package = pkgs.nodePackages.eslint;
+      };
+      eslint_d = {
+        package = pkgs.nodePackages.eslint_d;
+      };
       gitsigns = {};
       shellcheck = {
         package = pkgs.shellcheck;
@@ -26,6 +32,12 @@
       deadnix = {
         package = pkgs.deadnix;
       };
+      eslint = {
+        package = pkgs.nodePackages.eslint;
+      };
+      eslint_d = {
+        package = pkgs.nodePackages.eslint_d;
+      };
       flake8 = {
         package = pkgs.python3Packages.flake8;
       };
@@ -70,6 +82,12 @@
       cbfmt = {
         package = pkgs.cbfmt;
       };
+      eslint = {
+        package = pkgs.nodePackages.eslint;
+      };
+      eslint_d = {
+        package = pkgs.nodePackages.eslint_d;
+      };
       fnlfmt = {
         package = pkgs.fnlfmt;
       };
@@ -97,6 +115,9 @@
       prettier = {
         package = pkgs.nodePackages.prettier;
       };
+      prettier_d_slim = {
+        package = pkgs.nodePackages.prettier_d_slim;
+      };
       protolint = {
         package = pkgs.protolint;
       };

tests/test-sources/plugins/null-ls.nix

@@ -36,17 +36,21 @@
       updateInInsert = false;
       sources = {
         code_actions = {
+          eslint.enable = true;
+          eslint_d.enable = true;
           gitsigns.enable = true;
           shellcheck.enable = true;
           statix.enable = true;
         };
         diagnostics = {
           cppcheck.enable = true;
+          deadnix.enable = true;
+          eslint.enable = true;
+          eslint_d.enable = true;
           flake8.enable = true;
           gitlint.enable = true;
           shellcheck.enable = true;
           statix.enable = true;
-          deadnix.enable = true;
           vale.enable = true;
           vulture.enable = true;
           alex.enable = true;
@@ -60,15 +64,18 @@
           alejandra.enable = true;
           black.enable = true;
           cbfmt.enable = true;
+          eslint.enable = true;
+          eslint_d.enable = true;
           fnlfmt.enable = true;
           fourmolu.enable = true;
           nixfmt.enable = true;
+          nixpkgs_fmt.enable = true;
           phpcbf.enable = true;
           prettier.enable = true;
+          prettier_d_slim.enable = true;
           shfmt.enable = true;
           stylua.enable = true;
           taplo.enable = true;
-          nixpkgs_fmt.enable = true;
           isort.enable = true;
           jq.enable = true;
           markdownlint.enable = true;