adds eslint config

modules/nixvim/lsp.nix

@@ -51,6 +51,68 @@
             "eslint.config.mts"
             "eslint.config.cts"
           ];
+          settings = {
+            validate = "on";
+            useESLintClass = false;
+            experimental = {
+              useFlatConfig = false;
+            };
+            codeActionOnSave = {
+              enable = false;
+              mode = "all";
+            };
+            format = true;
+            quiet = false;
+            onIgnoredFiles = "off";
+            rulesCustomizations = { };
+            run = "onType";
+            problems = {
+              shortenToSingleLine = false;
+            };
+            nodePath = "";
+            workingDirectory = {
+              mode = "auto";
+            };
+            codeAction = {
+              disableRuleComment = {
+                enable = true;
+                location = "separateLine";
+              };
+              showDocumentation = {
+                enable = true;
+              };
+            };
+          };
+          handlers = {
+            "eslint/openDoc".__raw = /* lua */ ''
+              function(_, result)
+                if result then
+                  vim.ui.open(result.url)
+                end
+                return {}
+              end
+            '';
+            "eslint/confirmESLintExecution" = /* lua */ ''
+              function(_, result)
+                if not result then
+                  return
+                end
+                return 4 -- approved
+              end
+            '';
+            "eslint/probeFailed" = /* lua */ ''
+              function()
+                vim.notify("[lspconfig] ESLint probe failed.", vim.log.levels.WARN)
+                return {}
+              end
+            '';
+            "eslint/noLibrary" = /* lua */ ''
+              function()
+                vim.notify("[lspconfig] Unable to find ESLint library.", vim.log.levels.WARN)
+                return {}
+              end
+            '';
+          };
           before_init.__raw = /* lua */ ''
             function(_, config)
               local eslint_config_files = {