From 6efd8a3873e435c09b5a4fbfc806c667e634df9f Mon Sep 17 00:00:00 2001
From: Simon Lasbrugnas <simon.lasbrugnas@gmail.com>
Date: Mon, 28 Jul 2025 21:55:38 +0200
Subject: [PATCH] feat: modify LSPs to prefer conform for formatting

Add eslint LSP

feat: Add linter support with 'nvim-lint'

Add linting to JavaScript / TypeScript and Go files
---
 lua/config/options.lua             |  3 +++
 lua/custom/lsp/config/biome.lua    |  2 +-
 lua/custom/lsp/config/eslint.lua   | 11 +++++++++++
 lua/custom/lsp/config/html.lua     |  2 +-
 lua/custom/lsp/config/jsonls.lua   | 18 +++++++++++++++++-
 lua/custom/lsp/config/yamlls.lua   | 12 +++++++++++-
 lua/custom/plugins/colorscheme.lua |  2 +-
 lua/custom/plugins/conform.lua     | 26 ++++++++++++++++++--------
 lua/custom/plugins/nvim-lint.lua   | 27 +++++++++++++++++++++++++++
 9 files changed, 90 insertions(+), 13 deletions(-)
 create mode 100644 lua/custom/lsp/config/eslint.lua
 create mode 100644 lua/custom/plugins/nvim-lint.lua

diff --git a/lua/config/options.lua b/lua/config/options.lua
index 42237c3..a32f47f 100644
--- a/lua/config/options.lua
+++ b/lua/config/options.lua
@@ -58,3 +58,6 @@ opt.listchars = "tab:  ,extends:›,precedes:‹,nbsp:·,trail:·"
 
 -- System wide clipboard
 opt.clipboard = "unnamedplus"
+
+-- Use .editorconfig files
+vim.g.editorconfig = true
diff --git a/lua/custom/lsp/config/biome.lua b/lua/custom/lsp/config/biome.lua
index c82d78d..602e46c 100644
--- a/lua/custom/lsp/config/biome.lua
+++ b/lua/custom/lsp/config/biome.lua
@@ -4,7 +4,7 @@ return {
 		vim.api.nvim_create_autocmd("BufWritePre", {
 			buffer = bufnr,
 			callback = function()
-				vim.lsp.buf.format()
+				require("conform").format({ async = true, lsp_fallback = true })
 			end,
 		})
 	end
diff --git a/lua/custom/lsp/config/eslint.lua b/lua/custom/lsp/config/eslint.lua
new file mode 100644
index 0000000..602e46c
--- /dev/null
+++ b/lua/custom/lsp/config/eslint.lua
@@ -0,0 +1,11 @@
+return {
+	on_attach = function(_, bufnr)
+		-- Format document on save
+		vim.api.nvim_create_autocmd("BufWritePre", {
+			buffer = bufnr,
+			callback = function()
+				require("conform").format({ async = true, lsp_fallback = true })
+			end,
+		})
+	end
+}
diff --git a/lua/custom/lsp/config/html.lua b/lua/custom/lsp/config/html.lua
index c82d78d..602e46c 100644
--- a/lua/custom/lsp/config/html.lua
+++ b/lua/custom/lsp/config/html.lua
@@ -4,7 +4,7 @@ return {
 		vim.api.nvim_create_autocmd("BufWritePre", {
 			buffer = bufnr,
 			callback = function()
-				vim.lsp.buf.format()
+				require("conform").format({ async = true, lsp_fallback = true })
 			end,
 		})
 	end
diff --git a/lua/custom/lsp/config/jsonls.lua b/lua/custom/lsp/config/jsonls.lua
index a564707..bb9d459 100644
--- a/lua/custom/lsp/config/jsonls.lua
+++ b/lua/custom/lsp/config/jsonls.lua
@@ -1 +1,17 @@
-return {}
+return {
+	on_attach = function(_, bufnr)
+		-- Format document on save
+		vim.api.nvim_create_autocmd("BufWritePre", {
+			buffer = bufnr,
+			callback = function()
+				-- check that biome lsp is running
+				local biome = vim.lsp.get_clients({ buffer = bufnr, name = "biome" })
+				if #biome == 0 then
+					vim.lsp.buf.format()
+				else
+					vim.lsp.buf.format({ filter = function(client) return client.name == "biome" end })
+				end
+			end,
+		})
+	end
+}
diff --git a/lua/custom/lsp/config/yamlls.lua b/lua/custom/lsp/config/yamlls.lua
index a564707..602e46c 100644
--- a/lua/custom/lsp/config/yamlls.lua
+++ b/lua/custom/lsp/config/yamlls.lua
@@ -1 +1,11 @@
-return {}
+return {
+	on_attach = function(_, bufnr)
+		-- Format document on save
+		vim.api.nvim_create_autocmd("BufWritePre", {
+			buffer = bufnr,
+			callback = function()
+				require("conform").format({ async = true, lsp_fallback = true })
+			end,
+		})
+	end
+}
diff --git a/lua/custom/plugins/colorscheme.lua b/lua/custom/plugins/colorscheme.lua
index b9d638a..16ef198 100644
--- a/lua/custom/plugins/colorscheme.lua
+++ b/lua/custom/plugins/colorscheme.lua
@@ -33,7 +33,7 @@ return {
 			},
 		},
 		init = function()
-			-- vim.cmd("colorscheme lackluster-night")
+			-- vim.cmd("colorscheme lackluster-mint")
 		end
 	},
 	{
diff --git a/lua/custom/plugins/conform.lua b/lua/custom/plugins/conform.lua
index 440b991..4b7a4b6 100644
--- a/lua/custom/plugins/conform.lua
+++ b/lua/custom/plugins/conform.lua
@@ -3,9 +3,9 @@ return {
 	config = function()
 		require("conform").setup({
 			formatters_by_ft = {
+				go = { "go" },
 				html = { "biome", "html-lsp" },
-				json = { "biome" },
-				yaml = { "yamlls" },
+				yaml = { "prettier" },
 				javascript = { "biome" },
 				javascriptreact = { "biome" },
 				markdown = { "biome" },
@@ -13,15 +13,25 @@ return {
 				typescriptreact = { "biome" },
 				["*"] = { "trim_whitespace" },
 			},
-			format_on_save = {
-				timeout_ms = 500,
-				lsp_fallback = true,
-			},
 			formatters = {
 				biome = {
 					condition = function()
-						return vim.uv.fs_realpath("biome.json") ~= nil end,
-				},
+						return vim.uv.fs_realpath("biome.json") ~= nil
+					end,
+					command = "biome",
+					args = {
+						"check",
+						"--fix",
+						"--unsafe",
+						"$FILENAME",
+					},
+					stdin = false,
+				}
+			},
+			format_on_save = {
+				lsp_fallback = true,
+				async = false,
+				timeout_ms = 500,
 			},
 		})
 	end,
diff --git a/lua/custom/plugins/nvim-lint.lua b/lua/custom/plugins/nvim-lint.lua
new file mode 100644
index 0000000..b094db8
--- /dev/null
+++ b/lua/custom/plugins/nvim-lint.lua
@@ -0,0 +1,27 @@
+return {
+	"mfussenegger/nvim-lint",
+	event = {
+		"BufReadPre",
+		"BufNewFile",
+	},
+	config = function()
+		local lint = require("lint")
+
+		lint.linters_by_ft = {
+			go = { "golangcilint" },
+			javascript = { "biomejs", "eslint_d" },
+			typescript = { "biomejs", "eslint_d" },
+			javascriptreact = { "biomejs", "eslint_d" },
+			typescriptreact = { "biomejs", "eslint_d" },
+		}
+
+		local lint_augroup = vim.api.nvim_create_augroup("lint", { clear = true })
+
+		vim.api.nvim_create_autocmd({ "BufEnter", "BufWritePost", "InsertLeave" }, {
+			group = lint_augroup,
+			callback = function()
+				lint.try_lint()
+			end,
+		})
+	end,
+}