From 265c64ae4a870d71155ec99437d806bef65aa633 Mon Sep 17 00:00:00 2001
From: FollieHiyuki <folliekazetani@protonmail.com>
Date: Wed, 20 Oct 2021 01:57:38 +0700
Subject: [PATCH] neovim: lsp: add eslint language server

---
 home/.config/nvim/lua/modules/lsp.lua | 46 +++++++++++++++++++++------
 home/.config/nvim/scripts/install     |  4 +--
 2 files changed, 38 insertions(+), 12 deletions(-)

diff --git a/home/.config/nvim/lua/modules/lsp.lua b/home/.config/nvim/lua/modules/lsp.lua
index d360ad3..56698ed 100644
--- a/home/.config/nvim/lua/modules/lsp.lua
+++ b/home/.config/nvim/lua/modules/lsp.lua
@@ -1,4 +1,3 @@
--- TODO: eslint language server
 local M = {}
 
 function M.lsp_conf()
@@ -229,6 +228,42 @@ function M.lsp_conf()
         filetypes = {'html', 'markdown'}
     }
 
+    -- Eslint
+    lspconf.eslint.setup {
+        on_attach = on_attach,
+        capabilities = capabilities,
+        cmd = {servers_path .. '/vscode/node_modules/.bin/vscode-eslint-language-server', '--stdio'},
+        filetypes = {'javascript', 'javascriptreact', 'typescript', 'typescriptreact', 'vue', 'svelte'},
+        handlers = {
+            ['eslint/noConfig'] = function()
+                vim.notify('Unable to parse ESLint config.', vim.log.levels.WARN)
+            end
+        },
+        settings = {
+            codeAction = {
+                disableRuleComment = {
+                    enable = true,
+                    location = 'separateLine'
+                },
+                showDocumentation = {enable = true}
+            },
+            codeActionOnSave = {
+                enable = false, -- run ':EslintFixAll' manually
+                mode = 'all'
+            },
+            format = true,
+            nodePath = '',
+            onIgnoredFiles = 'off',
+            packageManager = 'npm',
+            quiet = false,
+            rulesCustomizations = {},
+            run = 'onType',
+            useESLintClass = false,
+            validate = 'on',
+            workingDirectory = {mode = 'auto'}
+        }
+    }
+
     -- JSON
     lspconf.jsonls.setup {
         on_attach = on_attach,
@@ -316,12 +351,6 @@ function M.lsp_conf()
             -- null_ls.builtins.formatting.cmake_format.with {
             --     command = 'cmake-format'
             -- },
-            -- null_ls.builtins.formatting.eslint.with {
-            --     condition = function(utils)
-            --         return utils.root_has_file('.eslintrc.js')
-            --     end,
-            --     command = 'eslint'
-            -- },
             null_ls.builtins.formatting.fish_indent,
             -- null_ls.builtins.formatting.fixjson.with {
             --     command = 'fixjson'
@@ -374,9 +403,6 @@ function M.lsp_conf()
             -- null_ls.builtins.diagnostics.codespell.with {
             --     command = 'codespell'
             -- },
-            -- null_ls.builtins.diagnostics.eslint.with {
-            --     command = 'eslint'
-            -- },
             -- null_ls.builtins.diagnostics.flake8.with {
             --     command = 'flake8'
             -- },
diff --git a/home/.config/nvim/scripts/install b/home/.config/nvim/scripts/install
index 1002741..48e744a 100755
--- a/home/.config/nvim/scripts/install
+++ b/home/.config/nvim/scripts/install
@@ -2,7 +2,7 @@
 
 if [ "$#" -ne 1 ]; then
     echo "Usage:"
-    printf "  - %s server_name: install specified server\n" "$0"
+    printf "  - %s [server_name]: install specified server\n" "$0"
     printf "  - %s -lsp: install all lsp servers\n" "$0"
     printf "  - %s -dap: install all dap servers\n" "$0"
     printf "  - %s -lint: install everything\n" "$0"
@@ -27,7 +27,7 @@ else
     # Each server should have an unique name
     server_path=$(find "${nvim_script_dir}" -mindepth 2 -type f -name "$1" | head -n 1)
     if [ -z "${server_path}" ]; then
-        echo "Incorrect server name $1"
+        printf "Incorrect server name \033[1;31m%s\033[0m.\n" "$1"
         exit 1
     fi
     printf "\033[1;34mInstalling \033[1;32m%s\033[1;34m...\033[0m\n" "$1"