Add mdx lsp support

lsp/lemminx.lua

@@ -0,0 +1,5 @@
+return {
+  cmd = { "lemminx" },
+  filetypes = { "xml", "xsd", "xsl", "xslt", "svg" },
+  root_markers = { "sfdx-project.json", ".git" },
+}

lsp/lwc_ls.lua

@@ -0,0 +1,7 @@
+-- LWC LSP: install with `npm i -g @salesforce/lwc-language-server`.
+-- Attaches only inside SFDX projects via root marker.
+return {
+  cmd = { "lwc-language-server", "--stdio" },
+  filetypes = { "javascript", "html" },
+  root_markers = { "sfdx-project.json" },
+}

lsp/mdx_analyzer.lua

@@ -0,0 +1,24 @@
+local function tsdk()
+  local local_ts = vim.fs.find("node_modules/typescript/lib", {
+    upward = true,
+    path = vim.fn.expand("%:p:h"),
+    type = "directory",
+  })[1]
+  if local_ts then return local_ts end
+  return vim.fn.stdpath("data")
+    .. "/mason/packages/typescript-language-server/node_modules/typescript/lib"
+end
+
+return {
+  cmd = { "mdx-language-server", "--stdio" },
+  filetypes = { "mdx", "markdown.mdx" },
+  root_markers = { "package.json", "tsconfig.json", ".git" },
+  init_options = {
+    typescript = { tsdk = tsdk() },
+  },
+  capabilities = {
+    workspace = {
+      didChangeWatchedFiles = { dynamicRegistration = false },
+    },
+  },
+}

lua/timmypidashev/plugins/lint.lua

@@ -1,5 +1,49 @@
 local lint = require("lint")
 
+-- PMD for Apex. JVM startup ~3s per run, so we trigger on save only.
+-- Uses project-local pmd-ruleset.xml if present, else bundled Apex categories.
+lint.linters.pmd_apex = {
+  cmd = "pmd",
+  stdin = false,
+  append_fname = true,
+  args = function()
+    local ruleset = vim.fs.find("pmd-ruleset.xml", {
+      upward = true,
+      path = vim.fn.expand("%:p:h"),
+    })[1] or
+      "category/apex/bestpractices.xml,category/apex/errorprone.xml," ..
+      "category/apex/security.xml,category/apex/performance.xml," ..
+      "category/apex/design.xml"
+    return { "check", "-R", ruleset, "-f", "json", "--no-progress", "-d" }
+  end,
+  stream = "stdout",
+  ignore_exitcode = true,
+  parser = function(output)
+    if not output or output == "" then return {} end
+    local ok, decoded = pcall(vim.json.decode, output)
+    if not ok or not decoded.files then return {} end
+    local diags = {}
+    for _, file in ipairs(decoded.files) do
+      for _, v in ipairs(file.violations or {}) do
+        local sev = vim.diagnostic.severity.WARN
+        if (v.priority or 3) <= 2 then sev = vim.diagnostic.severity.ERROR
+        elseif (v.priority or 3) >= 4 then sev = vim.diagnostic.severity.INFO end
+        table.insert(diags, {
+          lnum     = (v.beginline or 1) - 1,
+          end_lnum = (v.endline or v.beginline or 1) - 1,
+          col      = (v.begincolumn or 1) - 1,
+          end_col  = v.endcolumn or v.begincolumn or 1,
+          severity = sev,
+          source   = "pmd",
+          code     = v.rule,
+          message  = v.description,
+        })
+      end
+    end
+    return diags
+  end,
+}
+
 lint.linters_by_ft = {
   javascript      = { "eslint_d" },
   typescript      = { "eslint_d" },
@@ -9,10 +53,25 @@ lint.linters_by_ft = {
   sh              = { "shellcheck" },
   bash            = { "shellcheck" },
   markdown        = { "markdownlint-cli2" },
+  -- apex handled via separate save-only autocmd below (pmd is slow)
 }
 
 vim.api.nvim_create_autocmd({ "BufWritePost", "InsertLeave" }, {
-  callback = function() lint.try_lint() end,
+  callback = function()
+    if vim.bo.filetype == "apex" then return end
+    lint.try_lint()
+  end,
 })
 
-vim.keymap.set("n", "<leader>l", function() lint.try_lint() end, { desc = "Lint buffer" })
+vim.api.nvim_create_autocmd("BufWritePost", {
+  pattern = { "*.cls", "*.trigger", "*.apex" },
+  callback = function() lint.try_lint("pmd_apex") end,
+})
+
+vim.keymap.set("n", "<leader>l", function()
+  if vim.bo.filetype == "apex" then
+    lint.try_lint("pmd_apex")
+  else
+    lint.try_lint()
+  end
+end, { desc = "Lint buffer" })

lua/timmypidashev/plugins/lsp.lua

@@ -1,8 +1,21 @@
 vim.filetype.add({
   extension = {
+    mdx = "markdown.mdx",
     cls = "apex",
     trigger = "apex",
     apex = "apex",
+    -- Visualforce
+    page = "html",
+    component = "html",
+    -- Aura
+    cmp = "html",
+    app = "html",
+    evt = "xml",
+    -- SOQL
+    soql = "soql",
+  },
+  pattern = {
+    [".*%-meta%.xml"] = "xml",
   },
 })
 
@@ -26,6 +39,9 @@ vim.lsp.enable({
   "bashls",
   "apex_ls",
   "htmx",
+  "lemminx",
+  "lwc_ls",
+  "mdx_analyzer",
 })
 
 vim.diagnostic.config({

lua/timmypidashev/plugins/mason.lua

@@ -25,6 +25,8 @@ require("mason-tool-installer").setup({
     "taplo",
     "bash-language-server",
     "htmx-lsp",
+    "lemminx",
+    "mdx-analyzer",
     -- Apex LSP not in mason registry — install JAR manually, set APEX_JAR env
 
     -- Formatters