feat: add apex_ls #1940

1 files changed, 46 insertions, 0 deletions

diff --git a/lua/lspconfig/server_configurations/apex_ls.lua b/lua/lspconfig/server_configurations/apex_ls.lua
new file mode 100644
index 00000000..76fff90f
--- /dev/null
+++ b/lua/lspconfig/server_configurations/apex_ls.lua
@@ -0,0 +1,46 @@
+local util = require 'lspconfig.util'
+
+return {
+  default_config = {
+    filetypes = { 'apexcode' },
+    root_dir = util.root_pattern 'sfdx-project.json',
+    on_new_config = function(config)
+      if not config.cmd and config.apex_jar_path then
+        config.cmd = {
+          'java',
+          '-cp',
+          config.apex_jar_path,
+          '-Ddebug.internal.errors=true',
+          '-Ddebug.semantic.errors=' .. tostring(config.apex_enable_semantic_errors or false),
+          '-Ddebug.completion.statistics=' .. tostring(config.apex_enable_completion_statistics or false),
+          '-Dlwc.typegeneration.disabled=true',
+        }
+        if config.apex_jvm_max_heap then
+          table.insert(config.cmd, '-Xmx' .. config.apex_jvm_max_heap)
+        end
+        table.insert(config.cmd, 'apex.jorje.lsp.ApexLanguageServerLauncher')
+      end
+    end,
+  },
+  docs = {
+    description = [[
+https://github.com/forcedotcom/salesforcedx-vscode
+
+Language server for Apex.
+
+For manual installation, download the JAR file from the [VSCode
+extension](https://github.com/forcedotcom/salesforcedx-vscode/tree/develop/packages/salesforcedx-vscode-apex).
+
+```lua
+require'lspconfig'.apex_ls.setup {
+  apex_jar_path = '/path/to/apex-jorje-lsp.jar',
+  apex_enable_semantic_errors = false, -- Whether to allow Apex Language Server to surface semantic errors
+  apex_enable_completion_statistics = false, -- Whether to allow Apex Language Server to collect telemetry on code completion usage
+}
+```
+]],
+    default_config = {
+      root_dir = [[root_pattern('sfdx-project.json')]],
+    },
+  },
+}