feat: allowing extension point for lsp specific actions

README.md

@@ -138,6 +138,16 @@ elixir.setup {
     -- not currently supported by elixirls, but can be a table if you wish to pass other args `{"path/to/elixirls", "--foo"}`
     cmd = "/usr/local/bin/elixir-ls.sh",
 
+	-- extension point to link in to server specific commands
+	-- by default, the codelens action below runs a default test runner in a terminal buffer 
+	-- replacing it as shown here will override default behavior, allow running a custom function instead
+	-- `args` are anything the lsp command passes back to the callback function
+	commands = {
+      ["elixir.lens.test.run"] = function(args)
+	    -- custom functionality here as needed
+	  end
+	},
+
     -- default settings, use the `settings` function to override settings
     settings = elixirls.settings {
       dialyzerEnabled = true,

lua/elixir/elixirls/init.lua

@@ -318,12 +318,15 @@ function M.setup(opts)
 
     if root_dir then
       local log_message = vim.lsp.handlers["window/logMessage"]
+
+      local commands = vim.tbl_extend("force", {
+        ["elixir.lens.test.run"] = test,
+      }, opts.commands or {})
+
       vim.lsp.start(vim.tbl_extend("keep", {
         name = "ElixirLS",
         cmd = opts.cmd and wrap_in_table(opts.cmd) or { tostring(cmd) },
-        commands = {
-          ["elixir.lens.test.run"] = test,
-        },
+        commands = commands,
         settings = opts.settings or M.settings {},
         capabilities = opts.capabilities or capabilities,
         root_dir = root_dir,