Improve list indentation for elixir-ts-mode

* lisp/progmodes/elixir-ts-mode.el:
(elixir-ts--argument-indent-offset): Add empty line check.
(elixir-ts--argument-indent-anchor): Change ERROR offset.
* test/lisp/progmodes/elixir-ts-mode-resources/indent.erts:
Add test.

1 files changed, 19 insertions, 1 deletions

diff --git a/test/lisp/progmodes/elixir-ts-mode-resources/indent.erts b/test/lisp/progmodes/elixir-ts-mode-resources/indent.erts
index ea5d9e62240..9ad604e5198 100644
--- a/test/lisp/progmodes/elixir-ts-mode-resources/indent.erts
+++ b/test/lisp/progmodes/elixir-ts-mode-resources/indent.erts
@@ -1,6 +1,5 @@
 Code:
   (lambda ()
-    (setq indent-tabs-mode nil)
     (elixir-ts-mode)
     (indent-region (point-min) (point-max)))
 
@@ -330,3 +329,22 @@ defmodule Foo do
   end
 end
 =-=-=
+
+Code:
+  (lambda ()
+    (elixir-ts-mode)
+    (newline)
+    (indent-for-tab-command))
+
+Name: New list item
+
+=-=
+[
+  :foo,$
+]
+=-=
+[
+  :foo,
+  $
+]
+=-=-=