emacs-29 ab126284081: Fix typescript-ts-mode indentation for switch statements

[Eli Zaretskii]

branch: emacs-29
commit ab126284081cd1f6a3317dc1e94636bf17af2375
Author: nverno <noah.v.peart@gmail.com>
Commit: Eli Zaretskii <eliz@gnu.org>

    Fix typescript-ts-mode indentation for switch statements
    
    * lisp/progmodes/typescript-ts-mode.el (typescript-ts-mode): Add
    indentation rule for switch case and default keywords.  (Bug#67488)
---
 lisp/progmodes/typescript-ts-mode.el                    |  3 +++
 .../progmodes/typescript-ts-mode-resources/indent.erts  | 17 +++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/lisp/progmodes/typescript-ts-mode.el 
b/lisp/progmodes/typescript-ts-mode.el
index a2b16d1beea..0fbac709c63 100644
--- a/lisp/progmodes/typescript-ts-mode.el
+++ b/lisp/progmodes/typescript-ts-mode.el
@@ -107,6 +107,9 @@ Argument LANGUAGE is either `typescript' or `tsx'."
      ((parent-is "member_expression") parent-bol 
typescript-ts-mode-indent-offset)
      ((parent-is "named_imports") parent-bol typescript-ts-mode-indent-offset)
      ((parent-is "statement_block") parent-bol 
typescript-ts-mode-indent-offset)
+     ((or (node-is "case")
+          (node-is "default"))
+      parent-bol typescript-ts-mode-indent-offset)
      ((parent-is "switch_case") parent-bol typescript-ts-mode-indent-offset)
      ((parent-is "switch_default") parent-bol typescript-ts-mode-indent-offset)
      ((parent-is "type_arguments") parent-bol typescript-ts-mode-indent-offset)
diff --git a/test/lisp/progmodes/typescript-ts-mode-resources/indent.erts 
b/test/lisp/progmodes/typescript-ts-mode-resources/indent.erts
index 20f423259b4..7b6185e0386 100644
--- a/test/lisp/progmodes/typescript-ts-mode-resources/indent.erts
+++ b/test/lisp/progmodes/typescript-ts-mode-resources/indent.erts
@@ -45,6 +45,23 @@ const foo = () => {
 };
 =-=-=
 
+Name: Switch statement
+
+=-=
+const foo = (x: string) => {
+  switch (x) {
+    case "a":
+      console.log(x);
+      return 1;
+    case "b":
+      return 2;
+    case "c":
+    default:
+      return 0;
+  }
+};
+=-=-=
+
 Code:
   (lambda ()
     (setq indent-tabs-mode nil)