Offer non-aligned indentation in lists in js-mode (Bug#27503)

* lisp/progmodes/js.el (js--proper-indentation):
New customization option 'js-indent-align-list-continuation'.
Affects argument lists as well as arrays and object properties.
* test/manual/indent/js-indent-align-list-continuation-nil.js:
Test the change.

1 files changed, 20 insertions, 0 deletions

diff --git a/test/manual/indent/js-indent-align-list-continuation-nil.js b/test/manual/indent/js-indent-align-list-continuation-nil.js
new file mode 100644
index 00000000000..383b2539a26
--- /dev/null
+++ b/test/manual/indent/js-indent-align-list-continuation-nil.js
@@ -0,0 +1,20 @@
+const funcAssignment = function (arg1,
+    arg2,
+    arg3) {
+    return { test: this,
+        which: "would",
+        align: "as well with the default setting"
+    };
+}
+
+function funcDeclaration(arg1,
+    arg2
+) {
+    return [arg1,
+        arg2];
+}
+
+// Local Variables:
+// indent-tabs-mode: nil
+// js-indent-align-list-continuation: nil
+// End: