Dictionary: Serialize empty dict as `{}` instead of `{\n}`

Also make sure to always convert multiline dictionaries to a single line for
its EditorHelp representation, as multiline values break formatting.

1 files changed, 5 insertions, 4 deletions

diff --git a/core/variant/variant_parser.cpp b/core/variant/variant_parser.cpp
index 571181f665..57875bf50f 100644
--- a/core/variant/variant_parser.cpp
+++ b/core/variant/variant_parser.cpp
@@ -1649,12 +1649,13 @@ Error VariantWriter::write(const Variant &p_variant, StoreStringFunc p_store_str
 				dict.get_key_list(&keys);
 				keys.sort();
 
+				if (keys.is_empty()) { // Avoid unnecessary line break.
+					p_store_string_func(p_store_string_ud, "{}");
+					break;
+				}
+
 				p_store_string_func(p_store_string_ud, "{\n");
 				for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
-					/*
-					if (!_check_type(dict[E->get()]))
-						continue;
-					*/
 					write(E->get(), p_store_string_func, p_store_string_ud, p_encode_res_func, p_encode_res_ud, recursion_count);
 					p_store_string_func(p_store_string_ud, ": ");
 					write(dict[E->get()], p_store_string_func, p_store_string_ud, p_encode_res_func, p_encode_res_ud, recursion_count);