Fixes #6741 (#7131)

lib/system/reprjs.nim

@@ -35,7 +35,7 @@ proc isUndefined[T](x: T): bool {.inline.} = {.emit: "`result` = `x` === undefin
 
 proc reprEnum(e: int, typ: PNimType): string {.compilerRtl.} =
   if not typ.node.sons[e].isUndefined:
-    result = $typ.node.sons[e].name
+    result = makeNimstrLit(typ.node.sons[e].name)
   else:
     result = $e & " (invalid data!)"
 

tests/js/trepr.nim

@@ -77,6 +77,12 @@ block enums:
   doAssert(repr(heB) == "heB")
   doAssert(repr(heC) == "heC")
 
+block emums_and_unicode: #6741
+  type K = enum Kanji = "漢字"
+  let kanji = Kanji
+  doAssert(kanji == Kanji, "Enum values are not equal")
+  doAssert($kanji == $Kanji, "Enum string values are not equal")
+
 block chars:
   let
     a = 'a'