stage1: replace $ in JS names with _

Author: yeputons

stage1/main.cpp

@@ -39,6 +39,7 @@ std::string CppifyName(ts::Symbol jsymSymbol) noexcept {
 	tc::for_each(
 		tc::transform(strSourceName, [&](char c) noexcept {
 			if ('-' == c) return '_';
+			if ('$' == c) return '_';
 			if ('_' == c) return c;
 			if ('a' <= c && c <= 'z') return c;
 			if ('A' <= c && c <= 'Z') return c;

stage1/tests/compile-module/MyLib.d.ts

@@ -82,6 +82,11 @@ declare namespace Foo {
     class ClassWithDefaultConstructor {
         a: ConstructibleClass;
     }
+
+    class WeirdNames {
+        default: number;
+        "$foo": number;
+    }
 }
 
 export = Foo;