Flatten generated TypeScript definitions (#1872)

BREAKING: Generated TypeScript definitions for WebAssembly modules are now flat, that is do not `export default ASModule` anymore, but the module members directly, with the `ASModule` namespace removed.

Author: dcodeIO

src/definitions.ts

@@ -605,33 +605,28 @@ export class TSDBuilder extends ExportsWalker {
   build(): string {
     var sb = this.sb;
     var isWasm64 = this.program.options.isWasm64;
-    sb.push("declare module ASModule {\n");
-    sb.push("  type i8 = number;\n");
-    sb.push("  type i16 = number;\n");
-    sb.push("  type i32 = number;\n");
-    sb.push("  type i64 = bigint;\n");
+    sb.push("type i8 = number;\n");
+    sb.push("type i16 = number;\n");
+    sb.push("type i32 = number;\n");
+    sb.push("type i64 = bigint;\n");
     if (isWasm64) {
-      sb.push("  type isize = bigint;\n");
+      sb.push("type isize = bigint;\n");
     } else {
-      sb.push("  type isize = number;\n");
+      sb.push("type isize = number;\n");
     }
-    sb.push("  type u8 = number;\n");
-    sb.push("  type u16 = number;\n");
-    sb.push("  type u32 = number;\n");
-    sb.push("  type u64 = bigint;\n");
+    sb.push("type u8 = number;\n");
+    sb.push("type u16 = number;\n");
+    sb.push("type u32 = number;\n");
+    sb.push("type u64 = bigint;\n");
     if (isWasm64) {
-      sb.push("  type usize = bigint;\n");
+      sb.push("type usize = bigint;\n");
     } else {
-      sb.push("  type usize = number;\n");
+      sb.push("type usize = number;\n");
     }
-    sb.push("  type f32 = number;\n");
-    sb.push("  type f64 = number;\n");
-    sb.push("  type bool = boolean | number;\n");
-    ++this.indentLevel;
+    sb.push("type f32 = number;\n");
+    sb.push("type f64 = number;\n");
+    sb.push("type bool = boolean | number;\n");
     this.walk();
-    --this.indentLevel;
-    sb.push("}\n");
-    sb.push("export default ASModule;\n");
     return this.sb.join("");
   }
 }

src/index.ts

@@ -299,10 +299,6 @@ export * from "./program";
 export * from "./resolver";
 export * from "./tokenizer";
 export * from "./types";
-// TODO: When vTables are pulled, perhaps it would be better to extend an ASTWalker
 export * from "./extra/ast";
 import * as util from "./util/index";
 export { util };
-
-// TODO: compat with 0.9, remove with 0.10
-export * from "./util/index";