fix: Properly skip duplicate class id exports (#2065)

dcodeIO · web-flow · commit c56a7f560160 · 2021-09-11T15:24:07.000+02:00
diff --git a/src/compiler.ts b/src/compiler.ts
@@ -948,7 +948,11 @@ export class Compiler extends DiagnosticEmitter {
             module.addGlobal(internalName, TypeRef.I32, false, module.i32(classInstance.id));
             this.doneModuleExports.add(element);
           }
-          module.addGlobalExport(internalName, prefix + name);
+
+          let exportName = prefix + name;
+          if (!module.hasExport(exportName)) {
+            module.addGlobalExport(internalName, exportName);
+          }
         }
         break;
       }

Original file line number	Diff line number	Diff line change
`@@ -948,7 +948,11 @@ export class Compiler extends DiagnosticEmitter {`
`948`	`948`	`module.addGlobal(internalName, TypeRef.I32, false, module.i32(classInstance.id));`
`949`	`949`	`this.doneModuleExports.add(element);`
`950`	`950`	`}`
`951`		`- module.addGlobalExport(internalName, prefix + name);`
	`951`	`+`
	`952`	`+ let exportName = prefix + name;`
	`953`	`+ if (!module.hasExport(exportName)) {`
	`954`	`+ module.addGlobalExport(internalName, exportName);`
	`955`	`+ }`
`952`	`956`	`}`
`953`	`957`	`break;`
`954`	`958`	`}`