From 9fd55a476025ad7156625310c2b47c1423da83b5 Mon Sep 17 00:00:00 2001
From: Timothee Guerin <tiguerin@microsoft.com>
Date: Thu, 13 Jul 2023 11:52:17 -0400
Subject: [PATCH] Emit source file always return async

---
 packages/compiler/src/config/config-loader.ts | 21 ++++++++++++-------
 .../src/emitter-framework/asset-emitter.ts    |  4 ++--
 .../compiler/src/emitter-framework/types.ts   |  2 +-
 3 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/packages/compiler/src/config/config-loader.ts b/packages/compiler/src/config/config-loader.ts
index 92191851960..8783e9c2fb2 100644
--- a/packages/compiler/src/config/config-loader.ts
+++ b/packages/compiler/src/config/config-loader.ts
@@ -103,7 +103,7 @@ export async function loadTypeSpecConfigFile(
   host: CompilerHost,
   filePath: string
 ): Promise<TypeSpecConfig> {
-  const config = await loadConfigFile(host, filePath, jsyaml.load);
+  const config = await loadConfigFile(host, filePath);
   if (config.diagnostics.length === 0 && config.extends) {
     const extendPath = resolvePath(getDirectoryPath(filePath), config.extends);
     const parent = await loadTypeSpecConfigFile(host, extendPath);
@@ -157,15 +157,22 @@ async function searchConfigFile(
   return stat?.isFile() === true ? pkgPath : undefined;
 }
 
-async function loadConfigFile(
-  host: CompilerHost,
-  filename: string,
-  loadData: (content: string) => any
-): Promise<TypeSpecConfig> {
+async function loadConfigFile(host: CompilerHost, filename: string): Promise<TypeSpecConfig> {
   let diagnostics: Diagnostic[] = [];
   const reportDiagnostic = (d: Diagnostic) => diagnostics.push(d);
 
-  let [data, file] = await loadFile<TypeSpecRawConfig>(host, filename, loadData, reportDiagnostic);
+  let [data, file] = await loadFile<TypeSpecRawConfig>(
+    host,
+    filename,
+    (content) => {
+      return jsyaml.load(content, {
+        listener: (eventType, state) => {
+          console.log("LOaded", eventType, state.result);
+        },
+      }) as any;
+    },
+    reportDiagnostic
+  );
 
   if (data) {
     diagnostics = diagnostics.concat(configValidator.validate(data, file));
diff --git a/packages/compiler/src/emitter-framework/asset-emitter.ts b/packages/compiler/src/emitter-framework/asset-emitter.ts
index 0fa98dd961a..a313d398f82 100644
--- a/packages/compiler/src/emitter-framework/asset-emitter.ts
+++ b/packages/compiler/src/emitter-framework/asset-emitter.ts
@@ -432,8 +432,8 @@ export function createAssetEmitter<T, TOptions extends object>(
       return invokeTypeEmitter("tupleLiteralValues", tuple);
     },
 
-    emitSourceFile(sourceFile) {
-      return typeEmitter.sourceFile(sourceFile);
+    async emitSourceFile(sourceFile) {
+      return await typeEmitter.sourceFile(sourceFile);
     },
   };
 
diff --git a/packages/compiler/src/emitter-framework/types.ts b/packages/compiler/src/emitter-framework/types.ts
index 98bebb8ac37..dcf8bd721a4 100644
--- a/packages/compiler/src/emitter-framework/types.ts
+++ b/packages/compiler/src/emitter-framework/types.ts
@@ -41,7 +41,7 @@ export interface AssetEmitter<T, TOptions extends object = Record<string, unknow
   emitEnumMembers(en: Enum): EmitEntity<T>;
   emitUnionVariants(union: Union): EmitEntity<T>;
   emitTupleLiteralValues(tuple: Tuple): EmitEntity<T>;
-  emitSourceFile(sourceFile: SourceFile<T>): Promise<EmittedSourceFile> | EmittedSourceFile;
+  emitSourceFile(sourceFile: SourceFile<T>): Promise<EmittedSourceFile>;
   /**
    * Create a source file.
    *