Use RCT_SCRIPT_OUTPUT_DIR env var to find autolinking.json output too

Author: kitten

packages/react-native/scripts/codegen/generate-artifacts-executor/utils.js

@@ -100,20 +100,28 @@ function cleanupEmptyFilesAndFolders(filepath /*: string */) {
 function readGeneratedAutolinkingOutput(
   baseOutputPath /*: string */,
 ) /*: $FlowFixMe */ {
-  // NOTE: Generated by scripts/cocoapods/autolinking.rb in list_native_modules (called by use_native_modules)
-  const autolinkingGeneratedPath = path.resolve(
+  const outputPathCandidates = [
+    // The `outputDir` may not be set correctly if it's set to the a temporary output directory
+    process.env.RCT_SCRIPT_OUTPUT_DIR,
+    // NOTE: Generated by scripts/cocoapods/autolinking.rb in list_native_modules (called by use_native_modules)
     baseOutputPath,
-    'build/generated/autolinking/autolinking.json',
-  );
-  if (fs.existsSync(autolinkingGeneratedPath)) {
-    // $FlowFixMe[unsupported-syntax]
-    return require(autolinkingGeneratedPath);
-  } else {
-    codegenLog(
-      `Could not find generated autolinking output at: ${autolinkingGeneratedPath}`,
-    );
-    return null;
+  ];
+  for (const outputPathCandidate of outputPathCandidates) {
+    if (outputPathCandidate) {
+      const autolinkingGeneratedPath = path.resolve(
+        outputPathCandidate,
+        'build/generated/autolinking/autolinking.json',
+      );
+      if (fs.existsSync(autolinkingGeneratedPath)) {
+        // $FlowFixMe[unsupported-syntax]
+        return require(autolinkingGeneratedPath);
+      }
+      codegenLog(
+        `Could not find generated autolinking output at: ${autolinkingGeneratedPath}`,
+      );
+    }
   }
+  return null;
 }
 
 function readReactNativeConfig(