chore: cleanup asts before exiting

Author: BobrImperator

packages/codemods/src/cli/index.ts

@@ -19,4 +19,3 @@ createListCommand(program);
 program.showHelpAfterError();
 
 await program.parseAsync(process.argv);
-await new Promise((resolve) => setTimeout(resolve, 5000));

packages/codemods/src/schema-migration/codemod.ts

@@ -149,6 +149,17 @@ export class Codemod {
     this.entityRegistry = new Map();
   }
 
+  releaseASTs() {
+    for (const parsed of this.input.parsedModels.values()) {
+      (parsed as { ast: unknown; root: unknown }).ast = null;
+      (parsed as { ast: unknown; root: unknown }).root = null;
+    }
+    for (const parsed of this.input.parsedMixins.values()) {
+      (parsed as { ast: unknown; root: unknown }).ast = null;
+      (parsed as { ast: unknown; root: unknown }).root = null;
+    }
+  }
+
   findMixinsUsedByModels() {
     const result = analyzeModelMixinUsage(this, this.finalOptions);
     linkEntities(this.entityRegistry, result.modelToMixinsMap);

packages/codemods/src/schema-migration/tasks/migrate.ts

@@ -468,6 +468,11 @@ export async function runMigration(options: MigrateOptions): Promise<void> {
     log,
   });
 
+  // Release AST references so native tree-sitter trees are finalized
+  // individually by GC rather than all at once during process exit,
+  // which causes a stack overflow in tree-sitter's recursive destructor.
+  codemod.releaseASTs();
+
   // Aggregate all skipped files from every phase
   const allSkipped: SkippedFile[] = [...codemod.input.skipped, ...results.skipped];