fix(misc): extacting base eslint config should be resilient from unsu…

…pported format
nrwl · Sep 11, 2024 · 94af427 · 94af427
1 parent 86e4a5d
commit 94af427
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/packages/eslint/src/generators/utils/flat-config/ast-utils.ts b/packages/eslint/src/generators/utils/flat-config/ast-utils.ts
@@ -388,6 +388,12 @@ export function addBlockToFlatConfigExport(
       return node.expression.right.elements;
     }
   });
+
+  // The config is not in the format that we generate with, skip update.
+  // This could happen during `init-migration` when extracting config from the base, but
+  // base config was not generated by Nx.
+  if (!exportsArray) return content;
+
   const insert = printer.printNode(ts.EmitHint.Expression, config, source);
   if (options.insertAtTheEnd) {
     const index =
@@ -566,7 +572,7 @@ export function removeCompatExtends(
     ts.ScriptKind.JS
   );
   const changes: StringChange[] = [];
-  findAllBlocks(source).forEach((node) => {
+  findAllBlocks(source)?.forEach((node) => {
     if (
       ts.isSpreadElement(node) &&
       ts.isCallExpression(node.expression) &&
@@ -629,7 +635,7 @@ export function removePredefinedConfigs(
   );
   const changes: StringChange[] = [];
   let removeImport = true;
-  findAllBlocks(source).forEach((node) => {
+  findAllBlocks(source)?.forEach((node) => {
     if (
       ts.isSpreadElement(node) &&
       ts.isElementAccessExpression(node.expression) &&