Index: pkg/barback/lib/src/phase_input.dart |
diff --git a/pkg/barback/lib/src/phase_input.dart b/pkg/barback/lib/src/phase_input.dart |
index 7ba6c20562f072395b36223de921d9ae119cc77c..45bc807d1d5cc5c6e49057d650203eb81c23a458 100644 |
--- a/pkg/barback/lib/src/phase_input.dart |
+++ b/pkg/barback/lib/src/phase_input.dart |
@@ -135,7 +135,7 @@ class PhaseInput { |
if (brandNewTransformers.isEmpty) return; |
brandNewTransformers.forEach(_transformers.add); |
- _adjustTransformers(); |
+ if (_adjustTransformersFuture == null) _adjustTransformers(); |
} |
/// Asynchronously determines which transformers can consume [input] as a |