(airflow) branch v3-1-test updated: [v3-1-test] BUGFIX: trigger ui parameter field is dict when param.value is null (#58682) (#58899)

[pierrejeambrun]

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pierrejeambrun pushed a commit to branch v3-1-test
in repository https://gitbox.apache.org/repos/asf/airflow.git


The following commit(s) were added to refs/heads/v3-1-test by this push:
     new 7f120a5be8f [v3-1-test] BUGFIX: trigger ui parameter field is dict 
when param.value is null (#58682) (#58899)
7f120a5be8f is described below

commit 7f120a5be8ff9c96f1645303018b290a22ec8852
Author: github-actions[bot] 
<41898282+github-actions[bot]@users.noreply.github.com>
AuthorDate: Mon Dec 1 16:33:36 2025 +0100

    [v3-1-test] BUGFIX: trigger ui parameter field is dict when param.value is 
null (#58682) (#58899)
    
    * return 'null' when param.value is null, rather than typeof(null)
    
    * added 'null' to list of enum types
    (cherry picked from commit 0adfc5bd7c82e03773627f8116db90bf669f8866)
    
    Co-authored-by: Tomi <74303735+tomi-1...@users.noreply.github.com>
---
 .../src/airflow/ui/src/components/FlexibleForm/FieldSelector.tsx   | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git 
a/airflow-core/src/airflow/ui/src/components/FlexibleForm/FieldSelector.tsx 
b/airflow-core/src/airflow/ui/src/components/FlexibleForm/FieldSelector.tsx
index 7dcd092615d..30586aad1a5 100644
--- a/airflow-core/src/airflow/ui/src/components/FlexibleForm/FieldSelector.tsx
+++ b/airflow-core/src/airflow/ui/src/components/FlexibleForm/FieldSelector.tsx
@@ -47,6 +47,11 @@ const inferType = (param: ParamSpec) => {
     return "array";
   }
 
+  // Missing value, return 'null' as typeof(null) = 'dict'
+  if (param.value === null) {
+    return "null";
+  }
+
   return typeof param.value;
 };
 
@@ -61,7 +66,7 @@ const isFieldDate = (fieldType: string, fieldSchema: 
ParamSchema) =>
 const isFieldDateTime = (fieldType: string, fieldSchema: ParamSchema) =>
   fieldType === "string" && fieldSchema.format === "date-time";
 
-const enumTypes = ["string", "number", "integer"];
+const enumTypes = ["null", "string", "number", "integer"];
 
 const isFieldDropdown = (fieldType: string, fieldSchema: ParamSchema) =>
   enumTypes.includes(fieldType) && Array.isArray(fieldSchema.enum);