dsuhinin opened a new pull request, #76018:
URL: https://github.com/apache/airflow/pull/76018
Prototype for the direction discussed in #45290 ("a small PR to test the
outcome").
An array param currently renders as three different widgets depending on
the element type: a multiline textarea for string items, a JSON editor for
number items, a multiselect when `enum`/`examples` are present. The textarea
path also silently converts untyped array elements to strings on submit (`[1,
2, 3]` becomes `["1", "2", "3"]`) and accepts empty entries, while element
validation only exists in the JSON editor and only for numbers and objects.
With this change, arrays with string / number / integer / boolean / untyped
elements share a single chips input:
- Enter (or Tab) adds an element, pasting multiline text adds one chip per
line —
so the "one value per line" entry flow is preserved, no JSON required
- each entry is validated against `items.type` in place; invalid entries
are
rejected with an inline error instead of being submitted
- element types are preserved for untyped arrays
Behaviour before changes:
<img width="911" height="1387" alt="Screenshot 2026-10-29 at 13 02 28"
src="https://github.com/user-attachments/assets/e8d6707a-6f04-41ce-abbf-6527580e7e7a";
/>
New implementation:
<img width="895" height="1237" alt="Screenshot 2026-10-30 at 09 18 40"
src="https://github.com/user-attachments/assets/0a777b6a-630a-44b0-a7fe-9cf2e2f3f688";
/>
<img width="898" height="1246" alt="Screenshot 2026-10-30 at 09 18 59"
src="https://github.com/user-attachments/assets/ef5067d9-a59d-4d2b-b48e-08dd379f1a34";
/>
<img width="898" height="1244" alt="Screenshot 2026-10-30 at 09 19 22"
src="https://github.com/user-attachments/assets/f855412e-f7dc-4437-9694-b62b341d5f65";
/>
<img width="897" height="1242" alt="Screenshot 2026-10-30 at 09 19 31"
src="https://github.com/user-attachments/assets/671d4753-05a0-470f-9f98-34ad2823e158";
/>
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