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fix(opencode): decode uppercase base64 markers - #47585
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Issue for this PR
Closes #47583
Type of change
What does this PR do?
The text data-URL decoder only recognized the lowercase substring
;base64, so uppercase markers exposed the encoded payload as text. This change checks semicolon-delimited metadata for an exactbase64token case-insensitively, matching the Fetch data-URL processor and avoiding prefix matches such asbase64x. A regression test covers the uppercase marker.How did you verify your code works?
From
packages/opencodeat reduced process priority:bun test --timeout 30000 test/util/data-url.test.ts— 3 tests passedbun typecheck— started but stopped locally after several minutes to avoid resource contention; no diagnostic was emitted before cancellationScreenshots / recordings
Not applicable. This changes data-URL decoding logic without changing the rendered UI.
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