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Fix double decoding of query parameters in qss.ts #4300
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Merged
SeanCassiere
merged 1 commit into
TanStack:main
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vcarel:fix/decoding-double-encoded-queries
Jun 3, 2025
Merged
Fix double decoding of query parameters in qss.ts #4300
SeanCassiere
merged 1 commit into
TanStack:main
from
vcarel:fix/decoding-double-encoded-queries
Jun 3, 2025
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Related Package
router-core
Issue
#4294
Navigating to URLs with percent-encoded query values (e.g.
/?foo=bar%2540domain.com
) results in double decoding. Instead of decoding once tobar%40domain.com
, the router produces[email protected]
, breaking use cases where encoded characters are expected to persist after the initial decode.Root Cause
In
qss.ts
, query parameters were being decoded twice:Once implicitly by the
URLSearchParams
constructor.A second time manually via
decodeURIComponent
.Fix
Removed the redundant
decodeURIComponent
call to ensure that each parameter is decoded exactly once, matching expected behavior.