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refactor(router-core): decodePath fast path when no encoded chars #6504

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Merged
Sheraff merged 2 commits into from
Jan 25, 2026
+10 −0
Merged

refactor(router-core): decodePath fast path when no encoded chars #6504

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refactor(router-core): decodePath fast path when no encoded chars
Sheraff Jan 25, 2026
e30a1fb
ci: apply automated fixes
autofix-ci[bot] Jan 25, 2026
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10 changes: 10 additions & 0 deletions packages/router-core/src/utils.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -595,6 +595,16 @@ export function escapeHtml(str: string): string {

export function decodePath(path: string, decodeIgnore?: Array<string>): string {
if (!path) return path

// Fast path: most paths are already decoded and safe.
// Only fall back to the slower scan/regex path when we see a '%' (encoded),
// a backslash (explicitly handled), a control character, or a protocol-relative
// prefix which needs collapsing.
// eslint-disable-next-line no-control-regex
if (!/[%\\\x00-\x1f\x7f]/.test(path) && !path.startsWith('//')) {
return path
}

const re = decodeIgnore
? new RegExp(`${decodeIgnore.join('|')}`, 'gi')
: /%25|%5C/gi
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