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fix: Fix URL Parameter Loss When Request.URL.Path is Rewritten #10

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fix: Fix URL Parameter Loss When Request.URL.Path is Rewritten #10

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14 changes: 14 additions & 0 deletions fix.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
package fix

import "net/url"

// FixURLParameterLoss preserves URL parameters when path is rewritten
// by cloning the original query values before modification.
func PreserveQueryParams(originalURL *url.URL) url.Values {
params := make(url.Values)
for k, v := range originalURL.Query() {
params[k] = make([]string, len(v))
copy(params[k], v)
}
return params
}