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Description
Currently, z.string().url() does not catch malformed URLs such as https://https://example.com.
These are technically invalid, but they still pass validation.
To work around this, I had to use a custom refine() with a URL parser and an additional scheme check.
Here's the custom validation I implemented:
const isValidUrl = (url: string): boolean => {
const schemeMatches = url.match(/https?:\/\//g);
if (schemeMatches && schemeMatches.length > 1) return false;
try {
new URL(url);
return true;
} catch {
return false;
}
};
const noticeUrlSchema = z
.string()
.trim()
.refine(url => isValidUrl(url), {
message: 'Invalid URL format',
})
.optional();Metadata
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