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rsnext/errors/invalid-relative-url-external-as.md
JJ Kasper 8b803d79a9
Update error when internal href and external as are used (#20658) 
* Update error when internal href and external as are used

* Update to handle error outside invariant

* Update err.sh components
2021-01-01 12:14:42 -06:00

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Invalid relative href and external as values

Why This Error Occurred

Somewhere you are utilizing the next/link component, Router#push, or Router#replace with a relative route in your href that has an external as value. The as value must be relative also or only href should be used with an external URL.

Note: this error will only show when the next/link component is clicked not when only rendered.

Incompatible href and as

import Link from 'next/link'

export default function Page(props) {
  return (
    <>
      <Link href="/invalid" as="mailto:john@example.com">
        <a>Invalid link</a>
      </Link>
    </>
  )
}

Compatible href and as

import Link from 'next/link'

export default function Page(props) {
  return (
    <>
      <Link href="mailto:john@example.com">
        <a>Invalid link</a>
      </Link>
    </>
  )
}

Possible Ways to Fix It

Look for any usage of the next/link component, Router#push, or Router#replace and make sure that the provided href and as values are compatible

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