Fix: do not encode slashes in catch-all routes #2291
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This applies to all custom regex routes which match a slash or contain one in their literal part fixes vuejs#1638
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ll3006
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Aug 1, 2024
The patched version fixes the issue where url parameters specified with catch-all regex url-encode the slash character. The patched version correctly handles this case while also preserving encoding on standard parameters. A PR for this patch has been submitted upstream [here](vuejs/router#2291). TODO: if this is merged, switch to npm registry version
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This fixes #1638
Encoding of the parameters is now done by the matcher and is dependend on the matcher keys: every key has a keepSlash property that reflects if it should encode the slash character or not.
The keepSlash currently applies to all custom regex that either match a slash or contain one in their literal part, excluding lookaheads, lookbehinds and negative ranges. This is very simplistic but should be enough to cover both catch-all (e.g. "(.*)" routes) and explicit path regexes (e.g. "(deep/path/[a-z]*/)" )
I have also added a few tests to ensure everyting is working properly.
The Router > 'can redirect to a star route when encoding the param' test is currently failing as it sets a parameter with an urlencoded slash (%2F) and expects to find it as it is in the route. However, since this PR allows literal slashes in star routes, the actual url contains the sequence as a literal (%252F) rather than keeping the escaped slash.
I could edit the test, but I am unsure if this is behaivour that is being relied upon. In case it is, more work is needed to distinguish user-set urlencoded path segments from the normal usecase.
To test this PR I have updated the sandbox from #1638 here: codesandbox.io