fix: generatePath incorrectly applying parameters #9051 #10078
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generatePath was doing multiple passes on the `path` using string replace, the first two passes were applying parameters, the third pass was doing a cleanup and the fourth path was applying the `splat`.
It was possible to get incorrect results while applying `splat` when the last parameter value ended with `*`:
```ts
const path = generatePath("/route/:name", {
name: encodeURIComponent("includes *asterisk at the end*"),
})
```
```
Expected: "/route/includes *asterisk at the end*"
Received: "/route/includes *asterisk at the end"
```
results of the first two passes return the value of `/route/*asterisk at the end*` which was later treated as path with the splat resulting in the last asterisk removed.
it was also possible to inject the splat value unintentionally
```ts
generatePath("/courses/:name", { name: "foo*", "*": "splat_should_not_be_added" })
```
```
Expected: "/courses/foo*"
Received: "/courses/foosplat_should_not_be_added"
```
A safer option, instead of mutating a global path multiple times, is to split the path into segments, process each segment in isolation and then join them back together.
fixes remix-run#9051
paramName for the splat wasn't correctly resolved when the pas is `/*`
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Thank you for signing the Contributor License Agreement. Let's get this merged! 🥳 |
The changeset is there, I added it and rebased. I guess the bot does not handle rebases well :) |
Thanks for this! I've actually got this approach sitting in a stash somewhere 😂 |
generatePath was doing multiple passes on the
pathusing string replace, the first two passes were applying parameters, the third pass was doing a cleanup and the fourth path was applying thesplat. It was possible to get incorrect results while applyingsplatwhen the last parameter value ended with*:results of the first two passes return the value of
/route/*asterisk at the end*which was later treated as path with the splat resulting in the last asterisk removed.it was also possible to inject the splat value unintentionally
A safer option, instead of mutating a global path multiple times, is to split the path into segments, process each segment in isolation and then join them back together.
fixes #9051