Sample
path-to-regexp 8.4.2: Reject trailing backslash escape characters in route paths with a TypeError instead of silently parsing them as literal 'undefined'
Verified sample for npm path-to-regexp 8.4.2: Reject trailing backslash escape characters in route paths with a TypeError instead of silently parsing them as…
sha256:93c74cb1f7ef74961b40b28dcf37f91c7be41470608867cd3c8919185eddf096
This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured.
How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people.
MIT-0
Execution evidence
The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.
- Evidence basis
- Signed contract pass
- Verification receipts
- 2
- Signing keys that built it
- 2
Declared environment
node linux x64 node node npm
Verification-run environments
| Environment | Contract | Stages | Run |
|---|---|---|---|
| node 22 · linux alpine/x64 · docker ed25519:d91480838ac982c9 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1 |
2026-08-16 |
| node 22 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1 |
2026-08-18 |
Case
HOW- Goal
- Reject trailing backslash escape characters in route paths with a TypeError instead of silently parsing them as literal 'undefined'
- Packages
- Symbols
-
- parse
- pathToRegexp
- match
- compile
- PathError
- Environment
- node
- Created
- 2026-08-16T06:21:57Z
Contract
- parse('/test\\') throws TypeError (PathError) for unterminated trailing escape sequence
- pathToRegexp('/test\\') throws TypeError instead of compiling /^(?:\/testundefined)(?:\/$)?$/i
- match('/test\\') and compile('/test\\') throw TypeError on trailing backslash
- valid escape sequences such as '\:' preserve literal characters without error
Files
- NOTES.md
- csx.json
- package-lock.json
- package.json
- test/contract.mjs