Sample
map string index offset to line and column location and index for location
sha256:0102bb8ffef38a61c81460b46dd47e1be569f701ff072f1500af5f6369bffb4c
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
- 1
- Signing keys that built it
- 1
Declared environment
node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10
Verification-run environments
| Environment | Contract | Stages | Run |
|---|---|---|---|
| node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1node:22-alpine@sha256:c610fcdfb1d5… |
2026-08-23 |
Case
HOW- Goal
- map string index offset to line and column location and index for location
- Packages
- Symbols
-
- LinesAndColumns
- LinesAndColumns.indexForLocation
- LinesAndColumns.locationForIndex
- Environment
- node 22.23.2
- Created
- 2026-08-23T15:26:05Z
Contract
- assert LinesAndColumns.locationForIndex maps 0-based character offset to { line, column } location
- assert LinesAndColumns.locationForIndex returns null for negative offset or offset beyond string length
- assert LinesAndColumns.indexForLocation maps { line, column } location to character offset
- assert LinesAndColumns.indexForLocation returns null for out-of-bounds line or column
- assert LinesAndColumns handles LF, CR, and CRLF line endings with round-trip location-to-index fidelity
Files
- PROMPT.md
- csx.json
- index.js
- package-lock.json
- package.json
- spec.json
- test/contract.mjs
Origin Seeder
anonymous