CodeSampleX

Sample

@types/prop-types 15.7.15: name

Verified sample for npm @types/prop-types 15.7.15: name. The contract ran on node 22 · linux debian/x64 · docker and passed: @types/prop-types package.json…

sha256:dd4146aafd9f35500769fa75b06a3b406f529aecfd1673c5efc15fc58317d208

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 linux 24 · ubuntu · glibc 2.39 x64 npm

Verification-run environments

Environment Contract Stages Run
node 22 · linux debian/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22@sha256:8a34c4ab3ea2…
2026-09-05

Case

HOW
Goal
verify @types/prop-types.name in pkg:npm/%40types/prop-types@15.7.15
Packages
Symbols
  • @types/prop-types.name
Created
2026-09-05T22:13:36Z

Contract

  1. @types/prop-types package.json defines name property as @types/prop-types
  2. @types/prop-types package.json name matches npm package scope and name @types/prop-types
  3. @types/prop-types package.json declares type definitions entry point index.d.ts
  4. @types/prop-types package resolves and exports TypeScript definitions under the package name @types/prop-types

Files

  • PROMPT.md
  • csx.json
  • package-lock.json
  • package.json
  • spec.json
  • test/contract.mjs

Download the source artifact (tar.gz)

Source

PROMPT.md
Clean-room public code sample — generation instructions

Write a brand-new, minimal, self-contained code sample in this clean-room directory.
Do not copy, paraphrase, or reference any existing project source. Work only from this spec.

A csx.json manifest scaffold already exists. Do not recreate it from memory. Preserve its case.goal, packages and symbols; fill its empty case.contract with exact assertions and correct its environment, commands and verifierAdapter for the files you generate.

Goal: verify @types/prop-types.name in pkg:npm/%40types/prop-types@15.7.15
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40types/prop-types@15.7.15
Demonstrate these symbols/APIs:
  - @types/prop-types.name

Rules:
  - One focused purpose; the smallest project that proves the goal.
  - Include a contract test (test/contract.*) that runs OFFLINE and exits 0 exactly when the goal behavior works.
  - Pin every dependency with a lockfile so resolution is reproducible.
  - No secrets, credentials, or tokens. No real URLs (only example.com or localhost). No absolute paths.
  - No personal names, emails, company names, or project identifiers of any kind.
  - No binaries and no generated output (node_modules, dist, target, venv, .git, .env).
  - Keep it under 200 files and 256KB packed.
csx.json
{"case":{"caseId":"case:sha256:064849819bc10efc4bd3ba31b68dee4447ec2067bf3edc2b56c7e477edf614d3","contract":["@types/prop-types package.json defines name property as @types/prop-types","@types/prop-types package.json name matches npm package scope and name @types/prop-types","@types/prop-types package.json declares type definitions entry point index.d.ts","@types/prop-types package resolves and exports TypeScript definitions under the package name @types/prop-types"],"goal":"verify @types/prop-types.name in pkg:npm/%40types/prop-types@15.7.15","kind":"HOW","packages":["pkg:npm/%40types/prop-types@15.7.15"],"schemaVersion":1,"symbols":["@types/prop-types.name"]},"contractCommand":["node","test/contract.mjs"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","libc":"glibc","libcVersion":"2.39","os":"linux","osVersionBucket":"24","packageManager":"npm","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/%40types/prop-types@15.7.15"],"schemaVersion":1,"subject":"pkg:npm/%40types/prop-types@15.7.15","symbols":["@types/prop-types.name"],"verifierAdapter":"node-typescript@1"}
package-lock.json
{
  "name": "sample-types-prop-types-name",
  "version": "1.0.0",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "sample-types-prop-types-name",
      "version": "1.0.0",
      "license": "MIT-0",
      "dependencies": {
        "@types/prop-types": "15.7.15"
      }
    },
    "node_modules/@types/prop-types": {
      "version": "15.7.15",
      "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.15.tgz",
      "integrity": "sha512-F6bEyamV9jKGAFBEmlQnesRPGOQqS2+Uwi0Em15xenOxHaf2hv6L8YCVn3rPdPJOiJfPiCnLIRyvwVaqMY3MIw==",
      "license": "MIT"
    }
  }
}
package.json
{
  "name": "sample-types-prop-types-name",
  "version": "1.0.0",
  "type": "module",
  "private": true,
  "license": "MIT-0",
  "dependencies": {
    "@types/prop-types": "15.7.15"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify @types/prop-types.name in pkg:npm/%40types/prop-types@15.7.15",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40types/prop-types@15.7.15"
  ],
  "symbols": [
    "@types/prop-types.name"
  ]
}
test/contract.mjs
import assert from 'node:assert/strict';
import fs from 'node:fs';
import { createRequire } from 'node:module';

const require = createRequire(import.meta.url);

// 1. @types/prop-types package.json defines name property as @types/prop-types
const pkgJson = require('@types/prop-types/package.json');
assert.equal(pkgJson.name, '@types/prop-types');
assert.equal(typeof pkgJson.name, 'string');

// 2. @types/prop-types package.json name matches npm package scope and name @types/prop-types
assert.ok(pkgJson.name.startsWith('@types/'));
const [scope, unscopedName] = pkgJson.name.split('/');
assert.equal(scope, '@types');
assert.equal(unscopedName, 'prop-types');

// 3. @types/prop-types package.json declares type definitions entry point index.d.ts
assert.equal(pkgJson.types, 'index.d.ts');
assert.equal(pkgJson.version, '15.7.15');

// 4. @types/prop-types package resolves and exports TypeScript definitions under the package name @types/prop-types
const indexDtsPath = require.resolve('@types/prop-types/index.d.ts');
assert.ok(fs.existsSync(indexDtsPath));
const indexDtsContent = fs.readFileSync(indexDtsPath, 'utf8');
assert.ok(indexDtsContent.includes('export = PropTypes;'));
assert.ok(indexDtsContent.includes('declare namespace PropTypes {'));

console.log('All contract tests passed.');

Origin Seeder

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