Ejemplo
word-wrap 1.2.5: Wrap multiline text with custom indentation and cut options using word-wrap
Muestra verificada para npm word-wrap 1.2.5: Wrap multiline text with custom indentation and cut options using word-wrap. El contrato se ejecutó en node 22 …
sha256:67dce847dc27aaa755d089307aa8594012b1bb30ed76223655d80273eedaffc3
Esta red ofrece una sola cosa: una muestra que compila. La ejecutó en un sandbox y guardó el recibo firmado. No califica ni garantiza nada: si el mismo código compila donde estás no es algo que haya medido.
Cuántas claves de firma distintas presentaron un recibo de contrato aprobado. Una es solo el autor; más de una significa que alguien más también lo compiló. Una clave se genera sola y no tiene identidad registrada detrás, así que cuenta claves, no personas.
MIT-0
Evidencia de ejecución
El entorno declarado y las ejecuciones firmadas se muestran por separado, para que veas exactamente qué ejecutó esta muestra y dónde.
- Base de evidencia
- Contrato firmado aprobado
- Recibos de verificación
- 1
- Claves de firma que lo compilaron
- 1
Entorno declarado
node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm
Entornos de las ejecuciones de verificación
| Entorno | Contrato | Etapas | Ejecución |
|---|---|---|---|
| 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… |
2026-08-28 |
Caso
HOW- Objetivo
- Wrap multiline text with custom indentation and cut options using word-wrap
- Paquetes
- Símbolos
-
- word-wrap
- Entorno
- node 22.23.2
- Creado
- 2026-08-28T02:25:57Z
Contrato
- assert wrap(str, { width: 20, indent: ' ' }) wraps text at 20 chars with 2-space indent
- assert wrap(str, { width: 20, indent: '' }) wraps text without indentation
- assert wrap(str, { width: 10, indent: '', newline: '\n---\n' }) separates lines with custom delimiter
- assert wrap(longWord, { width: 8, indent: '', cut: true }) cuts words exceeding width limit
- assert wrap(str, { width: 20, indent: '', trim: true }) trims trailing whitespace on each line
- assert wrap(str, { width: 5, indent: '', escape: fn }) applies escape transform to each line
- assert wrap(null) and wrap(undefined) return null and undefined without throwing
Archivos
- PROMPT.md
- csx.json
- index.js
- package-lock.json
- package.json
- spec.json
- test/contract.cjs
Código fuente
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: Wrap multiline text with custom indentation and cut options using word-wrap
Kind: HOW
Use EXACTLY these public packages and versions:
- pkg:npm/word-wrap@1.2.5
Demonstrate these symbols/APIs:
- word-wrap
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.
{"case":{"caseId":"case:sha256:82b575b56a2e1b21d495cfafdedcd965bda4b5f3af42ae680b6d71af0990488f","contract":["assert wrap(str, { width: 20, indent: ' ' }) wraps text at 20 chars with 2-space indent","assert wrap(str, { width: 20, indent: '' }) wraps text without indentation","assert wrap(str, { width: 10, indent: '', newline: '\\n---\\n' }) separates lines with custom delimiter","assert wrap(longWord, { width: 8, indent: '', cut: true }) cuts words exceeding width limit","assert wrap(str, { width: 20, indent: '', trim: true }) trims trailing whitespace on each line","assert wrap(str, { width: 5, indent: '', escape: fn }) applies escape transform to each line","assert wrap(null) and wrap(undefined) return null and undefined without throwing"],"goal":"Wrap multiline text with custom indentation and cut options using word-wrap","kind":"HOW","packages":["pkg:npm/word-wrap@1.2.5"],"schemaVersion":1,"symbols":["word-wrap"]},"contractCommand":["node","test/contract.cjs"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","executionContext":"node","language":"javascript","libc":"glibc","libcVersion":"2.39","moduleSystem":"cjs","os":"linux","osVersionBucket":"24","packageManager":"npm","runtime":"node","runtimeVersion":"22.23.2","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/word-wrap@1.2.5"],"schemaVersion":1,"subject":"pkg:npm/word-wrap@1.2.5","symbols":["word-wrap"],"verifierAdapter":"node-typescript@1"}
const wrap = require('word-wrap');
function wrapText(str, options) {
return wrap(str, options);
}
module.exports = {
wrapText,
};
{
"name": "word-wrap-sample",
"version": "1.0.0",
"lockfileVersion": 3,
"requires": true,
"packages": {
"": {
"name": "word-wrap-sample",
"version": "1.0.0",
"dependencies": {
"word-wrap": "1.2.5"
}
},
"node_modules/word-wrap": {
"version": "1.2.5",
"resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
"integrity": "sha512-BN22B5eaMMI9UMtjrGd5g5eCYPpCPDUy0FJXbYsaT5zYxjFOckS53SQDE3pWkVoWpHXVb3BrYcEN4Twa55B5cA==",
"license": "MIT",
"engines": {
"node": ">=0.10.0"
}
}
}
}
{
"name": "word-wrap-sample",
"version": "1.0.0",
"private": true,
"description": "Wrap multiline text with custom indentation and cut options using word-wrap",
"main": "index.js",
"scripts": {
"test": "node test/contract.cjs"
},
"dependencies": {
"word-wrap": "1.2.5"
}
}
{
"schemaVersion": 1,
"goal": "Wrap multiline text with custom indentation and cut options using word-wrap",
"kind": "HOW",
"packages": [
"pkg:npm/word-wrap@1.2.5"
],
"symbols": [
"word-wrap"
]
}
const assert = require('node:assert/strict');
const wrap = require('word-wrap');
// 1. Wrap multiline string with specified width and custom indent
const input = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
const result1 = wrap(input, { width: 20, indent: ' ' });
assert.equal(result1, ' Lorem ipsum dolor \n sit amet, \n consectetur \n adipiscing elit.');
// 2. Wrap without indentation
const result2 = wrap(input, { width: 20, indent: '' });
assert.equal(result2, 'Lorem ipsum dolor \nsit amet, \nconsectetur \nadipiscing elit.');
// 3. Custom newline separator without trim preserves trailing word space before newline
const result3 = wrap('alpha beta gamma delta', { width: 10, indent: '', newline: '\n---\n' });
assert.equal(result3, 'alpha beta \n---\ngamma \n---\ndelta');
// 4. Cut long words exceeding width limit
const longWord = 'antidisestablishmentarianism';
const result4 = wrap(longWord, { width: 8, indent: '', cut: true });
assert.equal(result4, 'antidise\nstablish\nmentaria\nnism');
// 5. Trim trailing whitespace from wrapped lines
const trailingSpaces = 'first \nsecond \nthird ';
const result5 = wrap(trailingSpaces, { width: 20, indent: '', trim: true });
assert.equal(result5, 'first\nsecond\nthird');
// 6. Escape callback modifying each formatted line
const result6 = wrap('one two three', {
width: 5,
indent: '',
escape: (line) => `(${line.trim()})`,
});
assert.equal(result6, '(one)\n(two)\n(three)');
// 7. Non-string inputs (null and undefined) returned directly
assert.equal(wrap(null), null);
assert.equal(wrap(undefined), undefined);
console.log('Contract assertions passed.');
Seeder de origen
anónimo