jackwener/OpenCLI · error · ArgumentError
npm ${label} must be <= ${maxValue}
Error message
npm ${label} must be <= ${maxValue} What it means
requireBoundedInt also enforces an upper bound: after passing positivity, values greater than maxValue throw ArgumentError `npm ${label} must be <= ${maxValue}` (e.g. `npm limit must be <= 250` for search). This keeps requests within what the npm search API's size parameter accepts.
Source
Thrown at clis/npm/utils.js:40
throw new ArgumentError(`npm package name "${value}" is too long (max 214 chars)`);
}
if (!PKG_NAME.test(s)) {
throw new ArgumentError(
`npm package name "${value}" is not a valid registry name`,
'Names are 1–214 chars of lowercase a-z / 0-9 / "-._" (scoped form: "@scope/name").',
);
}
return s;
}
export function requireBoundedInt(value, defaultValue, maxValue, label = 'limit') {
const raw = value ?? defaultValue;
const n = typeof raw === 'number' ? raw : Number(raw);
if (!Number.isInteger(n) || n <= 0) {
throw new ArgumentError(`npm ${label} must be a positive integer`);
}
if (n > maxValue) {
throw new ArgumentError(`npm ${label} must be <= ${maxValue}`);
}
return n;
}
export async function npmFetch(url, label) {
let resp;
try {
resp = await fetch(url, { headers: { 'user-agent': UA, accept: 'application/json' } });
}
catch (err) {
throw new CommandExecutionError(
`${label} request failed: ${err?.message ?? err}`,
'Check that registry.npmjs.org / api.npmjs.org are reachable from this network.',
);
}
if (resp.status === 404) {
throw new EmptyResultError(label, `npm registry returned 404 for ${url}.`);
}View on GitHub (pinned to 49907e53dc)
Solutions
- Use limit <= 250; for more results, paginate by refining the query or issuing successive searches.
- Omit the limit argument to use the default of 20.
- Clamp input before calling: Math.min(value, 250).
- Catch ArgumentError and surface the allowed maximum to the user.
Example fix
// before
await npmSearch({ query: 'react', limit: 1000 }); // ArgumentError: must be <= 250
// after
const requested = Number(process.env.LIMIT ?? 20);
await npmSearch({ query: 'react', limit: Math.min(Math.max(requested, 1), 250) }); Defensive patterns
Strategy: validation
Validate before calling
function clampLimit(v, dflt = 20, max = 250) {
if (v == null) return dflt;
const n = typeof v === 'number' ? v : Number(v);
if (!Number.isInteger(n) || n <= 0) return dflt;
return Math.min(n, max);
}
const limit = clampLimit(args.limit); Type guard
function isWithinLimit(v, max) {
return typeof v === 'number' && Number.isInteger(v) && v > 0 && v <= max;
} Try / catch
try {
return await npmSearch({ query, limit });
} catch (e) {
if (e.name === 'ArgumentError' && /must be <=/.test(e.message)) {
return await npmSearch({ query, limit: 250 }); // clamp to the API maximum
}
throw e;
} Prevention
- Cap limits at 250 — the npm search API's maximum size.
- For 'all results', paginate with successive searches instead of one huge limit.
- Clamp with Math.min before calling.
- Document the 1-250 range in your CLI help.
When it happens
Trigger: Calling npm search with limit above 250 (search.js calls requireBoundedInt(args.limit, 20, 250)) — e.g. `--limit 1000` or programmatic limit=500.
Common situations: Trying to fetch 'all results' with a huge limit; assuming the max is unlimited; copying a limit from another tool with different bounds; batch scripts requesting page sizes the API won't serve.
Related errors
- npm ${label} must be a positive integer
- limit must be <= 250 (CoinGecko per_page upper bound)
- limit must be an integer between 1 and ${max}
- lobsters limit must be <= ${maxValue}
- npm ${label} cannot be empty
AI-assisted analysis of jackwener/OpenCLI@49907e53dc (2026-08-29).
Data as JSON: /api/errors/f42ae241496dab42.
Report an issue: GitHub.