{"record":{"id":"660b8c6a09cc3908","repo":"jackwener/OpenCLI","slug":"hf-datasets-limit-must-be-a-positive-integer","errorCode":null,"errorMessage":"hf datasets limit must be a positive integer","messagePattern":"hf datasets limit must be a positive integer","errorType":"validation","errorClass":"ArgumentError","httpStatus":null,"severity":"error","filePath":"clis/hf/datasets.js","lineNumber":34,"sourceCode":"    description: 'Top Hugging Face datasets (downloads / likes / trending / freshness).',\n    domain: 'huggingface.co',\n    strategy: Strategy.PUBLIC,\n    browser: false,\n    args: [\n        { name: 'sort', type: 'string', default: 'downloads', help: `Sort key: ${SORT_OPTIONS.join(', ')}` },\n        { name: 'search', type: 'string', required: false, help: 'Optional name/owner substring filter.' },\n        { name: 'limit', type: 'int', default: 20, help: 'Max datasets (max 100; one API page).' },\n    ],\n    columns: ['rank', 'id', 'author', 'downloads', 'likes', 'tags', 'lastModified', 'url'],\n    func: async (args) => {\n        const sortRaw = String(args.sort ?? 'downloads').toLowerCase();\n        const sort = SORT_ALIAS[sortRaw] ?? sortRaw;\n        if (!SORT_OPTIONS.includes(sort)) {\n            throw new ArgumentError(`hf datasets sort must be one of ${SORT_OPTIONS.join(', ')}`);\n        }\n        const limit = Number(args.limit ?? 20);\n        if (!Number.isInteger(limit) || limit <= 0) {\n            throw new ArgumentError('hf datasets limit must be a positive integer');\n        }\n        if (limit > 100) {\n            throw new ArgumentError('hf datasets limit must be <= 100');\n        }\n\n        const url = new URL('https://huggingface.co/api/datasets');\n        url.searchParams.set('sort', sort);\n        url.searchParams.set('direction', '-1');\n        url.searchParams.set('limit', String(limit));\n        url.searchParams.set('full', 'true');\n        if (args.search) url.searchParams.set('search', String(args.search));\n\n        let resp;\n        try {\n            resp = await fetch(url, {\n                headers: {\n                    'Accept': 'application/json',\n                    'User-Agent': 'opencli/1.0 (+https://github.com/jackwener/opencli)',","sourceCodeStart":16,"sourceCodeEnd":52,"githubUrl":"https://github.com/jackwener/OpenCLI/blob/49907e53dc3ade5c223ff0c4c2c2785687cec4e6/clis/hf/datasets.js#L16-L52","documentation":"The hf datasets command requires limit to be an integer greater than 0 (default 20). Passing a non-integer, zero, negative, or non-numeric value throws ArgumentError with this message.","triggerScenarios":"Calling hf datasets with --limit 0, --limit -5, --limit abc, or a float like 2.5 — Number(args.limit) fails Number.isInteger or is <= 0.","commonSituations":"Config file supplying an empty or NaN limit; shell passing an unset variable resulting in 'undefined' -> NaN; users assuming 0 means unlimited; copy-pasted float values.","solutions":["Pass a positive integer, e.g. --limit 20","Check the config/script for empty or undefined limit variables","Use an integer, not a float or numeric string with decimals","Omit --limit to use the default of 20"],"exampleFix":"// before\nhf datasets --limit 0\n// after\nhf datasets --limit 20","handlingStrategy":"validation","validationCode":"const limit = Number(rawLimit ?? 20);\nif (!Number.isInteger(limit) || limit <= 0) throw new Error('limit must be a positive integer');","typeGuard":"function isValidLimit(v) { const n = Number(v); return Number.isInteger(n) && n > 0; }","tryCatchPattern":"try { await hfDatasets({ limit }); } catch (e) { if (e instanceof ArgumentError && e.message.includes('limit must be a positive integer')) { console.error(e.message); process.exit(2); } throw e; }","preventionTips":["Coerce and validate limit before invoking","Check config/env for empty or NaN limit values","Use integers only; avoid floats and 0","Rely on the default (20) when unsure"],"tags":["validation","arguments","cli","huggingface"],"backgroundTag":"invalid-argument-value","analyzedSha":"49907e53dc3ade5c223ff0c4c2c2785687cec4e6","analyzedAt":"2026-08-29T08:14:47.543Z","schemaVersion":2},"datasetVersion":"2026-08-29T17:17:51.833Z"}