| 44 | } |
| 45 | |
| 46 | function validateKeywords(keywords) { |
| 47 | if (keywords === undefined) return null; |
| 48 | if (!Array.isArray(keywords)) { |
| 49 | return "keywords must be an array"; |
| 50 | } |
| 51 | if (keywords.length > 10) { |
| 52 | return "maximum 10 keywords allowed"; |
| 53 | } |
| 54 | for (const keyword of keywords) { |
| 55 | if (typeof keyword !== "string") { |
| 56 | return "all keywords must be strings"; |
| 57 | } |
| 58 | if (!/^[a-z0-9-]+$/.test(keyword)) { |
| 59 | return `keyword "${keyword}" must contain only lowercase letters, numbers, and hyphens`; |
| 60 | } |
| 61 | if (keyword.length < 1 || keyword.length > 30) { |
| 62 | return `keyword "${keyword}" must be between 1 and 30 characters`; |
| 63 | } |
| 64 | } |
| 65 | return null; |
| 66 | } |
| 67 | |
| 68 | function arraysEqual(left, right) { |
| 69 | if (!Array.isArray(left) || !Array.isArray(right) || left.length !== right.length) { |