Function validateUserConfig

src/utils/plugins/mcpbHandler.ts:346–408

(
  values: UserConfigValues,
  schema: UserConfigSchema,
)

 * Validate user configuration values against DXT user_config schema
 */
export function validateUserConfig(
  values: UserConfigValues,
  schema: UserConfigSchema,
): { valid: boolean; errors: string[] } {
  const errors: string[] = []

  // Check each field in the schema
  for (const [key, fieldSchema] of Object.entries(schema)) {
    const value = values[key]

    // Check required fields
    if (fieldSchema.required && (value === undefined || value === '')) {
      errors.push(`${fieldSchema.title || key} is required but not provided`)
      continue
    }

    // Skip validation for optional fields that aren't provided
    if (value === undefined || value === '') {
      continue
    }

    // Type validation
    if (fieldSchema.type === 'string') {
      if (Array.isArray(value)) {
        // String arrays are allowed if multiple: true
        if (!fieldSchema.multiple) {
          errors.push(
            `${fieldSchema.title || key} must be a string, not an array`,
          )
        } else if (!value.every(v => typeof v === 'string')) {
          errors.push(`${fieldSchema.title || key} must be an array of strings`)
        }
      } else if (typeof value !== 'string') {
        errors.push(`${fieldSchema.title || key} must be a string`)
      }
    } else if (fieldSchema.type === 'number' && typeof value !== 'number') {
      errors.push(`${fieldSchema.title || key} must be a number`)
    } else if (fieldSchema.type === 'boolean' && typeof value !== 'boolean') {
      errors.push(`${fieldSchema.title || key} must be a boolean`)
    } else if (
      (fieldSchema.type === 'file' || fieldSchema.type === 'directory') &&
      typeof value !== 'string'
    ) {
      errors.push(`${fieldSchema.title || key} must be a path string`)
    }

    // Number range validation
    if (fieldSchema.type === 'number' && typeof value === 'number') {
      if (fieldSchema.min !== undefined && value < fieldSchema.min) {
        errors.push(
          `${fieldSchema.title || key} must be at least ${fieldSchema.min}`,
        )
      }
      if (fieldSchema.max !== undefined && value > fieldSchema.max) {
        errors.push(
          `${fieldSchema.title || key} must be at most ${fieldSchema.max}`,
        )
      }