Function parseCondition

packages/core/src/parse-condition.ts:70–102

(condition: ConditionQuery)

}

export function parseCondition(condition: ConditionQuery): ConditionDetails | undefined {
  if (Array.isArray(condition)) {
    const value = condition.map(parseCondition).filter(Boolean) as ConditionDetails[]
    return {
      type: 'mixed',
      raw: condition,
      value,
    } as MixedCondition
  }

  // Handle object syntax with @slot markers
  if (typeof condition === 'object' && condition !== null) {
    return parseObjectCondition(condition as ConditionObjectQuery)
  }

  if (condition.startsWith('@')) {
    return parseAtRule(condition)
  }

  let type: ConditionDetails['type'] | undefined

  if (condition.startsWith('&')) {
    type = 'self-nesting'
  } else if (condition.endsWith(' &')) {
    type = 'parent-nesting'
  } else if (condition.includes('&')) {
    type = 'combinator-nesting'
  }

  if (type) {
    return { type, value: condition, raw: condition } as SelectorCondition
  }
}