baqing-shop/shop-app/utils/cartSpec.js

import { CART_SPEC_SEPARATOR } from '@/constants/cart'

/**
 * 详情多条规格 → 加购 specText 字符串
 * 例：「批次：2024春季§包装：袋装」
 */
export function joinCartSpecParts(parts) {
  if (!Array.isArray(parts) || !parts.length) {
    return '默认'
  }
  const list = parts.map((p) => (p != null ? String(p).trim() : '')).filter(Boolean)
  return list.length ? list.join(CART_SPEC_SEPARATOR) : '默认'
}

/**
 * 购物车 specText → 展示用数组
 */
export function parseCartSpecText(specText) {
  const text = (specText || '').trim()
  if (!text || text.includes('[object Object]')) {
    return ['默认']
  }
  if (text === '默认') {
    return ['默认']
  }
  if (text.includes(CART_SPEC_SEPARATOR)) {
    return text.split(CART_SPEC_SEPARATOR).map((s) => s.trim()).filter(Boolean)
  }
  // 兼容旧数据用「 / 」拼接的规格
  if (text.includes(' / ')) {
    return text.split(' / ').map((s) => s.trim()).filter(Boolean)
  }
  return [text]
}