refactor: 拆分小程序 vue 结构

src/components/spec-popup/useSpecPopup.ts

@@ -0,0 +1,11 @@
+export function useSpecPopup () {
+  function tagClass (tag: string) {
+    if (['招牌', '热卖', '热销'].includes(tag)) return 'spec-popup__tag--hot'
+    if (['新品'].includes(tag)) return 'spec-popup__tag--new'
+    return 'spec-popup__tag--sales'
+  }
+
+  return {
+    tagClass
+  }
+}