属性UI（プロパティ）にチェックルール設定追加

frontend/src/components/right/EventSetter.vue

@@ -1,6 +1,9 @@
 <template>
   <div v-bind="$attrs">
-    <q-input :label="displayName" v-model="inputValue" label-color="primary" :placeholder="placeholder" stack-label>
+    <q-input :label="displayName" v-model="inputValue" label-color="primary"
+    :placeholder="placeholder"
+    :rules="rulesExp"
+    stack-label>
       <template v-slot:append>
         <q-btn round dense flat icon="add" @click="addButtonEvent()" />
       </template>
@@ -40,12 +43,29 @@ export default defineComponent({
     connectProps:{
       type:Object,
       default:undefined
+    },
+    //例：[val=>!!val ||'入力してください']
+    rules: {
+      type: String,
+      default: undefined
+    },
+    required:{
+      type:Boolean,
+      default:false
+    },
+    requiredMessage: {
+      type: String,
+      default: ''
     }
   },
 
   setup(props , { emit }) {
     const inputValue = ref(props.modelValue);
     const store = useFlowEditorStore();
+    const customExp = props.rules === undefined ? [] : eval(props.rules);
+    const errmsg = props.requiredMessage?props.requiredMessage:`${props.displayName}を入力してください。`;
+    const requiredExp = props.required ? [((val: any) => !!val || errmsg)] : [];
+    const rulesExp = [...requiredExp, ...customExp];
     const addButtonEvent=()=>{
       const eventId =store.currentFlow?.getRoot()?.name;
       if(eventId===undefined){return;}
@@ -69,14 +89,14 @@ export default defineComponent({
         });
       }
     }
-
     watchEffect(() => {
       emit('update:modelValue', inputValue.value);
     });
 
     return {
       inputValue,
-      addButtonEvent
+      addButtonEvent,
+      rulesExp
     };
   },
 });