属性UI（プロパティ）にチェックルール設定追加

frontend/src/components/right/FieldInput.vue

@@ -1,7 +1,9 @@
 <template>
   <div v-bind="$attrs">
     <q-field v-model="selectedField" :label="displayName" labelColor="primary" :clearable="isSelected" stack-label
-      :bottom-slots="!isSelected">
+      :bottom-slots="!isSelected"
+      :rules="rulesExp"
+    >
       <template v-slot:control>
         <q-chip color="primary" text-color="white" v-if="isSelected">
           {{ selectedField.name }}
@@ -74,6 +76,19 @@ export default defineComponent({
       type: Object,
       default: null
     },
+    //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 }) {
@@ -85,6 +100,11 @@ export default defineComponent({
     const isSelected = computed(() => {
       return selectedField.value !== null && typeof selectedField.value === 'object' && ('name' in selectedField.value)
     });
+    //ルール設定
+    const customExp = props.rules === undefined ? [] : eval(props.rules);
+    const errmsg = props.requiredMessage?props.requiredMessage:`${props.displayName}が必須です。`;
+    const requiredExp = props.required ? [((val: any) => (!!val && typeof val==='object' && !!val.name) || errmsg)] : [];
+    const rulesExp = [...requiredExp, ...customExp];
 
     const showDg = () => {
       show.value = true;
@@ -109,7 +129,8 @@ export default defineComponent({
       selectedField,
       isSelected,
       filter:ref(''),
-      selectedFields
+      selectedFields,
+      rulesExp
     };
   }
 });