Fix reaktywności SRJP

src/mixins/modalTrainMixin.ts

@@ -0,0 +1,30 @@
+import { defineComponent } from 'vue';
+import { useStore } from '../store/store';
+
+export default defineComponent({
+  setup() {
+    return {
+      store: useStore(),
+    };
+  },
+
+  mounted() {
+    console.log('Mixin mounted');
+  },
+
+  computed: {
+    chosenTrain() {
+      return this.store.trainList.find((train) => train.trainId == this.store.chosenModalTrainId);
+    },
+  },
+
+  methods: {
+    selectModalTrain(trainId: string) {
+      this.store.chosenModalTrainId = trainId;
+    },
+
+    closeModal() {
+      this.store.chosenModalTrainId = undefined;
+    },
+  },
+});