typeをObject Lessonに変更(defaultの記述は後日)

resolve: #139 (comment)

Author: NEKOYASAN

src/components/ContentCardEditable.vue

@@ -50,14 +50,16 @@
 import Vue from 'vue'
 import SubjectTag from '@/components/SubjectTag.vue'
 import ContentCardEditorButton from '@/components/ContentCardEditorButton.vue'
+import { classData } from '~/types/store/classData'
+
 export default Vue.extend({
   components: {
     SubjectTag,
     ContentCardEditorButton
   },
   props: {
     lesson: {
-      type: Object,
+      type: Object as () => classData.Lesson,
       required: true,
       default: () => {}
     }

src/components/PeriodCardEditable.vue

@@ -31,12 +31,13 @@
 import Vue from 'vue'
 import dayjs from 'dayjs'
 import ContentCardEditable from '@/components/ContentCardEditable.vue'
+import { classData } from '~/types/store/classData'
 
 export default Vue.extend({
   components: { ContentCardEditable },
   props: {
     classData: {
-      type: Object,
+      type: Object as () => classData.Lesson,
       default: () => {}
     }
   },