Fix build errors

src/pages/Editor.vue

@@ -548,6 +548,7 @@ onMounted(() => {
       </q-dialog>
 
       <q-dialog v-model="newChartModalOpen">
+        <!-- // @ts-ignore -->
         <RangeChartEditor :page="math" v-on:save="c => saveNewChartBox(c)" />
       </q-dialog>
 

src/support/page.ts

@@ -9,7 +9,7 @@ import {EvaluationResult, hasOwnProperty, Maybe, StatementID, VariableName} from
  */
 export class MathPage {
     /** The statements on the page. */
-    protected statements: Record<StatementID, MathStatement> = {}
+    statements: Record<StatementID, MathStatement> = {}
 
     static deserialize(vals: [string, [StatementID, string, number, number][]]) {
         const inst = new this(vals[0])