Tasks: adds dueToday getter to TaskType

cleans up some code around filtering by due today

src/components/Tasks/Sidebar.tsx

@@ -12,8 +12,6 @@ import { StoreState } from '../../store';
 import { List, ListItem, ListSubheader } from '../../widgets/List';
 import { TaskType } from '../../pim-types';
 
-import moment from 'moment';
-
 interface ListItemPropsType {
   name: string | null;
   icon?: React.ReactElement;
@@ -45,7 +43,7 @@ function SidebarListItem(props: ListItemPropsType) {
 export default React.memo(function Sidebar(props: { tasks: TaskType[] }) {
   const { tasks } = props;
 
-  const amountDueToday = tasks.filter((x) => x.dueDate && moment(x.dueDate.toJSDate()).isSame(moment(), 'day')).length;
+  const amountDueToday = tasks.filter((x) => x.dueToday).length;
 
   const tags = new Map<string, number>();
   tasks.forEach((task) => task.tags.forEach((tag) => {

src/components/Tasks/TaskList.tsx

@@ -24,8 +24,6 @@ import Sidebar from './Sidebar';
 
 import { StoreState } from '../../store';
 
-import moment from 'moment';
-
 const sortSelector = createSelector(
   (entries: TaskType[]) => entries,
   (entries) => entries.sort((a, b) => a.title.localeCompare(b.title))
@@ -56,7 +54,7 @@ export default function TaskList(props: PropsType) {
     const tag = filterBy.slice(tagPrefix.length);
     entries = potentialEntries.filter((x) => x.tags.includes(tag));
   } else if (filterBy === 'today') {
-    entries = potentialEntries.filter((x) => x.dueDate && moment(x.dueDate.toJSDate()).isSame(moment(), 'day'));
+    entries = potentialEntries.filter((x) => x.dueToday);
   } else {
     entries = potentialEntries;
   }

src/pim-types.ts

@@ -3,6 +3,7 @@
 
 import * as ICAL from 'ical.js';
 import * as zones from './data/zones.json';
+import moment from 'moment';
 
 export const PRODID = '-//iCal.js EteSync iOS';
 
@@ -225,6 +226,10 @@ export class TaskType extends EventType {
     return !!((this.startDate?.isDate) || (this.dueDate?.isDate));
   }
 
+  get dueToday() {
+    return this.dueDate && moment(this.dueDate.toJSDate()).isSame(moment(), 'day');
+  }
+
   public clone() {
     const ret = new TaskType(new ICAL.Component(this.component.toJSON()));
     ret.color = this.color;