refactor: default export is renamed to Chart (#836)

BREAKING CHANGE: default export is renamed to Chart

src/index.tsx

@@ -1,4 +1,3 @@
-// @todo Make named export instead of default
-export { Chart as default } from './chart';
 export type { ChartProps } from './types';
+export * from './chart';
 export * from './typedCharts';

stories/Chart.tsx

@@ -1,7 +1,7 @@
 import React, { useState, useEffect, useReducer } from 'react';
 import { InteractionItem } from 'chart.js';
 import 'chartjs-adapter-date-fns';
-import Chart from '../src';
+import { Chart } from '../src';
 import * as multitypeChart from '../sandboxes/chart/multitype/App';
 import * as eventsChart from '../sandboxes/chart/events/App';
 import * as data from './Chart.data';

test/chart.test-d.tsx

@@ -1,12 +1,25 @@
 import { expectError } from 'tsd';
 import React from 'react';
 import { Plugin } from 'chart.js';
-import Chart, { Scatter, Doughnut } from '../src';
-import { data as multiTypeData } from '../sandboxes/chart/multitype/App';
+import { Chart, Scatter, Doughnut } from '../src';
 
 const data = {
   datasets: [],
 };
+const multiTypeData = {
+  datasets: [
+    {
+      type: 'line' as const,
+      label: 'Dataset 1',
+      data: [],
+    },
+    {
+      type: 'bar' as const,
+      label: 'Dataset 2',
+      data: [],
+    },
+  ],
+};
 
 /**
  * Should check type-specific props

test/chart.test.tsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import { render, cleanup, fireEvent } from '@testing-library/react';
 import ChartJS from 'chart.js/auto';
-import Chart from '../src';
+import { Chart } from '../src';
 
 describe('<Chart />', () => {
   const data = {