docs: fix typo in sample code

README.md

@@ -37,7 +37,7 @@ import {
 } from 'echarts/renderers'
 import {
   BarChart
-} from 'echarts/chart'
+} from 'echarts/charts'
 import {
   GridComponent,
   TooltipComponent

README.zh-Hans.md

@@ -35,7 +35,7 @@ import {
 } from 'echarts/renderers'
 import {
   BarChart
-} from 'echarts/chart'
+} from 'echarts/charts'
 import {
   GridComponent,
   TooltipComponent

src/ECharts.ts

@@ -4,6 +4,7 @@ import {
   ref,
   unref,
   shallowRef,
+  toRef,
   toRefs,
   watch,
   computed,
@@ -77,7 +78,9 @@ export default defineComponent({
       () => props.updateOptions || unref(defaultUpdateOptions) || {}
     );
 
-    const { autoresize, manualUpdate, loading, loadingOptions } = toRefs(props);
+    const { autoresize, manualUpdate, loading } = toRefs(props);
+    const loadingOptions = toRef(props, "loadingOptions");
+    const a = toRef(props, "autoresize");
 
     function init(option?: Option) {
       if (chart.value || !root.value) {

src/composables/loading.ts

@@ -6,7 +6,7 @@ export const LOADING_OPTIONS_KEY = "ecLoadingOptions";
 export function useLoading(
   chart: Ref<EChartsType | undefined>,
   loading: Ref<boolean>,
-  loadingOptions?: Ref<object | undefined>
+  loadingOptions: Ref<object | undefined>
 ): void {
   const defaultLoadingOptions = inject(LOADING_OPTIONS_KEY, {}) as
     | object