import { useTimeoutFn } from '/@/hooks/core/useTimeout';
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import { tryOnUnmounted } from '@vueuse/core';
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import { unref, Ref, nextTick } from 'vue';
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import type { EChartsOption } from 'echarts';
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import { useDebounce } from '/@/hooks/core/useDebounce';
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import { useEventListener } from '/@/hooks/event/useEventListener';
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import { useBreakpoint } from '/@/hooks/event/useBreakpoint';
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import echarts from '/@/plugins/echarts';
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export function useECharts(
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elRef: Ref<HTMLDivElement>,
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theme: 'light' | 'dark' | 'default' = 'light'
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) {
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let chartInstance: echarts.ECharts | null = null;
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let resizeFn: Fn = resize;
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let removeResizeFn: Fn = () => {};
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const [debounceResize] = useDebounce(resize, 200);
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resizeFn = debounceResize;
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function initCharts() {
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const el = unref(elRef);
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if (!el || !unref(el)) {
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return;
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}
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chartInstance = echarts.init(el, theme);
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const { removeEvent } = useEventListener({
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el: window,
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name: 'resize',
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listener: resizeFn,
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});
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removeResizeFn = removeEvent;
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const { widthRef, screenEnum } = useBreakpoint();
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if (unref(widthRef) <= screenEnum.MD || el.offsetHeight === 0) {
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useTimeoutFn(() => {
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resizeFn();
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}, 30);
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}
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}
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function setOptions(options: EChartsOption, clear = true) {
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if (unref(elRef)?.offsetHeight === 0) {
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useTimeoutFn(() => {
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setOptions(options);
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}, 30);
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return;
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}
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nextTick(() => {
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useTimeoutFn(() => {
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if (!chartInstance) {
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initCharts();
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if (!chartInstance) return;
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}
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clear && chartInstance?.clear();
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chartInstance?.setOption(options);
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}, 30);
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});
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}
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function resize() {
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chartInstance?.resize();
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}
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tryOnUnmounted(() => {
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if (!chartInstance) return;
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removeResizeFn();
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chartInstance.dispose();
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chartInstance = null;
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});
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return {
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setOptions,
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resize,
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echarts,
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};
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}
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