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packages/effects/plugins/src/echarts/use-echarts.ts

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+import type { EChartsOption } from 'echarts';
+
+import type { Ref } from 'vue';
+
+import type { Nullable } from '@vben/types';
+
+import type EchartsUI from './echarts-ui.vue';
+
+import { computed, nextTick, watch } from 'vue';
+
+import { usePreferences } from '@vben/preferences';
+
+import {
+  tryOnUnmounted,
+  useDebounceFn,
+  useResizeObserver,
+  useTimeoutFn,
+  useWindowSize,
+} from '@vueuse/core';
+
+import echarts from './echarts';
+
+type EchartsUIType = typeof EchartsUI | undefined;
+
+type EchartsThemeType = 'dark' | 'light' | null;
+
+function useEcharts(chartRef: Ref<EchartsUIType>) {
+  let chartInstance: echarts.ECharts | null = null;
+  let cacheOptions: EChartsOption = {};
+
+  const { isDark } = usePreferences();
+  const { height, width } = useWindowSize();
+  const resizeHandler: () => void = useDebounceFn(resize, 200);
+
+  const getOptions = computed((): EChartsOption => {
+    if (!isDark.value) {
+      return {};
+    }
+
+    return {
+      backgroundColor: 'transparent',
+    };
+  });
+
+  const initCharts = (t?: EchartsThemeType) => {
+    const el = chartRef?.value?.$el;
+    if (!el) {
+      return;
+    }
+    chartInstance = echarts.init(el, t || isDark.value ? 'dark' : null);
+
+    return chartInstance;
+  };
+
+  const renderEcharts = (
+    options: EChartsOption,
+    clear = true,
+  ): Promise<Nullable<echarts.ECharts>> => {
+    cacheOptions = options;
+    const currentOptions = {
+      ...options,
+      ...getOptions.value,
+    };
+    return new Promise((resolve) => {
+      if (chartRef.value?.offsetHeight === 0) {
+        useTimeoutFn(async () => {
+          resolve(await renderEcharts(currentOptions));
+        }, 30);
+        return;
+      }
+      nextTick(() => {
+        useTimeoutFn(() => {
+          if (!chartInstance) {
+            const instance = initCharts();
+            if (!instance) return;
+          }
+          clear && chartInstance?.clear();
+          chartInstance?.setOption(currentOptions);
+          resolve(chartInstance);
+        }, 30);
+      });
+    });
+  };
+
+  function resize() {
+    chartInstance?.resize({
+      animation: {
+        duration: 300,
+        easing: 'quadraticIn',
+      },
+    });
+  }
+
+  watch([width, height], () => {
+    resizeHandler?.();
+  });
+
+  useResizeObserver(chartRef as never, resizeHandler);
+
+  watch(isDark, () => {
+    if (chartInstance) {
+      chartInstance.dispose();
+      initCharts();
+      renderEcharts(cacheOptions);
+      resize();
+    }
+  });
+
+  tryOnUnmounted(() => {
+    // 销毁实例，释放资源
+    chartInstance?.dispose();
+  });
+  return {
+    renderEcharts,
+    resize,
+    getChartInstance: () => chartInstance,
+  };
+}
+
+export { useEcharts };
+
+export type { EchartsUIType };