feat(hooks): add use-echarts

src/hooks/chart/use-echarts.ts

@@ -0,0 +1,184 @@
+import { effectScope, nextTick, onScopeDispose, ref, watch } from 'vue';
+import type { ComputedRef, Ref } from 'vue';
+import * as echarts from 'echarts/core';
+import { BarChart, GaugeChart, LineChart, PictorialBarChart, PieChart, RadarChart, ScatterChart } from 'echarts/charts';
+import type {
+  BarSeriesOption,
+  GaugeSeriesOption,
+  LineSeriesOption,
+  PictorialBarSeriesOption,
+  PieSeriesOption,
+  RadarSeriesOption,
+  ScatterSeriesOption
+} from 'echarts/charts';
+import {
+  DatasetComponent,
+  GridComponent,
+  LegendComponent,
+  TitleComponent,
+  ToolboxComponent,
+  TooltipComponent,
+  TransformComponent
+} from 'echarts/components';
+import type {
+  DatasetComponentOption,
+  GridComponentOption,
+  LegendComponentOption,
+  TitleComponentOption,
+  ToolboxComponentOption,
+  TooltipComponentOption
+} from 'echarts/components';
+import { LabelLayout, UniversalTransition } from 'echarts/features';
+import { CanvasRenderer } from 'echarts/renderers';
+import { useElementSize } from '@vueuse/core';
+
+export type ECOption = echarts.ComposeOption<
+  | BarSeriesOption
+  | LineSeriesOption
+  | PieSeriesOption
+  | ScatterSeriesOption
+  | PictorialBarSeriesOption
+  | RadarSeriesOption
+  | GaugeSeriesOption
+  | TitleComponentOption
+  | LegendComponentOption
+  | TooltipComponentOption
+  | GridComponentOption
+  | ToolboxComponentOption
+  | DatasetComponentOption
+>;
+
+echarts.use([
+  TitleComponent,
+  LegendComponent,
+  TooltipComponent,
+  GridComponent,
+  DatasetComponent,
+  TransformComponent,
+  ToolboxComponent,
+  BarChart,
+  LineChart,
+  PieChart,
+  ScatterChart,
+  PictorialBarChart,
+  RadarChart,
+  GaugeChart,
+  LabelLayout,
+  UniversalTransition,
+  CanvasRenderer
+]);
+
+interface ChartHooks {
+  onRender?: (chart: echarts.ECharts) => void | Promise<void>;
+  onDestroy?: (chart: echarts.ECharts) => void | Promise<void>;
+}
+
+/**
+ * use echarts
+ *
+ * @param options echarts options
+ * @param darkMode dark mode
+ */
+export function useEcharts(options: ECOption, darkMode: Ref<boolean> | ComputedRef<boolean>, hooks?: ChartHooks) {
+  const scope = effectScope();
+
+  const domRef = ref<HTMLElement | null>(null);
+
+  const initialSize = { width: 0, height: 0 };
+  const { width, height } = useElementSize(domRef, initialSize);
+
+  let chart: echarts.ECharts | null = null;
+
+  function canRender() {
+    return initialSize.width > 0 && initialSize.height > 0;
+  }
+
+  function isRendered() {
+    return Boolean(domRef.value && chart);
+  }
+
+  function setOptions(opts: ECOption) {
+    if (isRendered()) {
+      chart?.clear();
+      chart?.setOption({ ...opts, backgroundColor: 'transparent' });
+    }
+  }
+
+  async function render() {
+    if (domRef.value) {
+      const chartTheme = darkMode.value ? 'dark' : 'light';
+
+      await nextTick();
+
+      chart = echarts.init(domRef.value, chartTheme);
+
+      setOptions(options);
+
+      await hooks?.onRender?.(chart);
+    }
+  }
+
+  function resize() {
+    chart?.resize();
+  }
+
+  async function destroy() {
+    if (!chart) return;
+
+    await hooks?.onDestroy?.(chart);
+    chart?.dispose();
+    chart = null;
+  }
+
+  async function changeTheme() {
+    await destroy();
+    await render();
+  }
+
+  /**
+   * render chart by size
+   *
+   * @param w
+   * @param h
+   */
+  async function renderChartBySize(w: number, h: number) {
+    initialSize.width = w;
+    initialSize.height = h;
+
+    // size is abnormal, destroy chart
+    if (!canRender()) {
+      await destroy();
+
+      return;
+    }
+
+    // render chart
+    if (!isRendered()) {
+      await render();
+      return;
+    }
+
+    // resize chart
+    resize();
+  }
+
+  scope.run(() => {
+    watch([width, height], ([newWidth, newHeight]) => {
+      renderChartBySize(newWidth, newHeight);
+    });
+
+    watch(darkMode, () => {
+      changeTheme();
+    });
+  });
+
+  onScopeDispose(() => {
+    destroy();
+    scope.stop();
+  });
+
+  return {
+    domRef,
+    setOptions
+  };
+}