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wujingjing

2024-11-12 91fbe6ea41b0451a17aa1f6654faa9806b7f1817

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import * as echarts from 'echarts';
import type { Ref } from 'vue';
import { onMounted, shallowRef } from 'vue';
import { debounce } from '/@/utils/util';
 
export type UseDrawChatChartOption = {
    chartRef: Ref<HTMLDivElement>;
    drawChart: () => void;
};
export const useDrawChatChart = (option: UseDrawChatChartOption) => {
    const { chartRef, drawChart } = option;
    const chartInstance = shallowRef<echarts.ECharts>(null);
 
    let resizeChart = null;
    const chartContainerResize = ({ width, height }) => {
        resizeChart?.(width, height);
    };
 
    const initChart = () => {
        setTimeout(() => {
            const instance = echarts.getInstanceByDom(chartRef.value);
            if (!instance) {
                const parent = chartRef.value.parentElement;
                const parentBound = parent.getBoundingClientRect();
 
                chartInstance.value = echarts.init(chartRef.value, undefined, {
                    width: parentBound.width,
                    height: parentBound.height,
                    locale: 'ZH',
                });
 
                resizeChart = debounce((width, height) => {
                    chartInstance.value.resize({
                        width: width,
                        height: height,
                    });
                });
            }
 
            drawChart();
        }, 100);
    };
 
    onMounted(() => {
        initChart();
    });
 
    return {
        chartContainerResize,
        chartInstance,
        
    };
};