skywalking-booster-ui/src/views/dashboard/graphs/Line.vue

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<template>
  <Graph ref="chart" :option="option" :autoResize="true" />
</template>
<script lang="ts" setup>
import { defineProps, ref, computed } from "vue";
import type { PropType } from "vue";
import { Event } from "@/types/events";

const props = defineProps({
  data: {
    type: Object as PropType<{ [key: string]: number[] }>,
    default: () => ({}),
  },
  type: { type: String, default: "" },
  intervalTime: { type: Array as PropType<string[]>, default: () => [] },
  theme: { type: String, default: "dark" },
  itemEvents: { type: Array as PropType<Event[]>, default: () => [] },
});
/*global Nullable */
const chart = ref<Nullable<HTMLElement>>(null);
const option = computed(() => getOption());
// function resize() {
//   chart.value.myChart.resize();
// }
function getOption() {
  const keys = Object.keys(props.data || {}).filter(
    (i: any) => Array.isArray(props.data[i]) && props.data[i].length
  );
  const startP = keys.length > 1 ? 50 : 15;
  const diff = 10;
  const markAreas = (props.itemEvents || []).map(
    (event: Event, index: number) => {
      return [
        {
          name: `${event.name}:${event.type}`,
          xAxis: event.startTime,
          y: startP + diff * index,
          itemStyle: {
            borderWidth: 2,
            borderColor: event.type === "Normal" ? "#5dc859" : "#FF0087",
            color: event.type === "Normal" ? "#5dc859" : "#FF0087",
          },
        },
        {
          name: event.message,
          xAxis: event.endTime,
          y: startP + diff * (index + 1),
        },
      ];
    }
  );
  const temp = keys.map((i: any, index: number) => {
    const serie: any = {
      data: props.data[i].map((item: any, itemIndex: number) => [
        props.intervalTime[itemIndex],
        item,
      ]),
      name: i,
      type: "line",
      symbol: "none",
      barMaxWidth: 10,
      lineStyle: {
        width: 1.5,
        type: "solid",
      },
      markArea:
        index === 0
          ? {
              silent: false,
              data: markAreas,
              label: {
                show: false,
                width: 60,
              },
              emphasis: {
                label: {
                  position: "bottom",
                  show: true,
                },
              },
            }
          : undefined,
    };
    if (props.type === "areaChart") {
      serie.areaStyle = {
        opacity: 0.4,
      };
    }
    return serie;
  });
  let color: string[] = [];
  switch (keys.length) {
    case 2:
      color = ["#FF6A84", "#a0b1e6"];
      break;
    case 1:
      color = ["#3f96e3"];
      break;
    default:
      color = [
        "#30A4EB",
        "#45BFC0",
        "#FFCC55",
        "#FF6A84",
        "#a0a7e6",
        "#c23531",
        "#2f4554",
        "#61a0a8",
        "#d48265",
        "#91c7ae",
        "#749f83",
        "#ca8622",
        "#bda29a",
        "#6e7074",
        "#546570",
        "#c4ccd3",
      ];
      break;
  }
  return {
    color,
    tooltip: {
      trigger: "axis",
      backgroundColor: "rgb(50,50,50)",
      textStyle: {
        fontSize: 13,
        color: "#ccc",
      },
      enterable: true,
      extraCssText: "max-height: 300px; overflow: auto;",
    },
    legend: {
      type: "scroll",
      show: keys.length === 1 ? false : true,
      icon: "circle",
      top: 0,
      left: 0,
      itemWidth: 12,
      textStyle: {
        color: props.theme === "dark" ? "#fff" : "#333",
      },
    },
    grid: {
      top: keys.length === 1 ? 15 : 55,
      left: 0,
      right: 10,
      bottom: 5,
      containLabel: true,
    },
    xAxis: {
      type: "category",
      axisTick: {
        lineStyle: { color: "#c1c5ca41" },
        alignWithLabel: true,
      },
      splitLine: { show: false },
      axisLine: { lineStyle: { color: "rgba(0,0,0,0)" } },
      axisLabel: { color: "#9da5b2", fontSize: "11" },
    },
    yAxis: {
      type: "value",
      axisLine: { show: false },
      axisTick: { show: false },
      splitLine: { lineStyle: { color: "#c1c5ca41", type: "dashed" } },
      axisLabel: { color: "#9da5b2", fontSize: "11" },
    },
    series: temp,
  };
}
</script>