async saveDashboard()

in src/store/modules/dashboard.ts [372:431]
57 lines of code
11 McCabe index (conditional complexity)

    async saveDashboard() {
      if (!this.currentDashboard?.name) {
        ElMessage.error("The dashboard name is needed.");
        return;
      }
      const c = {
        children: this.layout,
        ...this.currentDashboard,
      };
      let res: Recordable;
      let json;

      if (this.currentDashboard.id) {
        res = await this.updateDashboard({
          id: this.currentDashboard.id,
          configuration: JSON.stringify(c),
        });
        json = res.data.changeTemplate;
      } else {
        c.isRoot = false;
        const index = this.dashboards.findIndex(
          (d: DashboardItem) =>
            d.name === this.currentDashboard?.name &&
            d.entity === this.currentDashboard.entity &&
            d.layer === this.currentDashboard?.layer,
        );
        if (index > -1) {
          ElMessage.error("The dashboard name cannot be duplicate");
          return;
        }
        res = await graphql.query("addNewTemplate").params({ setting: { configuration: JSON.stringify(c) } });

        json = res.data.addTemplate;
        if (!json.status) {
          ElMessage.error(json.message);
        }
      }
      if (res.errors) {
        ElMessage.error(res.errors);
        return res;
      }
      if (!json.status) {
        return json;
      }
      if (!this.currentDashboard.id) {
        ElMessage.success("Saved successfully");
      }
      const key = [this.currentDashboard.layer, this.currentDashboard.entity, this.currentDashboard.name].join("_");
      this.currentDashboard.id = json.id;
      if (this.currentDashboard.id) {
        sessionStorage.removeItem(key);
        this.dashboards = this.dashboards.filter((d: DashboardItem) => d.id !== this.currentDashboard?.id);
      }
      this.dashboards.push(this.currentDashboard);
      const l = { id: json.id, configuration: c };

      sessionStorage.setItem(key, JSON.stringify(l));
      sessionStorage.setItem("dashboards", JSON.stringify(this.dashboards));
      return json;
    },