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如何降低给定代码段的复杂性？我在 Sonarqube 中收到此错误---> 重构此方法以将其认知复杂度从 21 降低到允许的 15。

this.deviceDetails = this.data && {...this.data.deviceInfo} || {};
    if (this.data && this.data.deviceInfo) {
      this.getSessionInfo();
      // tslint:disable-next-line: no-shadowed-variable
      const { device, driver, ipAddress, port, active, connectionType } = this.data.deviceInfo;
      this.deviceDetails = {
        name: device.name || '',
        manufacturer: device.manufacturer || '',
        deviceType: device.deviceType || '',
        model: device.model || '',
        description: device.description || '',
        managerId: device.deviceManager && device.deviceManager.managerId || null,
        locationId: device.location && device.location.locationId || null,
        active: device.active,
        connectionType: connectionType || null,
        driver_id: driver && driver.driverId || …