Function findNextLookUpField

packages/widget-sdk/src/subscribe/datasheet_map.ts:62–86

(field: ILookUpField, fieldMap: IFieldMap, visitedField?: Set<string>)

    let index = 1;

    const findNextLookUpField = (field: ILookUpField, fieldMap: IFieldMap, visitedField?: Set<string>) => {
      const _visitedField = visitedField || new Set();
      if (_visitedField.has(field.id)) {
        return;
      }
      _visitedField.add(field.id);
      // The actual fields of this table lookup query.
      const lookUpTargetField = (Field.bindModel(field) as LookUpField).getLookUpTargetField();
      if (!lookUpTargetField) {
        // The foreign key data for this table is not loaded.
        const foreignField = fieldMap[field.property.relatedLinkFieldId] as ILinkField;
        if (foreignField && (foreignField.type === FieldType.Link || foreignField.type === FieldType.OneWayLink)) {
          console.log(`2.${index}.1 "${field.name}" the data of the queried table (${foreignField.property.foreignDatasheetId}) is not loaded`);
          linkLookUpField(foreignField.property.foreignDatasheetId, _visitedDst);
        }
      } else {
        console.log(`2.${index}.1 "${field.name}" the actual field of the query is: 「${lookUpTargetField.name}」`, { lookUpTargetField });
      }
      // lookup lookup le lookup
      // The lookup of this table looks up another lookup field of the foreign key table.
      if (lookUpTargetField && lookUpTargetField.type === FieldType.LookUp) {
        console.log(`2.${index}.2 "${lookUpTargetField.name}" is also a lookup field`);
        findNextLookUpField(lookUpTargetField, fieldMap, _visitedField);
      }
    };

    for (const field of lookUpFields) {
      findNextLookUpField(field, fieldMap);