Method keys

lit_nlp/client/modules/data_table_module.ts:125–152

()

  // Column names from the current data for the data table.
  @computed
  get keys(): ColumnHeader[] {
    function createColumnHeader(name: string, type: LitType) {
      const [minWidth, maxWidth] = type.name in LIT_TYPE_MIN_MAX_WIDTHS ?
        LIT_TYPE_MIN_MAX_WIDTHS[type.name] : [];

      const header = {
        name,
        maxWidth,
        minWidth,
        width: maxWidth,
        vocab: (type as LitTypeWithVocab).vocab
      };

      if (type instanceof BooleanLitType) {
        header.vocab = ['✔', ' '];
      }
      return header;
    }

    // Use currentInputData to get keys / column names because filteredData
    // might have 0 length;
    const keyNames = this.appState.currentInputDataKeys;
    const keys =
        keyNames.map(key => createColumnHeader(key, this.dataSpec[key]));
    const dataKeys = this.dataService.cols.map(
        col => createColumnHeader(col.name, col.dataType));
    return keys.concat(dataKeys);
  }

  // Filtered keys that hide ones tagged as not to be shown by default in the
  // data table. The filtered ones can still be enabled through the "Columns"