How to use

createRequiredColumns

function

in

Array

/**
  * Creates a user mapping table with the minimum required columns followed by the additional columns
  * @param  {string} tableName name of the table
  * @param  {module:user/userColumn~UserColumn[]} [columns] additional columns
  * @return {module:extension/relatedTables~UserMappingTable}
  */
 static create(tableName: string, columns?: UserColumn[]): UserMappingTable {
  let allColumns = UserMappingTable.createRequiredColumns(0);
  if (columns) {
   allColumns = allColumns.concat(columns);
  }
  return new UserMappingTable(tableName, allColumns, UserMappingTable.requiredColumns());
 }

/**
  * Get the number of required columns
  * @return {Number}
  */
 static numRequiredColumns(): number {
  return UserMappingTable.createRequiredColumns(0).length;
 }

/**
  * Create the columns
  * @return {module:user/userColumn~UserColumn[]}
  */
 static createColumns(): UserColumn[] {
  const columns = UserMappingTable.createRequiredColumns();
  const index = columns.length;
  columns.push(
   UserCustomColumn.createColumn(
    index,
    StyleMappingTable.COLUMN_GEOMETRY_TYPE_NAME,
    GeoPackageDataType.TEXT,
    undefined,
    false,
    undefined,
   ),
  );
  return columns;
 }

 tileMatrixSetSrsId: number,
): TileMatrixSet {
 const columns = TileTable.createRequiredColumns(0);
 const tileTable = new TileTable(tableName, columns);
 const contents = new Contents();

static createRequiredColumns(): UserColumn[] {
  return MediaTable.createRequiredColumns();
 }

/**
  * Create the columns
  * @return {module:user/userColumn~UserColumn[]}
  */
 static createColumns(): UserColumn[] {
  const columns = IconTable.createRequiredColumns();
  let index = columns.length;
  columns.push(
   UserCustomColumn.createColumn(index++, IconTable.COLUMN_NAME, GeoPackageDataType.TEXT, undefined, false, undefined),
  );
  columns.push(
   UserCustomColumn.createColumn(index++, IconTable.COLUMN_DESCRIPTION, GeoPackageDataType.TEXT, undefined, false, undefined),
  );
  columns.push(
   UserCustomColumn.createColumn(index++, IconTable.COLUMN_WIDTH, GeoPackageDataType.REAL, undefined, false, undefined),
  );
  columns.push(
   UserCustomColumn.createColumn(index++, IconTable.COLUMN_HEIGHT, GeoPackageDataType.REAL, undefined, false, undefined),
  );
  columns.push(
   UserCustomColumn.createColumn(index++, IconTable.COLUMN_ANCHOR_U, GeoPackageDataType.REAL, undefined, false, undefined),
  );
  columns.push(
   UserCustomColumn.createColumn(index, IconTable.COLUMN_ANCHOR_V, GeoPackageDataType.REAL, undefined, false, undefined),
  );
  return columns;
 }

};
IconTable.createRequiredColumns = function () {
  return mediaTable_1.MediaTable.createRequiredColumns();
};
  var columns = IconTable.createRequiredColumns();
  var index = columns.length;
  columns.push(userCustomColumn_1.UserCustomColumn.createColumn(index++, IconTable.COLUMN_NAME, geoPackageDataType_1.GeoPackageDataType.TEXT, undefined, false, undefined));

/**
  * Create a media table with a minimum required columns followed by the additional columns
  * @param  {string} tableName         name of the table
  * @param  {module:user/userColumn~UserColumn[]} [additionalColumns] additional columns
  * @return {module:extension/relatedTables~MediaTable}
  */
 static create(tableName: string, additionalColumns?: UserColumn[]): MediaTable {
  let columns = MediaTable.createRequiredColumns();
  if (additionalColumns) {
   columns = columns.concat(additionalColumns);
  }
  return new MediaTable(tableName, columns, MediaTable.requiredColumns());
 }

/**
  * Create a simple attributes table with the columns
  * @param  {string} tableName name of the table
  * @param  {module:user/userColumn~UserColumn[]} additionalColumns additional columns
  * @return {module:extension/relatedTables~SimpleAttributesTable}
  */
 static create(tableName: string, additionalColumns?: UserColumn[]): SimpleAttributesTable {
  let tableColumns = SimpleAttributesTable.createRequiredColumns(0);
  if (additionalColumns) {
   tableColumns = tableColumns.concat(additionalColumns);
  }
  return new SimpleAttributesTable(tableName, tableColumns, SimpleAttributesTable.requiredColumns());
 }