Function isTSVFormat

src/component/toolbox/feature/DataView.ts:191–197

* If a block is tsv format

(block: string)

 * If a block is tsv format
 */
function isTSVFormat(block: string): boolean {
    // Simple method to find out if a block is tsv format
    const firstLine = block.slice(0, block.indexOf('\n'));
    if (firstLine.indexOf(ITEM_SPLITER) >= 0) {
        return true;
    }
}

const itemSplitRegex = new RegExp('[' + ITEM_SPLITER + ']+', 'g');
/**