Function textTable

tools/eslint-formatter-multi/src/lib/text-table.ts:40–78

(
  rows_: (string | number)[][],
  opts: TextTableOptions = {},
)

};

export function textTable(
  rows_: (string | number)[][],
  opts: TextTableOptions = {},
): string {
  const hsep = '  ';
  const align = opts.align ?? [];
  const stringLength = opts.stringLength ?? ((str: string) => str.length);

  const sizes = rows_.reduce((acc: number[], row: (string | number)[]) => {
    row.forEach((c: string | number, ix: number) => {
      const n = stringLength(String(c));

      if (!acc[ix] || n > acc[ix]) {
        // eslint-disable-next-line functional/immutable-data,no-param-reassign
        acc[ix] = n;
      }
    });
    return acc;
  }, []);

  return rows_
    .map((row: (string | number)[]) =>
      row
        .map((c: string | number, ix: number) => {
          const cellStr = String(c);
          const n = (sizes[ix] ?? 0) - stringLength(cellStr) || 0;
          const s = Array.from({ length: Math.max(n + 1, 1) }).join(' ');

          if (align[ix] === 'r') {
            return s + cellStr;
          }

          return cellStr + s;
        })
        .join(hsep)
        .trimEnd(),
    )
    .join('\n');
}