Cabinet job totals: linear stock and sheet count

export function linearList(linear) {
  const g = new Map();
  for (const p of linear.map(cleanPart).filter(Boolean)) {
    const k = p.material + '|' + p.thickness + '|' + p.width;
    if (!g.has(k)) g.set(k, { material: p.material, thickness: p.thickness, width: p.width, pieces: 0, length: 0 });
    const e = g.get(k);
    e.pieces += p.qty; e.length += p.qty * p.length;
  }
  return [...g.values()].map((e) => ({ ...e, length: r6(e.length) })).sort((a, b) => a.material.localeCompare(b.material) || a.width - b.width);
}

/** The pieces of a nest put together (also what the worker's answer is joined into). */
export function nestJoin(done, margin) {
  const mats = done.map((d) => d.mat), seq = done.flatMap((d) => d.seq), unplaced = done.flatMap((d) => d.unplaced);
  const sheets = mats.reduce((n, m) => n + m.result.sheets.length, 0);
  return { mats, seq, sheets, unplaced, margin, efficiency: mats.map((m) => ({ material: m.material, thickness: m.thickness, sheets: m.result.sheets.length, efficiency: m.result.efficiency, sheet: m.sheet })) };
}