nucleotide/src/addThreeTermBaseLoss.js

Deal with nucleotides and molecular formula

import { baseLoss } from './baseLoss.js';

export function addThreeTermBaseLoss(mfs, threeTerm, i, options) {
  if (!options.wxyzBaseLoss) return;
  let loss = baseLoss(threeTerm);

  for (const mf of loss) {
    if (options.w) {
      mfs.push(`HO${mf}`.replace('$', `$w${i} `));
    }
    if (options.x) {
      mfs.push(`H-1${mf}`.replace('$', `$x${i} `));
    }
    if (options.y) {
      mfs.push(`O-2P-1${mf}`.replace('$', `$y${i} `));
    }
    if (options.z) {
      mfs.push(`O-3H-1P-1(+)${mf}`.replace('$', `$z${i} `));
    }
  }
}