import { compose } from 'lib/lib';

export const buildFormatter = (formatters = []) => compose(...formatters);

export const prependSig = s => {
  if (!s || s.length <= 1) {
    return s || '';
  }

  return s.charAt(0) === '~' ? s : `~${s}`;
};

export const convertToNumber = s => {
  try {
    return parseInt(s, 10);
  } catch {
    return 0;
  }
};

export const downcase = s => {
  if (!s) {
    return s;
  }

  return s.toLowerCase();
};

// const hideAllButLast = s => {
//   const ll = s[s.length -1];
//   const bs = fill(s.length - 1, '•')
//   return `${bs}${ll}`
// };
//
// const hideAll = s => fill(s.length, '•');