Shorten String

shortenString.js

function shortenString(s, limit = 15, skippedReplacer = '...') {
  if (!s || s.length <= limit) return s;

  const trimmedLength =
    Math.max(limit, skippedReplacer.length + 2) - skippedReplacer.length;
  const chunkLength = Math.floor(trimmedLength / 2);
  const [head, tail] = [
    s.substring(0, chunkLength + (trimmedLength % 2)),
    s.substring(s.length - chunkLength, s.length),
  ];
  return `${head}${skippedReplacer}${tail}`;
}