@atlaskit/mention/dist/es2019/util/index.js

A React component used to display user profiles in a list for 'Mention' functionality

export const padArray = (arr, size, value) => {
  if (size === 0) {
    return arr;
  }
  const gap = new Array(size);
  gap.fill(value);
  return arr.length > 0 ? [...arr, ...gap] : gap;
};