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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
/** * Splits the given array into chunks of the given size and returns them * * Example: * * ```typescript * const words = [ 'lorem', 'ipsum', 'dolor', 'sit', 'amet', 'consetetur', 'sadipscing' ] * const chunks = chunked(words, 3) * * console.assert(chunks === [ *     [ 'lorem', 'ipsum', 'dolor' ], *     [ 'sit', 'amet', 'consetetur' ], *     [ 'sadipscing' ], * ]) * ``` */export function chunked<T>(  array: Array<T>,  size: number,): Array<Array<T>> {  if (size <= 0 || !Number.isInteger(size)) {    throw new Error(      `Expected size to be an integer greather than 0 but found ${size}`,    );  }
  if (array.length === 0) {    return [];  }
  const ret = new Array(Math.ceil(array.length / size));  let readIndex = 0;  let writeIndex = 0;
  while (readIndex < array.length) {    ret[writeIndex] = array.slice(readIndex, readIndex + size);
    writeIndex += 1;    readIndex += size;  }
  return ret;}