chunk

Breaks entries into chunks of given size. 📦 😺 🏃 📼 🌔 📜 📰 📘

entries.chunk(x, [n], [s]);
// x: entries
// n: chunk size (1)
// s: chunk step (n)

const entries = require("extra-entries");

var x = [
  ["a", 1], ["b", 2], ["c", 3], ["d", 4],
  ["e", 5], ["f", 6], ["g", 7], ["h", 8]
];
entries.chunk(x, 3).map(x => [...x]);
// [
//   [ [ "a", 1 ], [ "b", 2 ], [ "c", 3 ] ],
//   [ [ "d", 4 ], [ "e", 5 ], [ "f", 6 ] ],
//   [ [ "g", 7 ], [ "h", 8 ] ]
// ]

entries.chunk(x, 2, 3).map(x => [...x]);
// [
//   [ [ "a", 1 ], [ "b", 2 ] ],
//   [ [ "d", 4 ], [ "e", 5 ] ],
//   [ [ "g", 7 ], [ "h", 8 ] ]
// ]

entries.chunk(x, 4, 3).map(x => [...x]);
// [
//   [ [ "a", 1 ], [ "b", 2 ], [ "c", 3 ], [ "d", 4 ] ],
//   [ [ "d", 4 ], [ "e", 5 ], [ "f", 6 ], [ "g", 7 ] ],
//   [ [ "g", 7 ], [ "h", 8 ] ]
// ]

References

• List-Extra.groupsOf: elm
• iterable_chunk: PHP
• array_chunk: PHP
• str_split: PHP
• numpy.split: Python
• _.chunk: lodash
• Array.inGroupsOf: sugarjs
• Array.inGroups: sugarjs
• even-chunks: @addaleax
• chunk: @ryancole
• iterable.chunk: @zhiyelee
• chunk-iterable: @haio