Created
February 19, 2019 14:26
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Multiple implementations of partition function in JavaScript.
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| function partition(array, partitionSize) { | |
| if (partitionSize >= array.length) | |
| return array; | |
| var result = []; | |
| var partition = []; | |
| for (var i = 0; i < array.length; i++) { | |
| if (partition.length < partitionSize) { | |
| partition.push(array[i]); | |
| console.log(partition); | |
| } | |
| if (partition.length === partitionSize) { | |
| result.push(partition.slice(0)); | |
| partition = []; | |
| } | |
| if (i === array.length - 1 && partition.length > 0) { | |
| result.push(partition.slice(0)); | |
| } | |
| } | |
| return result; | |
| } | |
| function partitionr(array, partitionSize) { | |
| return array.reduce(function (p, c, i, a) { | |
| var partition = p[p.length - 1]; | |
| if (partition == null || partition.length === partitionSize) { | |
| partition = []; | |
| partition.push(c); | |
| p.push(partition); | |
| } else if (partition.length < partitionSize) { | |
| partition.push(c); | |
| } | |
| return p; | |
| }, []); | |
| } |
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