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Last change
on this file was a762898, checked in by istevanoska <ilinastevanoska@…>, 5 months ago |
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Added visualizations
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100644
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File size:
348 bytes
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| 1 | function groupBy(arr, getKeyFromItem) {
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| 2 | const result = {};
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| 3 | for (let i = 0; i < arr.length; i++) {
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| 4 | const item = arr[i];
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| 5 | const key = getKeyFromItem(item, i, arr);
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| 6 | if (!Object.hasOwn(result, key)) {
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| 7 | result[key] = [];
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| 8 | }
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| 9 | result[key].push(item);
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| 10 | }
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| 11 | return result;
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| 12 | }
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| 13 |
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| 14 | export { groupBy };
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