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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:
355 bytes
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| [a762898] | 1 | 'use strict';
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| 2 |
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| 3 | Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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| 4 |
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| 5 | function countBy(set, mapper) {
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| 6 | const result = new Map();
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| 7 | for (const value of set) {
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| 8 | const mappedKey = mapper(value, value, set);
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| 9 | result.set(mappedKey, (result.get(mappedKey) ?? 0) + 1);
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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 | exports.countBy = countBy;
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