11 lines
245 B
JavaScript
11 lines
245 B
JavaScript
function keyBy(map, getKeyFromEntry) {
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const result = new Map();
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for (const [key, value] of map) {
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const newKey = getKeyFromEntry(value, key, map);
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result.set(newKey, value);
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}
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return result;
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}
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export { keyBy };
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