| 1 | import { identityAsync } from '../util/identity';
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| 2 | export async function average(source, selector = identityAsync) {
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| 3 | let sum = 0;
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| 4 | let count = 0;
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| 5 | for await (const item of source) {
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| 6 | sum += await selector(item);
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| 7 | count++;
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| 8 | }
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| 9 | if (count === 0) {
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| 10 | throw new Error('Empty collection');
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| 11 | }
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| 12 | return sum / count;
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| 13 | }
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| 14 |
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| 15 | //# sourceMappingURL=average.mjs.map
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