22 lines
554 B
JavaScript
22 lines
554 B
JavaScript
import { toChildArray } from 'preact';
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const mapFn = (children, fn) => {
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if (children == null) return null;
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return toChildArray(toChildArray(children).map(fn));
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};
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// This API is completely unnecessary for Preact, so it's basically passthrough.
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export const Children = {
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map: mapFn,
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forEach: mapFn,
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count(children) {
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return children ? toChildArray(children).length : 0;
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},
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only(children) {
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const normalized = toChildArray(children);
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if (normalized.length !== 1) throw 'Children.only';
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return normalized[0];
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},
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toArray: toChildArray
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};
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