15 lines
346 B
JavaScript
15 lines
346 B
JavaScript
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/* @flow */
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function filterItems(items: Array<string|number>): Array<string|number> {
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return items.map(item => {
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if (typeof item === 'string') {
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return item.length > 2 ? item : null;
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} else {
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return item*10;
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}
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}).filter(Boolean);
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}
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const filteredItems = filterItems(['foo', 'b', 1, 2]);
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console.log(filteredItems);
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