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import { sprintf, s__ } from '~/locale';
/**
* Combines each given item into a noun series sentence fragment. It does this
* in a way that supports i18n by giving context and punctuation to the locale
* functions.
*
* **Examples:**
*
* - `["A", "B"] => "A and B"`
* - `["A", "B", "C"] => "A, B, and C"`
*
* **Why only nouns?**
*
* Some languages need a bit more context to translate other series.
*
* @param {String[]} items
*/
export const toNounSeriesText = items => {
if (items.length === 0) {
return '';
} else if (items.length === 1) {
return items[0];
} else if (items.length === 2) {
return sprintf(s__('nounSeries|%{firstItem} and %{lastItem}'), {
firstItem: items[0],
lastItem: items[1],
});
}
return items.reduce((item, nextItem, idx) =>
idx === items.length - 1
? sprintf(s__('nounSeries|%{item}, and %{lastItem}'), { item, lastItem: nextItem })
: sprintf(s__('nounSeries|%{item}, %{nextItem}'), { item, nextItem }),
);
};
export default {
toNounSeriesText,
};
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