13 lines
259 B
JavaScript
13 lines
259 B
JavaScript
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module.exports = intersperse;
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function intersperse(arr, obj) {
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if (!arr.length) return [];
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if (arr.length === 1) return arr.slice(0);
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var items = [arr[0]];
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for (var i = 1, len = arr.length; i < len; ++i) {
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items.push(obj, arr[i]);
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}
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return items;
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}
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