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export default function splitArray(arr, key, get=obj=>obj){
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let payload = [[]];
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arr.forEach((obj, i) => {
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let nextObj = arr[i+1];
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payload[payload.length-1].push(get(obj));
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if (!nextObj) return payload;
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if (key(obj) !== key(nextObj)) payload.push([]);
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})
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return payload;
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} |