Add generic helper utils
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module.exports = {
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range (start, stop, step = 1) {
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if (stop == null) {
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stop = start || 0;
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start = 0;
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}
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let length = Math.max(Math.ceil((stop - start) / step), 0);
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let range = Array(length);
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for (const idx = 0; idx < length; idx++, start += step) {
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range[idx] = start;
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}
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return range;
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}
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};
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