17 lines
532 B
JavaScript
17 lines
532 B
JavaScript
function windowed(arr, size, step = 1, { partialWindows = false } = {}) {
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if (size <= 0 || !Number.isInteger(size)) {
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throw new Error('Size must be a positive integer.');
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}
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if (step <= 0 || !Number.isInteger(step)) {
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throw new Error('Step must be a positive integer.');
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}
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const result = [];
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const end = partialWindows ? arr.length : arr.length - size + 1;
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for (let i = 0; i < end; i += step) {
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result.push(arr.slice(i, i + size));
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}
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return result;
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}
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export { windowed };
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