25 lines
642 B
JavaScript
25 lines
642 B
JavaScript
// @ts-check
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const sliceSize = 1000;
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/**
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* Efficiently appends the source array to the destination array.
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* @template T
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* @param {T[]} destination Destination Array.
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* @param {T[]} source Source Array.
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* @returns {void}
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*/
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const appendToArray = (destination, source) => {
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// NOTE: destination.push(...source) throws "RangeError: Maximum call stack
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// size exceeded" for sufficiently lengthy source arrays
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let index = 0;
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let slice = null;
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while ((slice = source.slice(index, index + sliceSize)).length > 0) {
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destination.push(...slice);
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index += sliceSize;
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}
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};
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export default appendToArray;
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export { sliceSize };
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