42 lines
1.0 KiB
JavaScript
42 lines
1.0 KiB
JavaScript
import { useMemo } from 'react';
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/**
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* Get sticky column offset width
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*/
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function useStickyOffsets(colWidths, columCount, direction) {
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var stickyOffsets = useMemo(function () {
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var leftOffsets = [];
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var rightOffsets = [];
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var left = 0;
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var right = 0;
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for (var start = 0; start < columCount; start += 1) {
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if (direction === 'rtl') {
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// Left offset
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rightOffsets[start] = right;
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right += colWidths[start] || 0; // Right offset
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var end = columCount - start - 1;
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leftOffsets[end] = left;
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left += colWidths[end] || 0;
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} else {
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// Left offset
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leftOffsets[start] = left;
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left += colWidths[start] || 0; // Right offset
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var _end = columCount - start - 1;
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rightOffsets[_end] = right;
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right += colWidths[_end] || 0;
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}
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}
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return {
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left: leftOffsets,
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right: rightOffsets
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};
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}, [colWidths, columCount, direction]);
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return stickyOffsets;
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}
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export default useStickyOffsets; |