37 lines
1.0 KiB
JavaScript
37 lines
1.0 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _react = require("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, flattenColumns, direction) {
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var stickyOffsets = (0, _react.useMemo)(function () {
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var columnCount = flattenColumns.length;
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var getOffsets = function getOffsets(startIndex, endIndex, offset) {
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var offsets = [];
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var total = 0;
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for (var i = startIndex; i !== endIndex; i += offset) {
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offsets.push(total);
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if (flattenColumns[i].fixed) {
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total += colWidths[i] || 0;
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}
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}
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return offsets;
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};
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var startOffsets = getOffsets(0, columnCount, 1);
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var endOffsets = getOffsets(columnCount - 1, -1, -1).reverse();
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return direction === 'rtl' ? {
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left: endOffsets,
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right: startOffsets
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} : {
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left: startOffsets,
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right: endOffsets
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};
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}, [colWidths, flattenColumns, direction]);
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return stickyOffsets;
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}
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var _default = exports.default = useStickyOffsets;
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