53 lines
1.7 KiB
JavaScript
53 lines
1.7 KiB
JavaScript
import { useMemo } from 'react';
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import { devUseWarning } from '../../_util/warning';
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function getFilledItem(rowItem, rowRestCol, span) {
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let clone = rowItem;
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let exceed = false;
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if (span === undefined || span > rowRestCol) {
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clone = Object.assign(Object.assign({}, rowItem), {
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span: rowRestCol
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});
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exceed = span !== undefined;
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}
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return [clone, exceed];
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}
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// Calculate the sum of span in a row
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function getCalcRows(rowItems, mergedColumn) {
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const rows = [];
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let tmpRow = [];
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let rowRestCol = mergedColumn;
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let exceed = false;
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rowItems.filter(n => n).forEach((rowItem, index) => {
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const span = rowItem === null || rowItem === void 0 ? void 0 : rowItem.span;
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const mergedSpan = span || 1;
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// Additional handle last one
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if (index === rowItems.length - 1) {
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const [item, itemExceed] = getFilledItem(rowItem, rowRestCol, span);
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exceed = exceed || itemExceed;
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tmpRow.push(item);
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rows.push(tmpRow);
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return;
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}
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if (mergedSpan < rowRestCol) {
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rowRestCol -= mergedSpan;
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tmpRow.push(rowItem);
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} else {
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const [item, itemExceed] = getFilledItem(rowItem, rowRestCol, mergedSpan);
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exceed = exceed || itemExceed;
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tmpRow.push(item);
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rows.push(tmpRow);
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rowRestCol = mergedColumn;
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tmpRow = [];
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}
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});
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return [rows, exceed];
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}
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const useRow = (mergedColumn, items) => {
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const [rows, exceed] = useMemo(() => getCalcRows(items, mergedColumn), [items, mergedColumn]);
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if (process.env.NODE_ENV !== 'production') {
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const warning = devUseWarning('Descriptions');
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process.env.NODE_ENV !== "production" ? warning(!exceed, 'usage', 'Sum of column `span` in a line not match `column` of Descriptions.') : void 0;
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}
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return rows;
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};
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export default useRow; |