antd
Version:
An enterprise-class UI design language and React components implementation
71 lines (70 loc) • 1.99 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _react = require("react");
var _warning = require("../../_util/warning");
// Calculate the sum of span in a row
function getCalcRows(rowItems, mergedColumn) {
let rows = [];
let tmpRow = [];
let exceed = false;
let count = 0;
rowItems.filter(n => n).forEach(rowItem => {
const {
filled,
...restItem
} = rowItem;
if (filled) {
tmpRow.push(restItem);
rows.push(tmpRow);
// reset
tmpRow = [];
count = 0;
return;
}
const restSpan = mergedColumn - count;
count += rowItem.span || 1;
if (count >= mergedColumn) {
if (count > mergedColumn) {
exceed = true;
tmpRow.push({
...restItem,
span: restSpan
});
} else {
tmpRow.push(restItem);
}
rows.push(tmpRow);
// reset
tmpRow = [];
count = 0;
} else {
tmpRow.push(restItem);
}
});
if (tmpRow.length > 0) {
rows.push(tmpRow);
}
rows = rows.map(rows => {
const count = rows.reduce((acc, item) => acc + (item.span || 1), 0);
if (count < mergedColumn) {
// If the span of the last element in the current row is less than the column, then add its span to the remaining columns
const last = rows[rows.length - 1];
last.span = mergedColumn - (count - (last.span || 1));
return rows;
}
return rows;
});
return [rows, exceed];
}
const useRow = (mergedColumn, items) => {
const [rows, exceed] = (0, _react.useMemo)(() => getCalcRows(items, mergedColumn), [items, mergedColumn]);
if (process.env.NODE_ENV !== 'production') {
const warning = (0, _warning.devUseWarning)('Descriptions');
process.env.NODE_ENV !== "production" ? warning(!exceed, 'usage', 'Sum of column `span` in a line not match `column` of Descriptions.') : void 0;
}
return rows;
};
var _default = exports.default = useRow;