@gravity-ui/uikit
Version:
Gravity UI base styling and components
37 lines (36 loc) • 1.44 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.flattenItems = flattenItems;
const getListItemId_1 = require("./getListItemId.js");
const groupItemId_1 = require("./groupItemId.js");
const isTreeItemGuard_1 = require("./isTreeItemGuard.js");
function flattenItems({ items, getItemId, expandedById = {}, }) {
const rootIds = [];
const getNestedIds = (order, item, index, parentId) => {
const groupedId = (0, groupItemId_1.getGroupItemId)(index, parentId);
const id = (0, getListItemId_1.getListItemId)({ groupedId, item, getItemId });
// only top level array
if (!parentId) {
rootIds.push(id);
}
order.push(id);
if ((0, isTreeItemGuard_1.isTreeItemGuard)(item) && item.children) {
// don't include collapsed groups
if (!(id in expandedById && !expandedById[id])) {
order.push(...item.children.reduce((acc, item, idx) => getNestedIds(acc, item, idx, id), []));
}
}
return order;
};
const visibleFlattenIds = items.reduce((acc, item, index) => getNestedIds(acc, item, index), []);
const idToFlattenIndex = {};
for (const [item, index] of visibleFlattenIds.entries()) {
idToFlattenIndex[index] = item;
}
return {
rootIds,
visibleFlattenIds,
idToFlattenIndex,
};
}
//# sourceMappingURL=flattenItems.js.map