@mantine/core
Version:
React components library focused on usability, accessibility and developer experience
33 lines (32 loc) • 1.21 kB
JavaScript
"use client";
//#region packages/@mantine/core/src/components/Tree/flatten-tree-data/flatten-tree-data.ts
function flattenTreeDataTo(acc, data, expandedState, parent, level, ancestorIsLast) {
for (let i = 0; i < data.length; i++) {
const node = data[i];
const isLast = i === data.length - 1;
const hasLoadedChildren = Array.isArray(node.children);
const hasAsyncChildren = !!node.hasChildren && !hasLoadedChildren;
const hasChildren = hasLoadedChildren || hasAsyncChildren;
const expanded = expandedState[node.value] || false;
const linesPath = [];
for (let l = 2; l <= level; l++) if (l === level) linesPath.push(isLast ? "closing" : "continuing");
else linesPath.push(ancestorIsLast[l - 1] ? "none" : "continuing");
acc.push({
node,
level,
parent,
hasChildren,
expanded,
linesPath
});
if (expanded && hasLoadedChildren) flattenTreeDataTo(acc, node.children, expandedState, node.value, level + 1, [...ancestorIsLast, isLast]);
}
}
function flattenTreeData(data, expandedState) {
const result = [];
flattenTreeDataTo(result, data, expandedState, null, 1, []);
return result;
}
//#endregion
export { flattenTreeData };
//# sourceMappingURL=flatten-tree-data.mjs.map