ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
61 lines • 8.83 kB
JavaScript
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
export function isCheckDisabled(node) {
const { isDisabled, isDisableCheckbox } = node;
return !!(isDisabled || isDisableCheckbox);
}
export function isInArray(needle, haystack) {
return haystack.length > 0 && haystack.indexOf(needle) > -1;
}
export function getPosition(level, index) {
return `${level}-${index}`;
}
export function getKey(key, pos) {
if (key !== null && key !== undefined) {
return key;
}
return pos;
}
/**
* Flat nest tree data into flatten list. This is used for virtual list render.
*
* @param treeNodeList Origin data node list
* @param expandedKeys
* need expanded keys, provides `true` means all expanded (used in `rc-tree-select`).
*/
export function flattenTreeData(treeNodeList = [], expandedKeys = []) {
const expandedKeySet = new Set(expandedKeys === true ? [] : expandedKeys);
const flattenList = [];
function dig(list, parent = null) {
return list.map((treeNode, index) => {
const pos = getPosition(parent ? parent.pos : '0', index);
const mergedKey = getKey(treeNode.key, pos);
treeNode.isStart = [...(parent ? parent.isStart : []), index === 0];
treeNode.isEnd = [...(parent ? parent.isEnd : []), index === list.length - 1];
// Add FlattenDataNode into list
// TODO: only need data here.
const flattenNode = {
parent,
pos,
children: [],
data: treeNode,
isStart: [...(parent ? parent.isStart : []), index === 0],
isEnd: [...(parent ? parent.isEnd : []), index === list.length - 1]
};
flattenList.push(flattenNode);
// Loop treeNode children
if (expandedKeys === true || expandedKeySet.has(mergedKey) || treeNode.isExpanded) {
flattenNode.children = dig(treeNode.children || [], flattenNode);
}
else {
flattenNode.children = [];
}
return flattenNode;
});
}
dig(treeNodeList);
return flattenList;
}
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