ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
60 lines • 8.77 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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wpOiBGbGF0dGVuTm9kZVtdIHtcbiAgICByZXR1cm4gbGlzdC5tYXAoKHRyZWVOb2RlLCBpbmRleCkgPT4ge1xuICAgICAgY29uc3QgcG9zOiBzdHJpbmcgPSBnZXRQb3NpdGlvbihwYXJlbnQgPyBwYXJlbnQucG9zIDogJzAnLCBpbmRleCk7XG4gICAgICBjb25zdCBtZXJnZWRLZXkgPSBnZXRLZXkodHJlZU5vZGUua2V5LCBwb3MpO1xuICAgICAgdHJlZU5vZGUuaXNTdGFydCA9IFsuLi4ocGFyZW50ID8gcGFyZW50LmlzU3RhcnQgOiBbXSksIGluZGV4ID09PSAwXTtcbiAgICAgIHRyZWVOb2RlLmlzRW5kID0gWy4uLihwYXJlbnQgPyBwYXJlbnQuaXNFbmQgOiBbXSksIGluZGV4ID09PSBsaXN0Lmxlbmd0aCAtIDFdO1xuICAgICAgLy8gQWRkIEZsYXR0ZW5EYXRhTm9kZSBpbnRvIGxpc3RcbiAgICAgIC8vIFRPRE86IG9ubHkgbmVlZCBkYXRhIGhlcmUuXG4gICAgICBjb25zdCBmbGF0dGVuTm9kZTogRmxhdHRlbk5vZGUgPSB7XG4gICAgICAgIHBhcmVudCxcbiAgICAgICAgcG9zLFxuICAgICAgICBjaGlsZHJlbjogW10sXG4gICAgICAgIGRhdGE6IHRyZWVOb2RlLFxuICAgICAgICBpc1N0YXJ0OiBbLi4uKHBhcmVudCA/IHBhcmVudC5pc1N0YXJ0IDogW10pLCBpbmRleCA9PT0gMF0sXG4gICAgICAgIGlzRW5kOiBbLi4uKHBhcmVudCA/IHBhcmVudC5pc0VuZCA6IFtdKSwgaW5kZXggPT09IGxpc3QubGVuZ3RoIC0gMV1cbiAgICAgIH07XG5cbiAgICAgIGZsYXR0ZW5MaXN0LnB1c2goZmxhdHRlbk5vZGUpO1xuXG4gICAgICAvLyBMb29wIHRyZWVOb2RlIGNoaWxkcmVuXG4gICAgICBpZiAoZXhwYW5kZWRLZXlzID09PSB0cnVlIHx8IGV4cGFuZGVkS2V5U2V0LmhhcyhtZXJnZWRLZXkpIHx8IHRyZWVOb2RlLmlzRXhwYW5kZWQpIHtcbiAgICAgICAgZmxhdHRlbk5vZGUuY2hpbGRyZW4gPSBkaWcodHJlZU5vZGUuY2hpbGRyZW4gfHwgW10sIGZsYXR0ZW5Ob2RlKTtcbiAgICAgIH0gZWxzZSB7XG4gICAgICAgIGZsYXR0ZW5Ob2RlLmNoaWxkcmVuID0gW107XG4gICAgICB9XG5cbiAgICAgIHJldHVybiBmbGF0dGVuTm9kZTtcbiAgICB9KTtcbiAgfVxuXG4gIGRpZyh0cmVlTm9kZUxpc3QpO1xuICByZXR1cm4gZmxhdHRlbkxpc3Q7XG59XG4iXX0=