/
legacyUtil.tsx
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/
legacyUtil.tsx
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import * as React from 'react';
import toArray from 'rc-util/lib/Children/toArray';
import warning from 'rc-util/lib/warning';
import {
DataNode,
LegacyDataNode,
ChangeEventExtra,
InnerDataNode,
RawValueType,
LegacyCheckedNode,
} from '../interface';
import TreeNode from '../TreeNode';
export function convertChildrenToData(nodes: React.ReactNode): DataNode[] {
return toArray(nodes)
.map((node: React.ReactElement) => {
if (!React.isValidElement(node) || !node.type) {
return null;
}
const {
key,
props: { children, value, ...restProps },
} = node as React.ReactElement;
const data = {
key,
value,
...restProps,
};
const childData = convertChildrenToData(children);
if (childData.length) {
data.children = childData;
}
return data;
})
.filter(data => data);
}
export function fillLegacyProps(dataNode: DataNode): LegacyDataNode {
// Skip if not dataNode exist
if (!dataNode) {
return dataNode as LegacyDataNode;
}
const cloneNode = { ...dataNode };
if (!('props' in cloneNode)) {
Object.defineProperty(cloneNode, 'props', {
get() {
warning(
false,
'New `rc-tree-select` not support return node instance as argument anymore. Please consider to remove `props` access.',
);
return cloneNode;
},
});
}
return cloneNode as LegacyDataNode;
}
export function fillAdditionalInfo(
extra: ChangeEventExtra,
triggerValue: RawValueType,
checkedValues: RawValueType[],
treeData: InnerDataNode[],
showPosition: boolean,
) {
let triggerNode: React.ReactNode = null;
let nodeList: LegacyCheckedNode[] = null;
function generateMap() {
function dig(list: InnerDataNode[], level = '0', parentIncluded = false) {
return list
.map((dataNode, index) => {
const pos = `${level}-${index}`;
const included = checkedValues.includes(dataNode.value);
const children = dig(dataNode.children || [], pos, included);
const node = <TreeNode {...dataNode}>{children.map(child => child.node)}</TreeNode>;
// Link with trigger node
if (triggerValue === dataNode.value) {
triggerNode = node;
}
if (included) {
const checkedNode: LegacyCheckedNode = {
pos,
node,
children,
};
if (!parentIncluded) {
nodeList.push(checkedNode);
}
return checkedNode;
}
return null;
})
.filter(node => node);
}
if (!nodeList) {
nodeList = [];
dig(treeData);
// Sort to keep the checked node length
nodeList.sort(
(
{
node: {
props: { value: val1 },
},
},
{
node: {
props: { value: val2 },
},
},
) => {
const index1 = checkedValues.indexOf(val1);
const index2 = checkedValues.indexOf(val2);
return index1 - index2;
},
);
}
}
Object.defineProperty(extra, 'triggerNode', {
get() {
warning(false, '`triggerNode` is deprecated. Please consider decoupling data with node.');
generateMap();
return triggerNode;
},
});
Object.defineProperty(extra, 'allCheckedNodes', {
get() {
warning(false, '`allCheckedNodes` is deprecated. Please consider decoupling data with node.');
generateMap();
if (showPosition) {
return nodeList;
}
return nodeList.map(({ node }) => node);
},
});
}