ant-design-vue/components/vc-tree-select/hooks/useTreeData.ts

152 lines
3.8 KiB
TypeScript
Raw Normal View History

2021-08-20 13:39:59 +00:00
import { warning } from 'ant-design-vue/es/vc-util/warning';
import type { ComputedRef, Ref } from 'vue';
import { computed } from 'vue';
import type {
DataNode,
InternalDataEntity,
SimpleModeConfig,
RawValueType,
FieldNames,
} from '../interface';
import { convertChildrenToData } from '../utils/legacyUtil';
const MAX_WARNING_TIMES = 10;
function parseSimpleTreeData(
treeData: DataNode[],
{ id, pId, rootPId }: SimpleModeConfig,
): DataNode[] {
const keyNodes = {};
const rootNodeList = [];
// Fill in the map
const nodeList = treeData.map(node => {
const clone = { ...node };
const key = clone[id];
keyNodes[key] = clone;
clone.key = clone.key || key;
return clone;
});
// Connect tree
nodeList.forEach(node => {
const parentKey = node[pId];
const parent = keyNodes[parentKey];
// Fill parent
if (parent) {
parent.children = parent.children || [];
parent.children.push(node);
}
// Fill root tree node
if (parentKey === rootPId || (!parent && rootPId === null)) {
rootNodeList.push(node);
}
});
return rootNodeList;
}
/**
* Format `treeData` with `value` & `key` which is used for calculation
*/
function formatTreeData(
treeData: DataNode[],
getLabelProp: (node: DataNode) => any,
fieldNames: FieldNames,
): InternalDataEntity[] {
let warningTimes = 0;
const valueSet = new Set<RawValueType>();
// Field names
const { value: fieldValue, children: fieldChildren } = fieldNames;
function dig(dataNodes: DataNode[]) {
return (dataNodes || []).map(node => {
const { key, disableCheckbox, disabled } = node;
const value = node[fieldValue];
const mergedValue = fieldValue in node ? value : key;
const dataNode: InternalDataEntity = {
disableCheckbox,
disabled,
key: key !== null && key !== undefined ? key : mergedValue,
value: mergedValue,
title: getLabelProp(node),
node,
};
2021-08-22 08:59:13 +00:00
if (node.slots) {
dataNode.slots = node.slots;
}
2021-08-20 13:39:59 +00:00
// Check `key` & `value` and warning user
if (process.env.NODE_ENV !== 'production') {
if (
key !== null &&
key !== undefined &&
value !== undefined &&
String(key) !== String(value) &&
warningTimes < MAX_WARNING_TIMES
) {
warningTimes += 1;
warning(
false,
`\`key\` or \`value\` with TreeNode must be the same or you can remove one of them. key: ${key}, value: ${value}.`,
);
}
warning(!valueSet.has(value), `Same \`value\` exist in the tree: ${value}`);
valueSet.add(value);
}
if (fieldChildren in node) {
dataNode.children = dig(node[fieldChildren]);
}
return dataNode;
});
}
return dig(treeData);
}
/**
* Convert `treeData` or `children` into formatted `treeData`.
* Will not re-calculate if `treeData` or `children` not change.
*/
export default function useTreeData(
treeData: Ref<DataNode[]>,
children: Ref<any[]>,
{
getLabelProp,
simpleMode,
fieldNames,
}: {
getLabelProp: (node: DataNode) => any;
simpleMode: Ref<boolean | SimpleModeConfig>;
fieldNames: Ref<FieldNames>;
},
): ComputedRef<InternalDataEntity[]> {
return computed(() => {
if (treeData.value) {
return formatTreeData(
simpleMode.value
? parseSimpleTreeData(treeData.value, {
id: 'id',
pId: 'pId',
rootPId: null,
...(simpleMode.value !== true ? simpleMode.value : {}),
})
: treeData.value,
getLabelProp,
fieldNames.value,
);
} else {
return formatTreeData(convertChildrenToData(children.value), getLabelProp, fieldNames.value);
}
});
}