{"version":3,"file":"tree.mjs","sources":["../../../../../../packages/components/tree-select/src/tree.ts"],"sourcesContent":["// @ts-nocheck\nimport { computed, nextTick, toRefs, watch } from 'vue'\nimport { isEqual, pick } from 'lodash-unified'\nimport { UPDATE_MODEL_EVENT } from '@element-plus/constants'\nimport { isFunction } from '@element-plus/utils'\nimport ElTree from '@element-plus/components/tree'\nimport TreeSelectOption from './tree-select-option'\nimport {\n isValidArray,\n isValidValue,\n toValidArray,\n treeEach,\n treeFind,\n} from './utils'\nimport type { CacheOption } from './cache-options'\nimport type { Ref } from 'vue'\nimport type ElSelect from '@element-plus/components/select'\nimport type Node from '@element-plus/components/tree/src/model/node'\nimport type { TreeNodeData } from '@element-plus/components/tree/src/tree.type'\n\nexport const useTree = (\n props,\n { attrs, slots, emit },\n {\n select,\n tree,\n key,\n }: {\n select: Ref<InstanceType<typeof ElSelect> | undefined>\n tree: Ref<InstanceType<typeof ElTree> | undefined>\n key: Ref<string>\n }\n) => {\n watch(\n () => props.modelValue,\n () => {\n if (props.showCheckbox) {\n nextTick(() => {\n const treeInstance = tree.value\n if (\n treeInstance &&\n !isEqual(\n treeInstance.getCheckedKeys(),\n toValidArray(props.modelValue)\n )\n ) {\n treeInstance.setCheckedKeys(toValidArray(props.modelValue))\n }\n })\n }\n },\n {\n immediate: true,\n deep: true,\n }\n )\n\n const propsMap = computed(() => ({\n value: key.value,\n label: 'label',\n children: 'children',\n disabled: 'disabled',\n isLeaf: 'isLeaf',\n ...props.props,\n }))\n\n const getNodeValByProp = (\n prop: 'value' | 'label' | 'children' | 'disabled' | 'isLeaf',\n data: TreeNodeData\n ) => {\n const propVal = propsMap.value[prop]\n if (isFunction(propVal)) {\n return propVal(\n data,\n tree.value?.getNode(getNodeValByProp('value', data)) as Node\n )\n } else {\n return data[propVal as string]\n }\n }\n\n const defaultExpandedParentKeys = toValidArray(props.modelValue)\n .map((value) => {\n return treeFind(\n props.data || [],\n (data) => getNodeValByProp('value', data) === value,\n (data) => getNodeValByProp('children', data),\n (data, index, array, parent) =>\n parent && getNodeValByProp('value', parent)\n )\n })\n .filter((item) => isValidValue(item))\n\n const cacheOptions = computed(() => {\n if (!props.renderAfterExpand && !props.lazy) return []\n\n const options: CacheOption[] = []\n\n treeEach(\n props.data.concat(props.cacheData),\n (node) => {\n const value = getNodeValByProp('value', node)\n options.push({\n value,\n currentLabel: getNodeValByProp('label', node),\n isDisabled: getNodeValByProp('disabled', node),\n })\n },\n (data) => getNodeValByProp('children', data)\n )\n\n return options\n })\n\n const cacheOptionsMap = computed(() => {\n return cacheOptions.value.reduce(\n (prev, next) => ({ ...prev, [next.value]: next }),\n {}\n )\n })\n\n return {\n ...pick(toRefs(props), Object.keys(ElTree.props)),\n ...attrs,\n nodeKey: key,\n\n // only expand on click node when the `check-strictly` is false\n expandOnClickNode: computed(() => {\n return !props.checkStrictly && props.expandOnClickNode\n }),\n\n // show current selected node only first time,\n // fix the problem of expanding multiple nodes when checking multiple nodes\n defaultExpandedKeys: computed(() => {\n return props.defaultExpandedKeys\n ? props.defaultExpandedKeys.concat(defaultExpandedParentKeys)\n : defaultExpandedParentKeys\n }),\n\n renderContent: (h, { node, data, store }) => {\n return h(\n TreeSelectOption,\n {\n value: getNodeValByProp('value', data),\n label: getNodeValByProp('label', data),\n disabled: getNodeValByProp('disabled', data),\n },\n props.renderContent\n ? () => props.renderContent(h, { node, data, store })\n : slots.default\n ? () => slots.default({ node, data, store })\n : undefined\n )\n },\n filterNodeMethod: (value, data, node) => {\n if (props.filterNodeMethod)\n return props.filterNodeMethod(value, data, node)\n if (!value) return true\n return getNodeValByProp('label', data)?.includes(value)\n },\n onNodeClick: (data, node, e) => {\n attrs.onNodeClick?.(data, node, e)\n\n // `onCheck` is trigger when `checkOnClickNode`\n if (props.showCheckbox && props.checkOnClickNode) return\n\n // now `checkOnClickNode` is false, only no checkbox and `checkStrictly` or `isLeaf`\n if (!props.showCheckbox && (props.checkStrictly || node.isLeaf)) {\n if (!getNodeValByProp('disabled', data)) {\n const option = select.value?.options.get(\n getNodeValByProp('value', data)\n )\n select.value?.handleOptionSelect(option)\n }\n } else if (props.expandOnClickNode) {\n e.proxy.handleExpandIconClick()\n }\n },\n onCheck: (data, params) => {\n // ignore when no checkbox, like only `checkOnClickNode` is true\n if (!props.showCheckbox) return\n\n const dataValue = getNodeValByProp('value', data)\n\n // fix: checkedKeys has not cached keys\n const uncachedCheckedKeys = params.checkedKeys\n const cachedKeys = props.multiple\n ? toValidArray(props.modelValue).filter(\n (item) =>\n item in cacheOptionsMap.value &&\n !tree.value.getNode(item) &&\n !uncachedCheckedKeys.includes(item)\n )\n : []\n const checkedKeys = uncachedCheckedKeys.concat(cachedKeys)\n\n if (props.checkStrictly) {\n emit(\n UPDATE_MODEL_EVENT,\n // Checking for changes may come from `check-on-node-click`\n props.multiple\n ? checkedKeys\n : checkedKeys.includes(dataValue)\n ? dataValue\n : undefined\n )\n }\n // only can select leaf node\n else {\n if (props.multiple) {\n emit(\n UPDATE_MODEL_EVENT,\n (tree.value as InstanceType<typeof ElTree>).getCheckedKeys(true)\n )\n } else {\n // select first leaf node when check parent\n const firstLeaf = treeFind(\n [data],\n (data) =>\n !isValidArray(getNodeValByProp('children', data)) &&\n !getNodeValByProp('disabled', data),\n (data) => getNodeValByProp('children', data)\n )\n const firstLeafKey = firstLeaf\n ? getNodeValByProp('value', firstLeaf)\n : undefined\n\n // unselect when any child checked\n const hasCheckedChild =\n isValidValue(props.modelValue) &&\n !!treeFind(\n [data],\n (data) => getNodeValByProp('value', data) === props.modelValue,\n (data) => getNodeValByProp('children', data)\n )\n\n emit(\n UPDATE_MODEL_EVENT,\n firstLeafKey === props.modelValue || hasCheckedChild\n ? undefined\n : firstLeafKey\n )\n }\n }\n\n nextTick(() => {\n const checkedKeys = toValidArray(props.modelValue)\n tree.value.setCheckedKeys(checkedKeys)\n\n attrs.onCheck?.(data, {\n checkedKeys: tree.value.getCheckedKeys(),\n checkedNodes: tree.value.getCheckedNodes(),\n halfCheckedKeys: tree.value.getHalfCheckedKeys(),\n halfCheckedNodes: tree.value.getHalfCheckedNodes(),\n })\n })\n },\n\n // else\n cacheOptions,\n 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