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12 KiB
1 line
12 KiB
11 months ago
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{"version":3,"file":"node.mjs","sources":["../../../../../../packages/components/cascader-panel/src/node.ts"],"sourcesContent":["import { isFunction } from '@vue/shared'\nimport { capitalize, isUndefined, isEmpty } from '@element-plus/utils/util'\nimport type { VNode } from 'vue'\n\nexport type CascaderNodeValue = string | number\nexport type CascaderNodePathValue = CascaderNodeValue[]\nexport type CascaderValue =\n | CascaderNodeValue\n | CascaderNodePathValue\n | (CascaderNodeValue | CascaderNodePathValue)[]\nexport type CascaderConfig = Required<CascaderProps>\nexport enum ExpandTrigger {\n CLICK = 'click',\n HOVER = 'hover',\n}\nexport type isDisabled = (data: CascaderOption, node: Node) => boolean\nexport type isLeaf = (data: CascaderOption, node: Node) => boolean\nexport type Resolve = (dataList?: CascaderOption[]) => void\nexport type LazyLoad = (node: Node, resolve: Resolve) => void\nexport type RenderLabel = ({\n node: Node,\n data: CascaderOption,\n}) => VNode | VNode[]\nexport interface CascaderOption extends Record<string, unknown> {\n label?: string\n value?: CascaderNodeValue\n children?: CascaderOption[]\n disabled?: boolean\n leaf?: boolean\n}\n\nexport interface CascaderProps {\n expandTrigger?: ExpandTrigger\n multiple?: boolean\n checkStrictly?: boolean\n emitPath?: boolean\n lazy?: boolean\n lazyLoad?: LazyLoad\n value?: string\n label?: string\n children?: string\n disabled?: string | isDisabled\n leaf?: string | isLeaf\n hoverThreshold?: number\n}\n\nexport type Nullable<T> = null | T\n\ntype ChildrenData = CascaderOption[] | undefined\n\nlet uid = 0\n\nconst calculatePathNodes = (node: Node) => {\n const nodes = [node]\n let { parent } = node\n\n while (parent) {\n nodes.unshift(parent)\n parent = parent.parent\n }\n\n return nodes\n}\n\nclass Node {\n readonly uid: number = uid++\n readonly level: number\n readonly value: CascaderNodeValue\n readonly label: string\n readonly pathNodes: Node[]\n readonly pathValues: CascaderNodePathValue\n readonly pathLabels: string[]\n\n childrenData: ChildrenData\n children: Node[]\n text: string\n loaded: boolean\n checked = false\n indeterminate = false\n loading = false\n\n constructor(\n readonly data: Nullable<CascaderOption>,\n readonly config: CascaderConfig,\n readonly parent?: Node,\n readonly root = false\n ) {\n const { value: valueKey, label: labelKey, children: childrenKey } = config\n\n const childrenData = data[childrenKey] as ChildrenData\n const pathNodes = calculatePathNodes(this)\n\n this.level = root ? 0 : parent ? parent.level + 1 : 1\n this.value = data[valueKey] as CascaderNodeValue\n this.label = data[labelKey] as string\n this.pathNodes = pathNodes\n this.pathValues = pathNodes.map((node) => node.value)\n this.pathLabels = pathNodes.map((node) => node.label)\n this.childrenData = childrenData\n this.children = (childrenData || []).map(\n (child) => new Node(child, config, this)\n )\n this.loaded = !config.lazy || this.isLeaf || !isEmpty(childrenData)\n }\n\n get isDisabled(): boolean {\n const { data, parent, config } = this\n const { disabled, checkStrictly } = config\n const isDisabled = isFunction(disabled)\n ? disabled(data, this)\n : !!data[disabled]\n return isDisabled || (!checkStrictly && parent?.isDisabled)\n }\n\n get isLeaf(): boolean {\n const { data, config, childrenData, loaded } = this\n const { lazy, leaf } = config\n const isLeaf = isFunction(leaf) ? leaf(data, this) : data[leaf]\n\n return isUndefined(isLeaf)\n ? lazy && !loaded\n ? false\n : !(Array.isArray(childrenData) && childrenData.length)\n : !!isLeaf\n }\n\n get valueByOption() {\n return this.config.emitPath ? this.pathValues : this.value\n }\n\n appendChild(childData: CascaderOption) {\n const { childrenData, children } = this\n const node = new Node(childData, this.config, this)\n\n if (Array.isArray(childrenData)) {\n childrenData.push(childData)\n } else {\n thi
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