element-plus
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A Component Library for Vue 3
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{"version":3,"file":"node2.mjs","names":[],"sources":["../../../../../../packages/components/cascader-panel/src/node.vue"],"sourcesContent":["<template>\n <li\n :id=\"`${menuId}-${node.uid}`\"\n role=\"menuitem\"\n :aria-haspopup=\"!isLeaf\"\n :aria-owns=\"isLeaf ? undefined : menuId\"\n :aria-expanded=\"inExpandingPath\"\n :tabindex=\"expandable ? -1 : undefined\"\n :class=\"[\n ns.b(),\n ns.is('selectable', checkStrictly),\n ns.is('active', node.checked),\n ns.is('disabled', !expandable),\n inExpandingPath && 'in-active-path',\n inCheckedPath && 'in-checked-path',\n ]\"\n @mouseenter=\"handleHoverExpand\"\n @focus=\"handleHoverExpand\"\n @click=\"handleClick\"\n >\n <!-- prefix -->\n <el-checkbox\n v-if=\"multiple && showPrefix\"\n :model-value=\"node.checked\"\n :indeterminate=\"node.indeterminate\"\n :disabled=\"isDisabled\"\n @click.stop\n @update:model-value=\"handleSelectCheck\"\n />\n <el-radio\n v-else-if=\"checkStrictly && showPrefix\"\n :model-value=\"checkedNodeId\"\n :label=\"node.uid\"\n :disabled=\"isDisabled\"\n @update:model-value=\"handleSelectCheck\"\n @click.stop\n >\n <!--\n Add an empty element to avoid render label,\n do not use empty fragment here for https://github.com/vuejs/vue-next/pull/2485\n -->\n <span />\n </el-radio>\n <el-icon v-else-if=\"isLeaf && node.checked\" :class=\"ns.e('prefix')\">\n <check />\n </el-icon>\n\n <!-- content -->\n <node-content :node=\"node\" />\n <!-- postfix -->\n <template v-if=\"!isLeaf\">\n <el-icon v-if=\"node.loading\" :class=\"[ns.is('loading'), ns.e('postfix')]\">\n <loading />\n </el-icon>\n <el-icon v-else :class=\"['arrow-right', ns.e('postfix')]\">\n <arrow-right />\n </el-icon>\n </template>\n </li>\n</template>\n\n<script lang=\"ts\" setup>\nimport { computed, inject } from 'vue'\nimport ElCheckbox from '@element-plus/components/checkbox'\nimport ElRadio from '@element-plus/components/radio'\nimport ElIcon from '@element-plus/components/icon'\nimport { useNamespace } from '@element-plus/hooks'\nimport { ArrowRight, Check, Loading } from '@element-plus/icons-vue'\nimport NodeContent from './node-content'\nimport { CASCADER_PANEL_INJECTION_KEY } from './types'\n\nimport type { CascaderNode } from './types'\nimport type { PropType } from 'vue'\nimport type { CheckboxValueType } from '@element-plus/components/checkbox'\n\ndefineOptions({\n name: 'ElCascaderNode',\n})\n\nconst props = defineProps({\n node: {\n type: Object as PropType<CascaderNode>,\n required: true,\n },\n menuId: String,\n})\nconst emit = defineEmits(['expand'])\n\nconst panel = inject(CASCADER_PANEL_INJECTION_KEY)!\n\nconst ns = useNamespace('cascader-node')\nconst isHoverMenu = computed(() => panel.isHoverMenu)\nconst multiple = computed(() => panel.config.multiple)\nconst checkStrictly = computed(() => panel.config.checkStrictly)\nconst showPrefix = computed(() => panel.config.showPrefix)\nconst checkedNodeId = computed(() => panel.checkedNodes[0]?.uid)\nconst isDisabled = computed(() => props.node.isDisabled)\nconst isLeaf = computed(() => props.node.isLeaf)\nconst expandable = computed(\n () => (checkStrictly.value && !isLeaf.value) || !isDisabled.value\n)\nconst inExpandingPath = computed(() => isInPath(panel.expandingNode!))\n\n// only useful in check-strictly mode\nconst inCheckedPath = computed(\n () => checkStrictly.value && panel.checkedNodes.some(isInPath)\n)\n\nconst isInPath = (node: CascaderNode) => {\n const { level, uid } = props.node\n return node?.pathNodes[level - 1]?.uid === uid\n}\n\nconst doExpand = () => {\n if (inExpandingPath.value) return\n panel.expandNode(props.node)\n}\n\nconst doCheck = (checked: boolean) => {\n const { node } = props\n if (checked === node.checked) return\n panel.handleCheckChange(node, checked)\n}\n\nconst doLoad = () => {\n panel.lazyLoad(props.node, () => {\n if (!isLeaf.value) doExpand()\n })\n}\n\nconst handleHoverExpand = (e: Event) => {\n if (!isHoverMenu.value) return\n handleExpand()\n !isLeaf.value && emit('expand', e)\n}\n\nconst handleExpand = () => {\n const { node } = props\n // do not exclude leaf node because the menus expanded might have to reset\n if (!expandable.value || node.loading) return\n node.loaded ? doExpand() : doLoad()\n}\n\nconst handleClick = () => {\n if (\n isLeaf.value &&\n !isDisabled.value &&\n !checkStrictly.value &&\n !multiple.value\n ) {\n handleCheck(true)\n } else if (\n ((panel.config.checkOnClickNode &&\n (multiple.value || checkStrictly.value)) ||\n (isLeaf.value && panel.config.checkOnClickLeaf)) &&\n !isDisabled.value\n ) {\n handleSelectCheck(!props.node.checked)\n } else if (!isHoverMenu.value) {\n handleExpand()\n }\n}\n\nconst handleSelectCheck = (checked: CheckboxValueType | undefined) => {\n if (checkStrictly.value) {\n doCheck(checked as boolean)\n if (props.node.loaded) {\n doExpand()\n }\n } else {\n handleCheck(checked as boolean)\n }\n}\n\nconst handleCheck = (checked: boolean) => {\n if (!props.node.loaded) {\n doLoad()\n } else {\n doCheck(checked)\n !checkStrictly.value && doExpand()\n }\n}\n</script>\n"],"mappings":""}