element-plus
Version:
A Component Library for Vue 3
82 lines (79 loc) • 2.83 kB
JavaScript
import { defineComponent, ref, getCurrentInstance, provide, reactive, toRefs, computed, onMounted, withDirectives, openBlock, createElementBlock, normalizeClass, createElementVNode, toDisplayString, renderSlot, vShow } from 'vue';
import { isArray } from '@vue/shared';
import { useMutationObserver } from '@vueuse/core';
import '../../../hooks/index.mjs';
import { selectGroupKey } from './token.mjs';
import _export_sfc from '../../../_virtual/plugin-vue_export-helper.mjs';
import { useNamespace } from '../../../hooks/use-namespace/index.mjs';
const _sfc_main = defineComponent({
name: "ElOptionGroup",
componentName: "ElOptionGroup",
props: {
label: String,
disabled: Boolean
},
setup(props) {
const ns = useNamespace("select");
const groupRef = ref(null);
const instance = getCurrentInstance();
const children = ref([]);
provide(selectGroupKey, reactive({
...toRefs(props)
}));
const visible = computed(() => children.value.some((option) => option.visible === true));
const flattedChildren = (node) => {
const children2 = [];
if (isArray(node.children)) {
node.children.forEach((child) => {
var _a, _b;
if (child.type && child.type.name === "ElOption" && child.component && child.component.proxy) {
children2.push(child.component.proxy);
} else if ((_a = child.children) == null ? void 0 : _a.length) {
children2.push(...flattedChildren(child));
} else if ((_b = child.component) == null ? void 0 : _b.subTree) {
children2.push(...flattedChildren(child.component.subTree));
}
});
}
return children2;
};
const updateChildren = () => {
children.value = flattedChildren(instance.subTree);
};
onMounted(() => {
updateChildren();
});
useMutationObserver(groupRef, updateChildren, {
attributes: true,
subtree: true,
childList: true
});
return {
groupRef,
visible,
ns
};
}
});
function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
return withDirectives((openBlock(), createElementBlock("ul", {
ref: "groupRef",
class: normalizeClass(_ctx.ns.be("group", "wrap"))
}, [
createElementVNode("li", {
class: normalizeClass(_ctx.ns.be("group", "title"))
}, toDisplayString(_ctx.label), 3),
createElementVNode("li", null, [
createElementVNode("ul", {
class: normalizeClass(_ctx.ns.b("group"))
}, [
renderSlot(_ctx.$slots, "default")
], 2)
])
], 2)), [
[vShow, _ctx.visible]
]);
}
var OptionGroup = /* @__PURE__ */ _export_sfc(_sfc_main, [["render", _sfc_render], ["__file", "option-group.vue"]]);
export { OptionGroup as default };
//# sourceMappingURL=option-group.mjs.map