61 lines
1.4 KiB
Vue
61 lines
1.4 KiB
Vue
import PropTypes from './vue-types';
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import {
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defineComponent,
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nextTick,
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onBeforeMount,
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onBeforeUnmount,
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onUpdated,
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Teleport,
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watch,
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} from 'vue';
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import { useInjectPortal } from '../vc-trigger/context';
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export default defineComponent({
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compatConfig: { MODE: 3 },
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name: 'Portal',
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inheritAttrs: false,
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props: {
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getContainer: PropTypes.func.isRequired,
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didUpdate: Function,
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},
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setup(props, { slots }) {
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let isSSR = true;
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// getContainer 不会改变，不用响应式
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let container: HTMLElement;
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const { shouldRender } = useInjectPortal();
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onBeforeMount(() => {
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isSSR = false;
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if (shouldRender.value) {
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container = props.getContainer();
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}
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});
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const stopWatch = watch(shouldRender, () => {
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if (shouldRender.value && !container) {
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container = props.getContainer();
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}
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if (container) {
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stopWatch();
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}
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});
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onUpdated(() => {
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nextTick(() => {
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if (shouldRender.value) {
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props.didUpdate?.(props);
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}
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});
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});
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onBeforeUnmount(() => {
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if (container && container.parentNode) {
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container.parentNode.removeChild(container);
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}
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});
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return () => {
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if (!shouldRender.value) return null;
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if (isSSR) {
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return slots.default?.();
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}
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return container ? <Teleport to={container} v-slots={slots}></Teleport> : null;
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};
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},
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});
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