e4dc03a8b1
- v-model and v-show directives are now exposed as public - compiler-used runtime helpers are now exposed for TS tooling, but marked as @private close #1329
46 lines
1.1 KiB
TypeScript
46 lines
1.1 KiB
TypeScript
import { Data } from '../component'
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import { Slots } from '../componentSlots'
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import {
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VNodeArrayChildren,
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openBlock,
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createBlock,
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Fragment,
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VNode
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} from '../vnode'
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import { PatchFlags } from '@vue/shared'
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import { warn } from '../warning'
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/**
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* Compiler runtime helper for rendering <slot/>
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* @private
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*/
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export function renderSlot(
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slots: Slots,
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name: string,
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props: Data = {},
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// this is not a user-facing function, so the fallback is always generated by
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// the compiler and guaranteed to be a function returning an array
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fallback?: () => VNodeArrayChildren
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): VNode {
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let slot = slots[name]
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if (__DEV__ && slot && slot.length > 1) {
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warn(
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`SSR-optimized slot function detected in a non-SSR-optimized render ` +
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`function. You need to mark this component with $dynamic-slots in the ` +
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`parent template.`
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)
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slot = () => []
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}
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return (
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openBlock(),
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createBlock(
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Fragment,
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{ key: props.key },
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slot ? slot(props) : fallback ? fallback() : [],
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slots._ ? PatchFlags.STABLE_FRAGMENT : PatchFlags.BAIL
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)
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)
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}
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