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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | 2x 2x 8x 8x 8x 8x 11x 11x 2x 3x 3x 11x 9x 2x 1x 1x 1x 1x 7x 9x 11x 11x 11x | import { isArray } from '@vue/shared'
import type { VNode } from '../vnode'
// #6651 res can be undefined in SSR in string push mode
type SSRSlot = (...args: any[]) => VNode[] | undefined
interface CompiledSlotDescriptor {
name: string
fn: SSRSlot
key?: string
}
/**
* Compiler runtime helper for creating dynamic slots object
* @private
*/
export function createSlots(
slots: Record<string, SSRSlot>,
dynamicSlots: (
| CompiledSlotDescriptor
| CompiledSlotDescriptor[]
| undefined
)[],
): Record<string, SSRSlot> {
for (let i = 0; i < dynamicSlots.length; i++) {
const slot = dynamicSlots[i]
// array of dynamic slot generated by <template v-for="..." #[...]>
if (isArray(slot)) {
for (let j = 0; j < slot.length; j++) {
slots[slot[j].name] = slot[j].fn
}
} else if (slot) {
// conditional single slot generated by <template v-if="..." #foo>
slots[slot.name] = slot.key
? (...args: any[]) => {
const res = slot.fn(...args)
// attach branch key so each conditional branch is considered a
// different fragment
if (res) (res as any).key = slot.key
return res
}
: slot.fn
}
}
return slots
}
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