Function buildSSRSlotFn

packages/compiler-ssr/src/transforms/ssrTransformComponent.ts:156–173

(props, _vForExp, children, loc)

    wipMap.set(node, wipEntries)

    const buildSSRSlotFn: SlotFnBuilder = (props, _vForExp, children, loc) => {
      const param0 = (props && stringifyExpression(props)) || `_`
      const fn = createFunctionExpression(
        [param0, `_push`, `_parent`, `_scopeId`],
        undefined, // no return, assign body later
        true, // newline
        true, // isSlot
        loc,
      )
      wipEntries.push({
        type: WIP_SLOT,
        fn,
        children,
        // also collect the corresponding vnode branch built earlier
        vnodeBranch: vnodeBranches[wipEntries.length],
      })
      return fn
    }

    const slots = node.children.length
      ? buildSlots(node, context, buildSSRSlotFn).slots