Open
Description
Version
vue: 2.5.22
typescript: 3.2.4
Reproduction link
https://jsfiddle.net/meteorlxy/9x2ts16a/1/
Steps to reproduce
// works with vue 2.5.17
// fails with vue 2.5.18+
import Vue, { FunctionalComponentOptions } from 'vue'
const testFunctionalOptions: FunctionalComponentOptions = {
functional: true,
}
Vue.component('Test', testFunctionalOptions)What is expected?
No types error as in v2.5.17
What is actually happening?
error TS2345: Argument of type 'FunctionalComponentOptions<Record<string, any>, PropsDefinition<Record<string, any>>>' is not assignable to parameter of type 'ComponentOptions<Vue, DefaultData<Vue>, DefaultMethods<Vue>, DefaultComputed, PropsDefinition<Record<string, any>>, Record<string, any>>'.
Types of property 'render' are incompatible.
Type '(this: undefined, createElement: CreateElement, context: RenderContext<Record<string, any>>) => VNode | VNode[]' is not assignable to type '(createElement: CreateElement, hack: RenderContext<Record<string,
any>>) => VNode'.
Type 'VNode | VNode[]' is not assignable to type 'VNode'.
Type 'VNode[]' is missing the following properties from type 'VNode': isRootInsert, isCommentPS
It seems to be introduced here: