types: massive refactor

packages/runtime-core/src/helpers/renderList.ts

@@ -2,8 +2,12 @@ import { VNodeChild } from '../vnode'
 import { isArray, isString, isObject } from '@vue/shared'
 
 export function renderList(
-  source: any,
-  renderItem: (value: any, key: string | number, index?: number) => VNodeChild
+  source: unknown,
+  renderItem: (
+    value: unknown,
+    key: string | number,
+    index?: number
+  ) => VNodeChild
 ): VNodeChild[] {
   let ret: VNodeChild[]
   if (isArray(source) || isString(source)) {

packages/runtime-core/src/helpers/renderSlot.ts

@@ -1,3 +1,4 @@
+import { Data } from '../component'
 import { Slot } from '../componentSlots'
 import {
   VNodeChildren,
@@ -11,7 +12,7 @@ import { PatchFlags } from '@vue/shared'
 export function renderSlot(
   slots: Record<string, Slot>,
   name: string,
-  props: any = {},
+  props: Data = {},
   // this is not a user-facing function, so the fallback is always generated by
   // the compiler and guaranteed to be an array
   fallback?: VNodeChildren

packages/runtime-core/src/helpers/toString.ts

@@ -1,10 +1,10 @@
 import { isArray, isPlainObject, objectToString } from '@vue/shared'
 
 // for converting {{ interpolation }} values to displayed strings.
-export function toString(val: any): string {
+export function toString(val: unknown): string {
   return val == null
     ? ''
     : isArray(val) || (isPlainObject(val) && val.toString === objectToString)
-      ? JSON.stringify(val, null, 2)
-      : String(val)
+    ? JSON.stringify(val, null, 2)
+    : String(val)
 }