feat(types): update to Typescript 3.9 (#1106)

test-dts/h.test-d.ts

@@ -1,4 +1,3 @@
-import { expectError, expectAssignable } from 'tsd'
 import {
   describe,
   h,
@@ -7,21 +6,28 @@ import {
   Fragment,
   Teleport,
   Suspense,
-  Component
+  Component,
+  expectError,
+  expectAssignable
 } from './index'
 
 describe('h inference w/ element', () => {
   // key
   h('div', { key: 1 })
   h('div', { key: 'foo' })
+  //  @ts-expect-error
   expectError(h('div', { key: [] }))
+  //  @ts-expect-error
   expectError(h('div', { key: {} }))
   // ref
   h('div', { ref: 'foo' })
   h('div', { ref: ref(null) })
   h('div', { ref: el => {} })
+  //  @ts-expect-error
   expectError(h('div', { ref: [] }))
+  //  @ts-expect-error
   expectError(h('div', { ref: {} }))
+  //  @ts-expect-error
   expectError(h('div', { ref: 123 }))
 })
 
@@ -29,14 +35,19 @@ describe('h inference w/ Fragment', () => {
   // only accepts array children
   h(Fragment, ['hello'])
   h(Fragment, { key: 123 }, ['hello'])
+  //  @ts-expect-error
   expectError(h(Fragment, 'foo'))
+  //  @ts-expect-error
   expectError(h(Fragment, { key: 123 }, 'bar'))
 })
 
 describe('h inference w/ Teleport', () => {
   h(Teleport, { to: '#foo' }, 'hello')
+  //  @ts-expect-error
   expectError(h(Teleport))
+  //  @ts-expect-error
   expectError(h(Teleport, {}))
+  //  @ts-expect-error
   expectError(h(Teleport, { to: '#foo' }))
 })
 
@@ -47,6 +58,7 @@ describe('h inference w/ Suspense', () => {
   h(Suspense, null, {
     default: () => 'foo'
   })
+  //  @ts-expect-error
   expectError(h(Suspense, { onResolve: 1 }))
 })
 
@@ -54,8 +66,11 @@ describe('h inference w/ functional component', () => {
   const Func = (_props: { foo: string; bar?: number }) => ''
   h(Func, { foo: 'hello' })
   h(Func, { foo: 'hello', bar: 123 })
+  //  @ts-expect-error
   expectError(h(Func, { foo: 123 }))
+  //  @ts-expect-error
   expectError(h(Func, {}))
+  //  @ts-expect-error
   expectError(h(Func, { bar: 123 }))
 })
 
@@ -85,10 +100,11 @@ describe('h inference w/ defineComponent', () => {
   h(Foo, { bar: 1, foo: 'ok' })
   // should allow extraneous props (attrs fallthrough)
   h(Foo, { bar: 1, foo: 'ok', class: 'extra' })
-  // should fail on missing required prop
+  // @ts-expect-error should fail on missing required prop
   expectError(h(Foo, {}))
+  //  @ts-expect-error
   expectError(h(Foo, { foo: 'ok' }))
-  // should fail on wrong type
+  // @ts-expect-error should fail on wrong type
   expectError(h(Foo, { bar: 1, foo: 1 }))
 })
 
@@ -101,10 +117,11 @@ describe('h inference w/ defineComponent + optional props', () => {
   h(Foo, { bar: 1, foo: 'ok' })
   // should allow extraneous props (attrs fallthrough)
   h(Foo, { bar: 1, foo: 'ok', class: 'extra' })
-  // should fail on missing required prop
+  // @ts-expect-error should fail on missing required prop
   expectError(h(Foo, {}))
+  // @ts-expect-error
   expectError(h(Foo, { foo: 'ok' }))
-  // should fail on wrong type
+  // @ts-expect-error should fail on wrong type
   expectError(h(Foo, { bar: 1, foo: 1 }))
 })
 
@@ -115,10 +132,11 @@ describe('h inference w/ defineComponent + direct function', () => {
   h(Foo, { bar: 1, foo: 'ok' })
   // should allow extraneous props (attrs fallthrough)
   h(Foo, { bar: 1, foo: 'ok', class: 'extra' })
-  // should fail on missing required prop
+  // @ts-expect-error should fail on missing required prop
   expectError(h(Foo, {}))
+  //  @ts-expect-error
   expectError(h(Foo, { foo: 'ok' }))
-  // should fail on wrong type
+  // @ts-expect-error should fail on wrong type
   expectError(h(Foo, { bar: 1, foo: 1 }))
 })