types: typing for ref macros

test-dts/refMacros.test-d.ts

@@ -0,0 +1,42 @@
+import {
+  expectType,
+  $ref,
+  $computed,
+  $fromRefs,
+  $raw,
+  ref,
+  Ref,
+  ComputedRef
+} from './index'
+
+// $ref
+expectType<number>($ref(1))
+expectType<number>($ref(ref(1)))
+expectType<{ foo: number }>($ref({ foo: ref(1) }))
+
+// $computed
+expectType<number>($computed(() => 1))
+let b = $ref(1)
+expectType<number>($computed(() => b))
+
+function useFoo() {
+  return {
+    x: ref(1),
+    y: ref('hi'),
+    z: 123
+  }
+}
+
+// $fromRefs
+const { x, y, z } = $fromRefs(useFoo())
+expectType<number>(x)
+expectType<string>(y)
+expectType<number>(z)
+
+// $raw
+expectType<Ref<number>>($raw(x))
+expectType<Ref<string>>($raw(y))
+
+const c = $computed(() => 1)
+const cRef = $raw(c)
+expectType<ComputedRef<number>>(cRef)