add test

jscomp/syntax/tests/ppx/react/defaultValueProp.res

@@ -7,3 +7,16 @@ module C1 = {
   @react.component
   let make = (~a=2, ~b) => React.int(a + b)
 }
+
+module C2 = {
+  let a = "foo"
+  @react.component
+  let make = (~a=a) => React.string(a)
+}
+
+module C3 = {
+  @react.component
+  let make = (~disabled as everythingDisabled: bool=false) => {
+    React.string(everythingDisabled ? "true" : "false")
+  }
+}

jscomp/syntax/tests/ppx/react/expected/defaultValueProp.res.txt

@@ -35,3 +35,42 @@ module C1 = {
     \"DefaultValueProp$C1"
   }
 }
+
+module C2 = {
+  let a = "foo"
+  type props<'a> = {a?: 'a}
+
+  let make = ({?a, _}: props<_>) => {
+    let a = switch a {
+    | Some(a) => a
+    | None => a
+    }
+
+    React.string(a)
+  }
+  let make = {
+    let \"DefaultValueProp$C2" = (props: props<_>) => make(props)
+
+    \"DefaultValueProp$C2"
+  }
+}
+
+module C3 = {
+  type props<'disabled> = {disabled?: 'disabled}
+
+  let make = ({disabled: ?everythingDisabled, _}: props<bool>) => {
+    let disabled = switch disabled {
+    | Some(disabled) => disabled
+    | None => false
+    }
+
+    {
+      React.string(everythingDisabled ? "true" : "false")
+    }
+  }
+  let make = {
+    let \"DefaultValueProp$C3" = (props: props<_>) => make(props)
+
+    \"DefaultValueProp$C3"
+  }
+}