Transform single array type correctly

Author: nojaf

src/DOM.res

@@ -642,11 +642,11 @@ and element = {
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/innerHTML)
     */
-  mutable innerHTML: unknown,
+  mutable innerHTML: string,
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/outerHTML)
     */
-  mutable outerHTML: unknown,
+  mutable outerHTML: string,
 }
 
 /**
@@ -754,7 +754,7 @@ and shadowRoot = {
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/ShadowRoot/innerHTML)
     */
-  mutable innerHTML: unknown,
+  mutable innerHTML: string,
 }
 
 /**
@@ -891,11 +891,11 @@ and htmlElement = {
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/innerHTML)
     */
-  mutable innerHTML: unknown,
+  mutable innerHTML: string,
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/outerHTML)
     */
-  mutable outerHTML: unknown,
+  mutable outerHTML: string,
   // End base properties from Element
 
   // Base properties from Node
@@ -1224,11 +1224,11 @@ and htmlHeadElement = {
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/innerHTML)
     */
-  mutable innerHTML: unknown,
+  mutable innerHTML: string,
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/outerHTML)
     */
-  mutable outerHTML: unknown,
+  mutable outerHTML: string,
   // End base properties from Element
 
   // Base properties from Node
@@ -1480,11 +1480,11 @@ and htmlFormElement = {
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/innerHTML)
     */
-  mutable innerHTML: unknown,
+  mutable innerHTML: string,
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/outerHTML)
     */
-  mutable outerHTML: unknown,
+  mutable outerHTML: string,
   // End base properties from Element
 
   // Base properties from Node
@@ -1787,11 +1787,11 @@ and htmlImageElement = {
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/innerHTML)
     */
-  mutable innerHTML: unknown,
+  mutable innerHTML: string,
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/outerHTML)
     */
-  mutable outerHTML: unknown,
+  mutable outerHTML: string,
   // End base properties from Element
 
   // Base properties from Node
@@ -2130,11 +2130,11 @@ and htmlEmbedElement = {
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/innerHTML)
     */
-  mutable innerHTML: unknown,
+  mutable innerHTML: string,
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/outerHTML)
     */
-  mutable outerHTML: unknown,
+  mutable outerHTML: string,
   // End base properties from Element
 
   // Base properties from Node
@@ -2402,11 +2402,11 @@ and htmlAnchorElement = {
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/innerHTML)
     */
-  mutable innerHTML: unknown,
+  mutable innerHTML: string,
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/outerHTML)
     */
-  mutable outerHTML: unknown,
+  mutable outerHTML: string,
   // End base properties from Element
 
   // Base properties from Node
@@ -2700,11 +2700,11 @@ and htmlAreaElement = {
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/innerHTML)
     */
-  mutable innerHTML: unknown,
+  mutable innerHTML: string,
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/outerHTML)
     */
-  mutable outerHTML: unknown,
+  mutable outerHTML: string,
   // End base properties from Element
 
   // Base properties from Node
@@ -2978,11 +2978,11 @@ and htmlScriptElement = {
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/innerHTML)
     */
-  mutable innerHTML: unknown,
+  mutable innerHTML: string,
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/outerHTML)
     */
-  mutable outerHTML: unknown,
+  mutable outerHTML: string,
   // End base properties from Element
 
   // Base properties from Node
@@ -7291,7 +7291,7 @@ type htmliFrameElement = {
     Sets or retrives the content of the page that is to contain.
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/srcdoc)
     */
-  mutable srcdoc: unknown,
+  mutable srcdoc: string,
   /**
     Sets or retrieves the frame name.
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/name)

tools/TypeScript-DOM-lib-generator/src/build/emitter.ts

@@ -569,7 +569,12 @@ export async function emitRescriptBindings(
   }
 
   function transformTyped(typed: Browser.Typed): string {
+    if (Array.isArray(typed.type) && typed.type.length === 1) {
+      return transformTyped(typed.type[0]);
+    }
+
     if (typeof typed.type !== "string") {
+      console.log("Unknown type", typed.type);
       return "unknown";
     }
 
@@ -634,17 +639,15 @@ export async function emitRescriptBindings(
     i: Browser.Interface | Browser.Dictionary,
     property: Browser.Member,
   ): string {
-    if (typeof property.type === "string") {
-      if (i.name === "Event" && property.name === "type") {
-        return "eventType";
-      }
-
-      return transformTyped(property);
-    } else {
-      console.log("non string property type", property.type);
+    if (
+      typeof property.type === "string" &&
+      i.name === "Event" &&
+      property.name === "type"
+    ) {
+      return "eventType";
     }
 
-    return "unknown";
+    return transformTyped(property);
   }
 
   function emitProperty(i: Browser.Interface, property: Browser.Property) {