Test OO params are correct type

Test/init.test.js

@@ -1,4 +1,4 @@
-window.testSuites.push( class testShadow {
+window.testSuites.push( class testInit {
 
     ObjectAsStateField() {
         class File extends Shadow {
@@ -207,6 +207,32 @@ window.testSuites.push( class testShadow {
         }
     }
 
+    ErrorIfNotObservedObject() {
+        window.register(class ChildSpace extends Shadow {
+            $$form
+            $name
+        
+            render = () => {
+              
+            }
+        
+            constructor() {
+                super()
+                this.name = this.form.path.split("/").pop()
+            }
+        }, randomName("space-"))
+
+        try {
+            let space = ChildSpace({path: "/asd"})
+            return "no error thrown!"
+        } catch(e) {
+            if(e.message.includes("Observed Object")) {
+            } else {
+                throw e
+            }
+        }
+    }
+
     FieldsInCorrectOrder() {
         window.register(class ChildSpace extends Shadow {
             $$form
@@ -221,9 +247,13 @@ window.testSuites.push( class testShadow {
                 this.name = this.form.path.split("/").pop()
             }
         }, randomName("space-"))
+
+        class Form extends ObservedObject {
+            $path
+        }
         
         try {
-            let space = ChildSpace({path: "/asd"})
+            let space = ChildSpace(Form.decode({path: "/asd"}))
         } catch(e) {
             if(e.message.includes("Cannot read properties of undefined (reading 'path')")) {
                 return "Form did not get initialized!"

Test/test.js

@@ -2,7 +2,7 @@ console.log("Tests initializing.")
 window.testSuites = [];
 
 await import ("./parse.test.js")
-await import ("./shadow.test.js")
+await import ("./init.test.js")
 await import ("./observedobject.test.js")
 await import ("./render.test.js")
 

index.js

@@ -419,21 +419,22 @@ window.Registry = class Registry {
         makeState(elem, stateNames, params)
         makeObservedObjects(elem, observedObjectNames, params)
 
-        let allNamesCleaned = allNames
-            .filter(key => typeof elem[key] !== 'function' && key !== "_observers" && key !== "_observedObjects")
-            .map(key => key.replace(/^(\$\$|\$)/, ''));
-
         let i = -1
         for (let param of params) {
             i++
             
-            if(i > allNamesCleaned.length) {
+            if(i > allNames.length) {
                 console.error(`${el.prototype.constructor.name}: too many parameters for field!`)
                 return
             }
 
-            if(elem[allNamesCleaned[i]] === undefined) {
-                elem[allNamesCleaned[i]] = param
+            let bareName = allNames[i].replace(/^(\$\$|\$)/, '');
+
+            if(elem[bareName] === undefined) {
+                if(allNames[i].startsWith("$$") && !(param instanceof ObservedObject)) {
+                    throw new Error(`Field ${allNames[i]} must be an Observed Object!`)
+                }
+                elem[bareName] = param
             }
         }
     }