feat(daemon): web-page endowments include all compatible window prope…

…rties

packages/daemon/src/web-page.js

@@ -6,6 +6,44 @@ import { makeCapTP } from '@endo/captp';
 import { E, Far } from '@endo/far';
 import { importBundle } from '@endo/import-bundle';
 
+const getPrototypeChain = obj => {
+  const chain = [];
+  while (obj) {
+    chain.push(obj);
+    obj = Object.getPrototypeOf(obj);
+  }
+  return chain;
+};
+const collectPropsAndBind = target => {
+  const container = {};
+  for (const obj of getPrototypeChain(target)) {
+    for (const [name, propDesc] of Object.entries(Object.getOwnPropertyDescriptors(obj))) {
+      if (name in container) {
+        continue;
+      }
+      let value = propDesc.value;
+      if (propDesc.get) {
+        value = propDesc.get.call(target);
+      }
+      if (typeof value === 'function') {
+        // This wrapper is a bind that works for constructors as well.
+        const wrapper = function (...args) {
+          if (new.target) {
+            return new value(...args);
+          } else {
+            return value.call(target, ...args);
+          }
+        }
+        Object.defineProperties(wrapper, Object.getOwnPropertyDescriptors(value));
+        container[name] = wrapper;
+      } else {
+        container[name] = value;
+      }
+    }
+  }
+  return container;
+}
+
 const hardenedEndowments = harden({
   assert,
   E,
@@ -15,11 +53,18 @@ const hardenedEndowments = harden({
   URL,
 });
 
+const globalProps = collectPropsAndBind(window);
+// These properties conflict with Compartment globals.
+delete globalProps.undefined;
+delete globalProps.NaN;
+delete globalProps.Infinity;
+
 const endowments = Object.freeze({
   ...hardenedEndowments,
-  window,
-  document,
-  console,
+  ...globalProps,
+  process: {
+    env: {},
+  },
 });
 
 const url = new URL('/', `${window.location}`);