Cross frame access (WIP)

modules/extensions/src/api/experimental/frame.ts

@@ -0,0 +1,32 @@
+export function getAllFrames() {
+  if (!window) {
+    throw new Error("getAllFrames() can only be called in a browser");
+  }
+
+  if (!window.top) {
+    throw new Error("window.top does not exist");
+  }
+
+  let frames: Array<Window> = [];
+  for (let i = 0; i < window.top.frames.length; i++) {
+    let win = window.top.frames[i];
+    if (!win) {
+      continue;
+    }
+
+    frames.push(win);
+  }
+
+  return frames;
+}
+
+export function getExtensionFrames() {
+  let allFrames = getAllFrames();
+  return allFrames.map((f) => {
+    try {
+      if (f.location.href) {
+        return f;
+      }
+    } catch (e) {}
+  }).filter(Boolean);
+}

modules/extensions/src/api/experimental/index.ts

@@ -1,2 +1,3 @@
 export * as auth from "./auth";
 export * as editor from "./editor";
+export * as frame from "./frame";

modules/extensions/src/index.ts

@@ -64,6 +64,7 @@ function patchConsole() {
 }
 
 export async function init(args?: ReplitInitArgs): Promise<ReplitInitOutput> {
+  window.replit = replit;
   if (extensionPort === null) {
     throw new Error("Extension must be initialized in a browser context");
   }