ScramjetClient.SCRAMJET -> SCRAMJETCLIENT

src/client/client.ts

@@ -1,3 +1,4 @@
+import { SCRAMJETCLIENT } from "../symbols";
 import { createDocumentProxy } from "./document";
 import { createGlobalProxy } from "./global";
 import { getOwnPropertyDescriptorHandler } from "./helpers";
@@ -43,8 +44,6 @@ export type Trap<T> = {
 };
 
 export class ScramjetClient {
-	static SCRAMJET = Symbol.for("scramjet client global");
-
 	documentProxy: any;
 	globalProxy: any;
 	locationProxy: any;
@@ -76,7 +75,7 @@ export class ScramjetClient {
 		this.locationProxy = createLocationProxy(this, global);
 		this.globalProxy = createGlobalProxy(this, global);
 
-		global[ScramjetClient.SCRAMJET] = this;
+		global[SCRAMJETCLIENT] = this;
 	}
 
 	loadcookies(cookiestr: string) {
@@ -175,6 +174,7 @@ export class ScramjetClient {
 		if (handler.apply) {
 			h.apply = function (fn: any, thisArg: any, argArray: any[]) {
 				let returnValue: any = null;
+				let earlyreturn = false;
 
 				const ctx: ProxyCtx = {
 					fn,
@@ -182,6 +182,7 @@ export class ScramjetClient {
 					args: argArray,
 					newTarget: null,
 					return: (r: any) => {
+						earlyreturn = true;
 						returnValue = r;
 					},
 				};
@@ -213,7 +214,7 @@ export class ScramjetClient {
 
 				delete Error.prepareStackTrace;
 
-				if (returnValue) {
+				if (earlyreturn) {
 					return returnValue;
 				}
 

src/client/dom/element.ts

@@ -1,3 +1,4 @@
+import { SCRAMJETCLIENT } from "../../symbols";
 import { ScramjetClient } from "../client";
 import { nativeGetOwnPropertyDescriptor } from "../natives";
 import { config, decodeUrl, htmlRules, unrewriteHtml } from "../shared";
@@ -127,8 +128,8 @@ export default function (client: ScramjetClient, self: typeof window) {
 		get(ctx) {
 			const realwin = ctx.get() as Window;
 
-			if (ScramjetClient.SCRAMJET in realwin.self) {
-				return realwin.self[ScramjetClient.SCRAMJET].globalProxy.window;
+			if (SCRAMJETCLIENT in realwin.self) {
+				return realwin.self[SCRAMJETCLIENT].globalProxy.window;
 			} else {
 				// hook the iframe
 				const newclient = new ScramjetClient(realwin.self);
@@ -145,8 +146,8 @@ export default function (client: ScramjetClient, self: typeof window) {
 				client.descriptors["HTMLIFrameElement.prototype.contentWindow"].get;
 			const realwin = contentwindow.apply(ctx.this);
 
-			if (ScramjetClient.SCRAMJET in realwin.self) {
-				return realwin.self[ScramjetClient.SCRAMJET].documentProxy;
+			if (SCRAMJETCLIENT in realwin.self) {
+				return realwin.self[SCRAMJETCLIENT].documentProxy;
 			} else {
 				const newclient = new ScramjetClient(realwin.self);
 				newclient.hook();
@@ -175,7 +176,7 @@ export default function (client: ScramjetClient, self: typeof window) {
 			let doc = ctx.get() as Document | null;
 			if (!doc) return null;
 
-			let scram: ScramjetClient = doc[ScramjetClient.SCRAMJET];
+			let scram: ScramjetClient = doc[SCRAMJETCLIENT];
 			if (!scram) return doc; // ??
 
 			return scram.documentProxy;

src/client/dom/open.ts

@@ -1,5 +1,6 @@
 import { encodeUrl } from "../shared";
 import { ScramjetClient } from "../client";
+import { SCRAMJETCLIENT } from "../../symbols";
 
 export default function (client: ScramjetClient) {
 	client.Proxy("window.open", {
@@ -13,10 +14,8 @@ export default function (client: ScramjetClient) {
 
 			if (!realwin) return ctx.return(realwin);
 
-			if (ScramjetClient.SCRAMJET in realwin.self) {
-				return ctx.return(
-					realwin.self[ScramjetClient.SCRAMJET].globalProxy.window
-				);
+			if (SCRAMJETCLIENT in realwin.self) {
+				return ctx.return(realwin.self[SCRAMJETCLIENT].globalProxy.window);
 			} else {
 				const newclient = new ScramjetClient(realwin.self);
 				// hook the opened window
@@ -32,8 +31,8 @@ export default function (client: ScramjetClient) {
 		get(ctx) {
 			const realwin = ctx.get() as Window;
 
-			if (realwin && ScramjetClient.SCRAMJET in realwin.self) {
-				return realwin.self[ScramjetClient.SCRAMJET].globalProxy;
+			if (realwin && SCRAMJETCLIENT in realwin.self) {
+				return realwin.self[SCRAMJETCLIENT].globalProxy;
 			} else {
 				// the opener has to have been already hooked, so if we reach here then it's a real window
 				return undefined;

src/client/index.ts

@@ -1,5 +1,6 @@
 // entrypoint for scramjet.client.js
 
+import { SCRAMJETCLIENT } from "../symbols";
 import { ScramjetClient } from "./client";
 import { ScramjetServiceWorkerRuntime } from "./swruntime";
 
@@ -13,7 +14,7 @@ export const isemulatedsw =
 
 dbg.log("scrammin");
 // if it already exists, that means the handlers have probably already been setup by the parent document
-if (!(ScramjetClient.SCRAMJET in self)) {
+if (!(SCRAMJETCLIENT in <Partial<typeof self>>self)) {
 	const client = new ScramjetClient(self);
 
 	if (self.COOKIE) client.loadcookies(self.COOKIE);

src/client/shared/event.ts

@@ -1,4 +1,5 @@
 import { iswindow } from "..";
+import { SCRAMJETCLIENT } from "../../symbols";
 import { ScramjetClient } from "../client";
 import { getOwnPropertyDescriptorHandler } from "../helpers";
 import { nativeGetOwnPropertyDescriptor } from "../natives";
@@ -22,7 +23,7 @@ export default function (client: ScramjetClient, self: Self) {
 				return this.ports;
 			},
 			source() {
-				let scram: ScramjetClient = this.source[ScramjetClient.SCRAMJET];
+				let scram: ScramjetClient = this.source[SCRAMJETCLIENT];
 
 				if (scram) return scram.globalProxy;
 

src/client/shared/wrap.ts

@@ -1,4 +1,5 @@
 import { iswindow, isworker } from "..";
+import { SCRAMJETCLIENT } from "../../symbols";
 import { ScramjetClient } from "../client";
 import { config } from "../shared";
 
@@ -15,9 +16,9 @@ export default function (client: ScramjetClient, self: typeof globalThis) {
 			if (iswindow && identifier instanceof self.Window) {
 				return client.globalProxy;
 			} else if (iswindow && identifier instanceof self.parent.self.Window) {
-				if (ScramjetClient.SCRAMJET in self.parent.self) {
+				if (SCRAMJETCLIENT in self.parent.self) {
 					// ... then we're in a subframe, and the parent frame is also in a proxy context, so we should return its proxy
-					return self.parent.self[ScramjetClient.SCRAMJET].globalProxy;
+					return self.parent.self[SCRAMJETCLIENT].globalProxy;
 				} else {
 					// ... then we should pretend we aren't nested and return the current window
 					return client.globalProxy;
@@ -31,13 +32,13 @@ export default function (client: ScramjetClient, self: typeof globalThis) {
 					if (test === current) break; // there is no parent, actual or emulated.
 
 					// ... then `test` represents a window outside of the proxy context, and therefore `current` is the topmost window in the proxy context
-					if (!(ScramjetClient.SCRAMJET in test)) break;
+					if (!(SCRAMJETCLIENT in test)) break;
 
 					// test is also insde a proxy, so we should continue up the chain
 					current = test;
 				}
 
-				return current[ScramjetClient.SCRAMJET].globalProxy.window;
+				return current[SCRAMJETCLIENT].globalProxy.window;
 			} else if (
 				(iswindow && identifier instanceof self.Location) ||
 				(isworker && identifier instanceof self.WorkerLocation)
@@ -89,7 +90,7 @@ export default function (client: ScramjetClient, self: typeof globalThis) {
 		}
 	}
 	self.$scramerr = function scramerr(e) {
-		// console.warn("CAUGHT ERROR", e);
+		console.warn("CAUGHT ERROR", e);
 	};
 
 	self.$scramdbg = function scramdbg(args, t) {

src/controller/frame.ts

@@ -0,0 +1,33 @@
+import { ScramjetController } from ".";
+import type { ScramjetClient } from "../client/client";
+import { SCRAMJETCLIENT, SCRAMJETFRAME } from "../symbols";
+
+export class ScramjetFrame extends EventTarget {
+	constructor(
+		private controller: ScramjetController,
+		public frame: HTMLIFrameElement
+	) {
+		super();
+		frame[SCRAMJETFRAME] = this;
+	}
+
+	get client(): ScramjetClient {
+		return this.frame.contentWindow.window[SCRAMJETCLIENT];
+	}
+
+	go(url: string | URL) {
+		if (url instanceof URL) url = url.toString();
+
+		dbg.log("navigated to", url);
+
+		this.frame.src = this.controller.encodeUrl(url);
+	}
+
+	back() {
+		this.frame.contentWindow?.history.back();
+	}
+
+	forward() {
+		this.frame.contentWindow?.history.forward();
+	}
+}

src/controller/index.ts

@@ -1,6 +1,8 @@
 import IDBMap from "@webreflection/idb-map";
 import { ScramjetConfig } from "../types";
 import { Codec } from "../codecs";
+import type { ScramjetClient } from "../client/client";
+import { ScramjetFrame } from "./frame";
 
 export class ScramjetController {
 	config: ScramjetConfig;
@@ -24,7 +26,7 @@ export class ScramjetController {
 			client: "/scramjet.client.js",
 			codecs: "/scramjet.codecs.js",
 			flags: {
-				serviceworkers: true,
+				serviceworkers: false,
 			},
 		};
 
@@ -74,31 +76,4 @@ export class ScramjetController {
 	}
 }
 
-class ScramjetFrame extends EventTarget {
-	static SCRAMJETFRAME = Symbol.for("scramjet frame handle");
-	constructor(
-		private controller: ScramjetController,
-		public frame: HTMLIFrameElement
-	) {
-		super();
-		frame[ScramjetFrame.SCRAMJETFRAME] = this;
-	}
-
-	go(url: string | URL) {
-		if (url instanceof URL) url = url.toString();
-
-		dbg.log("navigated to", url);
-
-		this.frame.src = this.controller.encodeUrl(url);
-	}
-
-	back() {
-		this.frame.contentWindow?.history.back();
-	}
-
-	forward() {
-		this.frame.contentWindow?.history.forward();
-	}
-}
-
 window.ScramjetController = ScramjetController;

src/shared/rewriters/html.ts

@@ -150,6 +150,12 @@ export const htmlRules: {
 		fn: (value: string, origin?: URL) => rewriteCss(value, origin),
 		style: "*",
 	},
+	{
+		fn: (value: string) => {
+			if (["_parent", "_top", "_unfencedTop"].includes(value)) return "_self";
+		},
+		target: ["a"],
+	},
 ];
 
 // i need to add the attributes in during rewriting

src/symbols.ts

@@ -0,0 +1,3 @@
+// see types.d.ts for what these mean
+export const SCRAMJETCLIENT = Symbol.for("scramjet client global");
+export const SCRAMJETFRAME = Symbol.for("scramjet frame handle");

src/types.d.ts

@@ -15,6 +15,9 @@ import { BareClient } from "@mercuryworkshop/bare-mux";
 import { parseDomain } from "parse-domain";
 import { ScramjetHeaders } from "./shared/headers";
 import { CookieStore } from "./shared/cookie";
+import { SCRAMJETCLIENT, SCRAMJETFRAME } from "./symbols";
+import { ScramjetClient } from "./client/client";
+import { ScramjetFrame } from "./controller/frame";
 
 type ScramjetFlags = {
 	serviceworkers: boolean;
@@ -75,5 +78,13 @@ declare global {
 		COOKIE: string;
 		WASM: string;
 		ScramjetController: typeof ScramjetController;
+
+		// the scramjet client belonging to a window
+		[SCRAMJETCLIENT]: ScramjetClient;
+	}
+
+	interface HTMLIFrameElement {
+		// the event target belonging to an <iframe> holding a /prefix/blah url
+		[SCRAMJETFRAME]: ScramjetFrame;
 	}
 }