Revert "small changes"

This reverts commit 3a85734b7f.

README.md

@@ -19,5 +19,3 @@ Running `pnpm dev` will build Scramjet and start a dev server on localhost:1337.
     - Only thing rewritten currently are imports and exports
     - Check imports/exports for values contained in the `importmap` array, don't rewrite the node value if present
 - Write client APIs
-- The DAMN SCRIPTS not being executed
-- esbuild bundling more than what it's supposed to (instead of using imports, it bundles the whole file which is not what we want)

esbuild.dev.js

@@ -15,7 +15,7 @@ const bare = createBareServer("/bare/", {
 });
 
 const fastify = Fastify({
-    serverFactory: (handler) => {
+    serverFactory: (handler, opts) => {
         return createServer()
             .on("request", (req, res) => {
                 if (bare.shouldRoute(req)) {
@@ -53,14 +53,12 @@ const devServer = await context({
         worker: "./src/worker/index.ts",
         codecs: "./src/codecs/index.ts",
         config: "./src/scramjet.config.ts",
-        html: "./src/html/index.ts"
     },
     entryNames: "scramjet.[name]",
     outdir: "./dist",
     bundle: true,
     sourcemap: true,
     logLevel: "info",
-    format: "esm",
     plugins: [
         copy({
             resolveFrom: "cwd",

esbuild.js

@@ -9,7 +9,6 @@ const scramjetBuild = await build({
         worker: "./src/worker/index.ts",
         codecs: "./src/codecs/index.ts",
         config: "./src/scramjet.config.ts",
-        html: "./src/html/index.ts"
     },
     entryNames: "scramjet.[name]",
     outdir: "./dist",
@@ -20,8 +19,7 @@ const scramjetBuild = await build({
     logLevel: "info",
     metafile: true,
     treeShaking: true,
-    minify: true,
+    minify: true
-    format: "esm"
 });
 
 writeFileSync("./meta.json", JSON.stringify(scramjetBuild.metafile));

src/bundle/index.ts

@@ -1,6 +1,6 @@
 import { encodeUrl, decodeUrl } from "./rewriters/url";
 import { rewriteCss } from "./rewriters/css";
-import { rewriteSrcset } from "./rewriters/srcset";
+import { rewriteHtml, rewriteSrcset } from "./rewriters/html";
 import { rewriteJs } from "./rewriters/js";
 import { rewriteHeaders } from "./rewriters/headers";
 
@@ -13,4 +13,24 @@ export function isScramjetFile(src: string) {
     return bool;
 }
 
-export { encodeUrl, decodeUrl, rewriteCss, rewriteSrcset, rewriteJs, rewriteHeaders };
+const bundle = {
+    rewriters: {
+        url: {
+            encodeUrl, decodeUrl
+        },
+        rewriteCss,
+        rewriteHtml,
+        rewriteSrcset,
+        rewriteJs,
+        rewriteHeaders
+    },
+    isScramjetFile
+}
+
+declare global {
+    interface Window {
+        __scramjet$bundle: typeof bundle;
+    }
+}
+
+self.__scramjet$bundle = bundle;

src/bundle/rewriters/html.ts

@@ -0,0 +1,86 @@
+import { Parser } from "htmlparser2";
+import { DomHandler, Element } from "domhandler";
+import { hasAttrib } from "domutils";
+import render from "dom-serializer";
+import { encodeUrl } from "./url";
+import { rewriteCss } from "./css";
+import { rewriteJs } from "./js";
+import { isScramjetFile } from "../";
+
+export function rewriteHtml(html: string, origin?: URL) {
+    const handler = new DomHandler((err, dom) => dom);
+    const parser = new Parser(handler);
+
+    parser.write(html);
+    parser.end();
+
+    return render(traverseParsedHtml(handler.root, origin));
+}
+
+// i need to add the attributes in during rewriting
+
+function traverseParsedHtml(node, origin?: URL) {
+    /* csp attributes */
+    if (hasAttrib(node, "nonce")) delete node.attribs.nonce;
+    if (hasAttrib(node, "integrity")) delete node.attribs.integrity;
+    if (hasAttrib(node, "csp")) delete node.attribs.csp;
+
+    /* url attributes */
+    if (hasAttrib(node, "src") && !isScramjetFile(node.attribs.src)) node.attribs.src = encodeUrl(node.attribs.src, origin);
+    if (hasAttrib(node, "href")) node.attribs.href = encodeUrl(node.attribs.href, origin);
+    if (hasAttrib(node, "data")) node.attribs.data = encodeUrl(node.attribs.data, origin);
+    if (hasAttrib(node, "action")) node.attribs.action = encodeUrl(node.attribs.action, origin);
+    if (hasAttrib(node, "formaction")) node.attribs.formaction = encodeUrl(node.attribs.formaction, origin);
+    
+    /* other */
+    if (hasAttrib(node, "srcdoc")) node.attribs.srcdoc = rewriteHtml(node.attribs.srcdoc, origin);
+    if (hasAttrib(node, "srcset")) node.attribs.srcset = rewriteSrcset(node.attribs.srcset, origin);
+    if (hasAttrib(node, "imagesrcset")) node.attribs.imagesrcset = rewriteSrcset(node.attribs.imagesrcset, origin);
+    if (hasAttrib(node, "style")) node.attribs.style = rewriteCss(node.attribs.style, origin);
+
+    if (node.name === "style" && node.children[0] !== undefined) node.children[0].data = rewriteCss(node.children[0].data, origin);
+    if (node.name === "script" && /(application|text)\/javascript|importmap|undefined/.test(node.attribs.type) && node.children[0] !== undefined) node.children[0].data = rewriteJs(node.children[0].data, origin);
+    if (node.name === "meta" && hasAttrib(node, "http-equiv")) {
+        if (node.attribs["http-equiv"] === "content-security-policy") {
+            node = {};
+        } else if (node.attribs["http-equiv"] === "refresh" && node.attribs.content.includes("url")) {
+            const contentArray = node.attribs.content.split("url=");
+            contentArray[1] = encodeUrl(contentArray[1].trim(), origin);
+            node.attribs.content = contentArray.join("url=");
+        }
+    }
+
+    if (node.name === "head") {
+        const scramjetScripts = [];
+        ["codecs", "config", "bundle", "client"].forEach((script) => {
+            scramjetScripts.push(new Element("script", {
+                src: self.__scramjet$config[script]
+            }));
+        });
+
+        node.children.unshift(...scramjetScripts);
+    }
+
+    if (node.childNodes) {
+        for (const childNode in node.childNodes) {
+            node.childNodes[childNode] = traverseParsedHtml(node.childNodes[childNode], origin);
+        }
+    }
+
+    return node;
+}
+
+// stole from osana lmao
+export function rewriteSrcset(srcset: string, origin?: URL) {
+    const urls = srcset.split(/ [0-9]+x,? ?/g);
+    if (!urls) return "";
+    const sufixes = srcset.match(/ [0-9]+x,? ?/g);
+    if (!sufixes) return "";
+    const rewrittenUrls = urls.map((url, i) => {
+        if (url && sufixes[i]) {
+            return encodeUrl(url, origin) + sufixes[i];
+        }
+    });
+
+    return rewrittenUrls.join("");
+}

src/bundle/rewriters/srcset.ts

@@ -1,15 +0,0 @@
-import { encodeUrl } from "./url";
-
-export function rewriteSrcset(srcset: string, origin?: URL) {
-    const urls = srcset.split(/ [0-9]+x,? ?/g);
-    if (!urls) return "";
-    const sufixes = srcset.match(/ [0-9]+x,? ?/g);
-    if (!sufixes) return "";
-    const rewrittenUrls = urls.map((url, i) => {
-        if (url && sufixes[i]) {
-            return encodeUrl(url, origin) + sufixes[i];
-        }
-    });
-
-    return rewrittenUrls.join("");
-}

src/bundle/rewriters/url.ts

@@ -1,6 +1,6 @@
 import { rewriteJs } from "./js";
 
-function canParseUrl(url: string, origin: string | URL) {
+function canParseUrl(url: string, origin?: URL) {
     try {
         new URL(url, origin);
 
@@ -11,14 +11,14 @@ function canParseUrl(url: string, origin: string | URL) {
 }
 
 // something is broken with this but i didn't debug it
-export function encodeUrl(url: string, origin?: string | URL) {
+export function encodeUrl(url: string, origin?: URL) {
     if (!origin) {
         origin = new URL(self.__scramjet$config.codec.decode(location.href.slice((location.origin + self.__scramjet$config.prefix).length)));
     }
 
     if (url.startsWith("javascript:")) {
         return "javascript:" + rewriteJs(url.slice("javascript:".length));
-    } else if (/^(#|mailto|about|data)/.test(url) || url.startsWith(location.origin + self.__scramjet$config.prefix)) {
+    } else if (/^(#|mailto|about|data)/.test(url)) {
         return url;
     } else if (canParseUrl(url, origin)) {
         return location.origin + self.__scramjet$config.prefix + self.__scramjet$config.codec.encode(new URL(url, origin).href);
@@ -29,7 +29,9 @@ export function encodeUrl(url: string, origin?: string | URL) {
 export function decodeUrl(url: string) {
     if (/^(#|about|data|mailto|javascript)/.test(url)) {
         return url;
-    } else {
+    } else if (canParseUrl(url)) {
         return self.__scramjet$config.codec.decode(url.slice((location.origin + self.__scramjet$config.prefix).length))
+    } else {
+        return url;
     }
 }

src/client/beacon.ts

@@ -1,8 +1,6 @@
-import { encodeUrl } from "../bundle";
-
 navigator.sendBeacon = new Proxy(navigator.sendBeacon, {
     apply(target, thisArg, argArray) {
-        argArray[0] = encodeUrl(argArray[0]);
+        argArray[0] = self.__scramjet$bundle.rewriters.url.encodeUrl(argArray[0]);
 
         return Reflect.apply(target, thisArg, argArray);
     },

src/client/css.ts

@@ -1,12 +1,10 @@
-import { rewriteCss } from "../bundle";
-
 const cssProperties = ["background", "background-image", "mask", "mask-image", "list-style", "list-style-image", "border-image", "border-image-source", "cursor"];
 const jsProperties = ["background", "backgroundImage", "mask", "maskImage", "listStyle", "listStyleImage", "borderImage", "borderImageSource", "cursor"];
 
     
 CSSStyleDeclaration.prototype.setProperty = new Proxy(CSSStyleDeclaration.prototype.setProperty, {
   apply(target, thisArg, argArray) {
-        if (cssProperties.includes(argArray[0])) argArray[1] = rewriteCss(argArray[1]);
+    if (cssProperties.includes(argArray[0])) argArray[1] = self.__scramjet$bundle.rewriters.rewriteCss(argArray[1]);
     
     return Reflect.apply(target, thisArg, argArray);  
   },
@@ -17,7 +15,7 @@ jsProperties.forEach((prop) => {
 
   Object.defineProperty(CSSStyleDeclaration.prototype, prop, {
     set(v) {
-            propDescriptor.set.call(this, rewriteCss(v));
+        propDescriptor.set.call(this, self.__scramjet$bundle.rewriters.rewriteCss(v));
     },
   })
 });

src/client/element.ts

@@ -1,6 +1,3 @@
-import { encodeUrl, rewriteCss, rewriteJs, rewriteSrcset } from "../bundle";
-import { rewriteHtml } from "../html";
-
 // object
 // iframe
 // embed
@@ -40,34 +37,25 @@ Object.keys(attribs).forEach((attrib: string) => {
         const descriptor = Object.getOwnPropertyDescriptor(element.prototype, attrib);
         Object.defineProperty(element.prototype, attrib, {
             get() {
-                return this.dataset[`${attrib}`];
+                return descriptor.get.call(this, [this.dataset[`_${attrib}`]]);
             },
 
             set(value) {
-                if (this.dataset["scramjet"]) {
+                this.dataset[`_${attrib}`] = value;
-                    return;
-                }
-                console.log(value);
-                this.dataset[`${attrib}`] = value;
                 if (/nonce|integrity|csp/.test(attrib)) {
                     this.removeAttribute(attrib);
                 } else if (/src|href|data|action|formaction/.test(attrib)) {
-                    // @ts-expect-error
-                    // TrustedScriptURL does not exist as a type yet, but it is a real thing
                     if (value instanceof TrustedScriptURL) {
                         return;
                     }
 
-                    value = encodeUrl(value);
+                    value = self.__scramjet$bundle.rewriters.url.encodeUrl(value);
                 } else if (attrib === "srcdoc") {
-                    // @ts-ignore
+                    value = self.__scramjet$bundle.rewriters.rewriteHtml(value);
-                    // This needs to be ignored because I'm bad at TypeScript
-                    
-                    value = rewriteHtml(value).documentElement.innerHTML;
                 } else if (/(image)?srcset/.test(attrib)) {
-                    value = rewriteSrcset(value);
+                    value = self.__scramjet$bundle.rewriters.rewriteSrcset(value);
                 } else if (attrib === "style") {
-                    value = rewriteCss(value);
+                    value = self.__scramjet$bundle.rewriters.rewriteCss(value);
                 }
 
                 descriptor.set.call(this, value);
@@ -76,35 +64,38 @@ Object.keys(attribs).forEach((attrib: string) => {
     })
 });
 
-Element.prototype.getAttribute = new Proxy(Element.prototype.getAttribute, {
+HTMLElement.prototype.getAttribute = new Proxy(Element.prototype.getAttribute, {
     apply(target, thisArg, argArray) {
-        if (Object.keys(attribs).includes(argArray[0]) && thisArg.dataset[`${argArray[0]}`]) {
+        console.log(thisArg);
-            return thisArg.dataset[`${argArray[0]}`];
+        if (Object.keys(attribs).includes(argArray[0])) {
+            argArray[0] = `_${argArray[0]}`;
         }
 
         return Reflect.apply(target, thisArg, argArray);
     },
 });
 
-Element.prototype.setAttribute = new Proxy(Element.prototype.setAttribute, {
+// setAttribute proxy is currently broken
+
+HTMLElement.prototype.setAttribute = new Proxy(Element.prototype.setAttribute, {
     apply(target, thisArg, argArray) {
         if (thisArg.dataset["scramjet"]) {
             return;
         }
         console.log(argArray[1])
         if (Object.keys(attribs).includes(argArray[0])) {
-            thisArg.dataset[`${argArray[0]}`] = argArray[1];
+            thisArg.dataset[`_${argArray[0]}`] = argArray[1];
             if (/nonce|integrity|csp/.test(argArray[0])) {
                 return;
             } else if (/src|href|data|action|formaction/.test(argArray[0])) {
-                argArray[1] = encodeUrl(argArray[1]);
+                console.log(thisArg);
+                argArray[1] = self.__scramjet$bundle.rewriters.url.encodeUrl(argArray[1]);
             } else if (argArray[0] === "srcdoc") {
-                // @ts-ignore
+                argArray[1] = self.__scramjet$bundle.rewriters.rewriteHtml(argArray[1]);
-                argArray[1] = rewriteHtml(argArray[1]).documentElement.innerHTML;
             } else if (/(image)?srcset/.test(argArray[0])) {
-                argArray[1] = rewriteSrcset(argArray[1]);
+                argArray[1] = self.__scramjet$bundle.rewriters.rewriteSrcset(argArray[1]);
             } else if (argArray[1] === "style") {
-                argArray[1] = rewriteCss(argArray[1]);
+                argArray[1] = self.__scramjet$bundle.rewriters.rewriteCss(argArray[1]);
             }
         }
 
@@ -117,22 +108,17 @@ const innerHTML = Object.getOwnPropertyDescriptor(Element.prototype, "innerHTML"
 Object.defineProperty(HTMLElement.prototype, "innerHTML", {
     set(value) {
         if (this instanceof HTMLScriptElement) {
-            // @ts-expect-error
-            // TrustedScript does not exist as a type yet, but it is a real thing
             if (!(value instanceof TrustedScript)) {
-                value = rewriteJs(value);
+                value = self.__scramjet$bundle.rewriters.rewriteJs(value);
             }
         } else if (this instanceof HTMLStyleElement) {
-            value = rewriteCss(value);
+            value = self.__scramjet$bundle.rewriters.rewriteCss(value);
         } else {
-            // @ts-expect-error
-            // TrustedHTML does not exist as a type, but it is a real thing
             if (!(value instanceof TrustedHTML)) {
-                // @ts-ignore
+                value = self.__scramjet$bundle.rewriters.rewriteHtml(value);
-                value = rewriteHtml(value).documentElement.innerHTML;
             }
         }
 
-        innerHTML.set.call(this, value);
+        return innerHTML.set.call(this, value);
     },
-});
+})

src/client/eval.ts

@@ -1,18 +1,16 @@
-import { rewriteJs } from "../bundle";
-
 const FunctionProxy = new Proxy(Function, {
     construct(target, argArray) {
         if (argArray.length === 1) {
-            return Reflect.construct(target, rewriteJs(argArray[0]));
+            return Reflect.construct(target, self.__scramjet$bundle.rewriters.rewriteJs(argArray[0]));
         } else {
-            return Reflect.construct(target, rewriteJs(argArray[argArray.length - 1]))
+            return Reflect.construct(target, self.__scramjet$bundle.rewriters.rewriteJs(argArray[argArray.length - 1]))
         }
     },
     apply(target, thisArg, argArray) {
         if (argArray.length === 1) {
-            return Reflect.apply(target, undefined, rewriteJs(argArray[0]));
+            return Reflect.apply(target, undefined, self.__scramjet$bundle.rewriters.rewriteJs(argArray[0]));
         } else {
-            return Reflect.apply(target, undefined, [...argArray.map((x, index) => index === argArray.length - 1), rewriteJs(argArray[argArray.length - 1])])
+            return Reflect.apply(target, undefined, [...argArray.map((x, index) => index === argArray.length - 1), self.__scramjet$bundle.rewriters.rewriteJs(argArray[argArray.length - 1])])
         }
     },
 });

src/client/fetch.ts

@@ -1,12 +1,8 @@
 // ts throws an error if you dont do window.fetch
 
-import { encodeUrl, rewriteHeaders } from "../bundle";
-
 window.fetch = new Proxy(window.fetch, {
     apply(target, thisArg, argArray) {
-        console.log(argArray);
+        argArray[0] = self.__scramjet$bundle.rewriters.url.encodeUrl(argArray[0]);
-        if (!(argArray[0] instanceof Request))  argArray[0] = encodeUrl(argArray[0]);
-        console.log(argArray);
 
         return Reflect.apply(target, thisArg, argArray);
     },
@@ -14,7 +10,7 @@ window.fetch = new Proxy(window.fetch, {
 
 Headers = new Proxy(Headers, {
     construct(target, argArray, newTarget) {
-        argArray[0] = rewriteHeaders(argArray[0]);
+        argArray[0] = self.__scramjet$bundle.rewriters.rewriteHeaders(argArray[0]);
 
         return Reflect.construct(target, argArray, newTarget);
     },
@@ -22,7 +18,7 @@ Headers = new Proxy(Headers, {
 
 Request = new Proxy(Request, {
     construct(target, argArray, newTarget) {
-        if (typeof argArray[0] === "string") argArray[0] = encodeUrl(argArray[0]);
+        if (typeof argArray[0] === "string") argArray[0] = self.__scramjet$bundle.rewriters.url.encodeUrl(argArray[0]);
 
         return Reflect.construct(target, argArray, newTarget);
     },
@@ -30,7 +26,7 @@ Request = new Proxy(Request, {
 
 Response.redirect = new Proxy(Response.redirect, {
     apply(target, thisArg, argArray) {
-        argArray[0] = encodeUrl(argArray[0]);
+        argArray[0] = self.__scramjet$bundle.rewriters.url.encodeUrl(argArray[0]);
 
         return Reflect.apply(target, thisArg, argArray);
     },

src/client/location.ts

@@ -1,11 +1,10 @@
 // @ts-nocheck
-import { encodeUrl, decodeUrl } from "../bundle";
 
 function urlLocation() {
-    const loc = new URL(decodeUrl(location.href));
+    let loc = new URL(self.__scramjet$bundle.rewriters.url.decodeUrl(location.href));
-    loc.assign = (url: string) => location.assign(encodeUrl(url));
+    loc.assign = (url: string) => location.assign(self.__scramjet$bundle.rewriters.url.encodeUrl(url));
     loc.reload = () => location.reload();
-    loc.replace = (url: string) => location.replace(encodeUrl(url));
+    loc.replace = (url: string) => location.replace(self.__scramjet$bundle.rewriters.url.encodeUrl(url));
     loc.toString = () => loc.href;
         
     return loc;
@@ -21,7 +20,7 @@ export function LocationProxy() {
         
         set(obj, prop, value) {
             if (prop === "href") {
-                location.href = encodeUrl(value);
+                location.href = self.__scramjet$bundle.rewriters.url.encodeUrl(value);
             } else {
                 loc[prop] = value;
             }

src/client/trustedTypes.ts

@@ -1,14 +1,9 @@
-import { encodeUrl, rewriteJs } from "../bundle";
-import { rewriteHtml } from "../html";
-
-// @ts-expect-error
-// trustedTypes isn't a type on the global scope yet
 trustedTypes.createPolicy = new Proxy(trustedTypes.createPolicy, {
     apply(target, thisArg, argArray) {
         if (argArray[1].createHTML) {
             argArray[1].createHTML = new Proxy(argArray[1].createHTML, {
                 apply(target1, thisArg1, argArray1) {
-                    return rewriteHtml(target1(...argArray1)).documentElement.innerHTML;
+                    return self.__scramjet$bundle.rewriters.rewriteHtml(target1(...argArray1));
                 },
             });
         }
@@ -16,7 +11,7 @@ trustedTypes.createPolicy = new Proxy(trustedTypes.createPolicy, {
         if (argArray[1].createScript) {
             argArray[1].createScript = new Proxy(argArray[1].createScript, {
                 apply(target1, thisArg1, argArray1) {
-                    return rewriteJs(target1(...argArray1));
+                    return self.__scramjet$bundle.rewriters.rewriteJs(target1(...argArray1));
                 },
             });
         }
@@ -24,7 +19,7 @@ trustedTypes.createPolicy = new Proxy(trustedTypes.createPolicy, {
         if (argArray[1].createScriptURL) {
             argArray[1].createScriptURL = new Proxy(argArray[1].createScriptURL, {
                 apply(target1, thisArg1, argArray1) {
-                    return encodeUrl(target1(...argArray1))
+                    return self.__scramjet$bundle.rewriters.url.encodeUrl(target1(...argArray1))
                 },
             })
         }

src/client/xmlhttprequest.ts

@@ -1,8 +1,6 @@
-import { encodeUrl, rewriteHeaders } from "../bundle";
-
 XMLHttpRequest.prototype.open = new Proxy(XMLHttpRequest.prototype.open, {
   apply(target, thisArg, argArray) {
-        if (argArray[1]) argArray[1] = encodeUrl(argArray[1]);
+    if (argArray[1]) argArray[1] = self.__scramjet$bundle.rewriters.url.encodeUrl(argArray[1]);
 
     return Reflect.apply(target, thisArg, argArray);
   },
@@ -11,7 +9,7 @@ XMLHttpRequest.prototype.open = new Proxy(XMLHttpRequest.prototype.open, {
 XMLHttpRequest.prototype.setRequestHeader = new Proxy(XMLHttpRequest.prototype.setRequestHeader, {
   apply(target, thisArg, argArray) {
     let headerObject = Object.fromEntries([argArray]);
-        headerObject = rewriteHeaders(headerObject);
+    headerObject = self.__scramjet$bundle.rewriters.rewriteHeaders(headerObject);
 
     argArray = Object.entries(headerObject)[0];
 

src/html/index.ts

@@ -1,91 +0,0 @@
-// this code needs to be bundled as a separate file due to when it is ran
-
-import { encodeUrl, rewriteCss, rewriteJs, rewriteSrcset } from "../bundle";
-import Clone from "./cloner.ts";
-
-const parser = new DOMParser();
-
-function parseHtml(html: string) {
-    return parser.parseFromString(html, "text/html");
-}
-
-function traverseParsedHtml(node: Element) {
-    for (const cspAttr of ["csp", "nonce", "integrity"]) {
-        if (node.hasAttribute(cspAttr)) {
-            node.setAttribute("data-" + cspAttr, node.getAttribute(cspAttr));
-            node.removeAttribute(cspAttr);
-        }
-    }
-
-    for (const urlAttr of ["src", "href", "data", "action"]) {
-        if (node.hasAttribute(urlAttr) && !node.hasAttribute("data-scramjet")) {
-            const url = node.getAttribute(urlAttr);
-            node.setAttribute("data-" + urlAttr, url)
-            node.setAttribute(urlAttr, encodeUrl(node.getAttribute(urlAttr)));
-        }
-    }
-
-    for (const srcsetAttr of ["srcset", "imagesrcset"]) {
-        if (node.hasAttribute(srcsetAttr)) {
-            const srcset = node.getAttribute(srcsetAttr);
-            node.setAttribute("data-", srcset);
-            node.setAttribute(srcsetAttr, rewriteSrcset(srcset));
-        }
-    }
-
-    if (node.hasAttribute("srcdoc")) {
-        const srcdoc = node.getAttribute("srcdoc");
-        node.setAttribute("data-srcdoc", srcdoc);
-
-        const rewrittenSrcdoc = rewriteHtml(srcdoc);
-        node.setAttribute("srcdoc", rewrittenSrcdoc.documentElement.innerHTML);
-    }
-
-    if (node instanceof HTMLScriptElement) {
-        if (node.hasAttribute("data-scramjet")) {
-            return;
-        }
-        node.innerHTML = rewriteJs(node.textContent);
-    } else if (node instanceof HTMLStyleElement) {
-        node.innerHTML = rewriteCss(node.textContent);
-    } else if (node instanceof HTMLHeadElement) {
-        // this array is reversed because it uses node.prepend()
-        for (const scramjetScript of ["client", "config", "codecs"]) {
-            const script = document.createElement("script");
-            script.src = self.__scramjet$config[scramjetScript];
-            script.setAttribute("data-scramjet", "");
-            node.prepend(script);
-        }
-    }
-
-    if (node.children) {
-        for (const child of node.children) {
-            traverseParsedHtml(child);
-        }
-    }
-}
-
-export function rewriteHtml(html: string) {
-    const parsedHtml = parseHtml(html);
-    traverseParsedHtml(parsedHtml.documentElement);
-
-    return parsedHtml;
-}
-
-navigator.serviceWorker.ready.then(({ active }) => {
-    if (active) {
-        active.postMessage("rewriteHtml");
-    }
-});
-
-navigator.serviceWorker.addEventListener("message", (message) => {
-    document.documentElement.replaceWith(rewriteHtml(message.data).documentElement);
-
-    const scripts = document.querySelectorAll("script:not([data-scramjet])");
-
-    for (const script of scripts) {
-        const clone = new Clone(script);
-        clone.insertCopy();
-        clone.removeElement();
-    }
-});

src/scramjet.config.ts

@@ -10,7 +10,6 @@ declare global {
             worker: string;
             client: string;
             codecs: string;
-            html: string;
         }
     }
 }
@@ -22,6 +21,5 @@ self.__scramjet$config = {
     bundle: "/scramjet.bundle.js",
     worker: "/scramjet.worker.js",
     client: "/scramjet.client.js",
-    codecs: "/scramjet.codecs.js",
+    codecs: "/scramjet.codecs.js"
-    html: "/scramjet.html.js"
 }

src/worker/index.ts

@@ -1,6 +1,5 @@
 import { BareClient } from "@mercuryworkshop/bare-mux";
-import { BareResponseFetch } from "@mercuryworkshop/bare-mux";
+import { BareResponseFetch } from "@mercuryworkshop/bare-mux"
-import { encodeUrl, decodeUrl, rewriteCss, rewriteJs, rewriteHeaders } from "../bundle";
 
 declare global {
     interface Window {
@@ -8,11 +7,9 @@ declare global {
     }
 }
 
-export class ScramjetServiceWorker {
+self.ScramjetServiceWorker = class ScramjetServiceWorker {
     client: typeof BareClient.prototype;
     config: typeof self.__scramjet$config;
-    html: string;
-
     constructor(config = self.__scramjet$config) {
         this.client = new BareClient();
         if (!config.prefix) config.prefix = "/scramjet/";
@@ -28,11 +25,11 @@ export class ScramjetServiceWorker {
         const urlParam = new URLSearchParams(new URL(request.url).search);
 
         if (urlParam.has("url")) {
-            return Response.redirect(encodeUrl(urlParam.get("url"), new URL(urlParam.get("url"))))
+            return Response.redirect(self.__scramjet$bundle.rewriters.url.encodeUrl(urlParam.get("url"), new URL(urlParam.get("url"))))
         }
 
         try {
-            const url = new URL(decodeUrl(request.url));
+            const url = new URL(self.__scramjet$bundle.rewriters.url.decodeUrl(request.url));
 
             const response: BareResponseFetch = await this.client.fetch(url, {
                 method: request.method,
@@ -45,28 +42,18 @@ export class ScramjetServiceWorker {
             });
 
             let responseBody;
-            const responseHeaders = rewriteHeaders(response.rawHeaders, url);
+            const responseHeaders = self.__scramjet$bundle.rewriters.rewriteHeaders(response.rawHeaders, url);
             if (response.body) {
                 switch (request.destination) {
                 case "iframe":
                 case "document":
-                    if (responseHeaders["content-type"].startsWith("text/html")) {
+                    responseBody = self.__scramjet$bundle.rewriters.rewriteHtml(await response.text(), url);
-                        responseBody = 
-                        `<html>
-                            <head>
-                                ${["codecs", "config", "html"].map((script) => "<script type=\"module\" src=" + this.config[script] + "></script>").join("")}
-                            </head>
-                        </html>`;
-                        this.html = await response.text();
-                    } else {
-                        responseBody = response.body
-                    }
                     break;
                 case "script":
-                    responseBody = rewriteJs(await response.text(), url);
+                    responseBody = self.__scramjet$bundle.rewriters.rewriteJs(await response.text(), url);
                     break;
                 case "style":
-                    responseBody = rewriteCss(await response.text(), url);
+                    responseBody = self.__scramjet$bundle.rewriters.rewriteCss(await response.text(), url);
                     break;
                 case "sharedworker":
                     break;
@@ -117,13 +104,7 @@ export class ScramjetServiceWorker {
             
             console.error(err);
 
-            return renderError(err, decodeUrl(request.url));
+            return renderError(err, self.__scramjet$bundle.rewriters.url.decodeUrl(request.url));
-        }
-    }
-
-    async messageListener(message: MessageEvent) {
-        if (message.data === "rewriteHtml") {
-            message.source.postMessage(this.html);
         }
     }
 }

static/sw.js

@@ -1,6 +1,7 @@
-import { ScramjetServiceWorker } from "./scramjet.worker.js";
+importScripts("scramjet.codecs.js");
-import "./scramjet.codecs.js";
+importScripts("scramjet.config.js");
-import "./scramjet.config.js";
+importScripts( __scramjet$config.bundle || "scramjet.bundle.js")
+importScripts( __scramjet$config.worker || "scramjet.worker.js");
 
 const scramjet = new ScramjetServiceWorker();
 
@@ -12,8 +13,4 @@ self.addEventListener("fetch", async (event) => {
             return await fetch(event.request);
         }
     })())
-});
+}) 
-
-self.addEventListener("message", async (message) => {
-    await scramjet.messageListener(message);
-});

static/ui.js

@@ -1,6 +1,5 @@
 navigator.serviceWorker.register("./sw.js", {
-    scope: __scramjet$config.prefix,
+    scope: __scramjet$config.prefix
-    type: "module"
 })
 const connection = new BareMux.BareMuxConnection("/bare-mux-worker.js")
 const flex = css`display: flex;`;