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add style proxy

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This commit is contained in:
velzie 2024-10-10 17:42:47 -04:00
parent 7aaf3b7ceb
commit 592e8d183f
1 changed files with 38 additions and 0 deletions
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38
src/client/dom/element.ts
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@ -12,6 +12,10 @@ import {
import type { URLMeta } from "../../shared/rewriters/url";
export default function (client: ScramjetClient, self: typeof window) {
const nativeGetAttribute = self.Element.prototype.getAttribute;
const nativeSetAttribute = self.Element.prototype.setAttribute;
const nativeHasAttribute = self.Element.prototype.hasAttribute;
const attrObject = {
nonce: [self.HTMLElement],
integrity: [self.HTMLScriptElement, self.HTMLLinkElement],
@ -60,6 +64,7 @@ export default function (client: ScramjetClient, self: typeof window) {
},
set(value) {
nativeSetAttribute.call(this, "data-scramjet-" + attr, value);
if (["nonce", "integrity", "csp"].includes(attr)) {
return;
} else if (
@ -160,6 +165,39 @@ export default function (client: ScramjetClient, self: typeof window) {
},
});
client.Trap("HTMLElement.prototype.style", {
get(ctx) {
// unfortunate and dumb hack. we have to trap every property of this
// since the prototype chain is fucked
const style = ctx.get() as CSSStyleDeclaration;
return new Proxy(style, {
get(t, p) {
let v = Reflect.get(t, p);
if (typeof v === "function") {
return new Proxy(v, {
apply(target, thisArg, argArray) {
return Reflect.apply(target, style, argArray);
},
});
}
// todo properly unrewrite whatever
return v;
},
set(t, p, v) {
if (v == "" || typeof v !== "string") {
return Reflect.set(t, p, v);
}
return Reflect.set(t, p, rewriteCss(v, client.meta));
},
});
},
set(ctx, v: string) {
ctx.set(rewriteCss(v, client.meta));
},
});
client.Trap("Element.prototype.innerHTML", {
set(ctx, value: string) {
let newval;