Update element fill to replace file
URIs in image tags
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parent
2b3d2933eb
commit
414eb7076f
@ -25,18 +25,37 @@ const newCreateElement = <K extends keyof HTMLElementTagNameMap>(tagName: K): HT
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// tslint:disable-next-line:no-any
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return oldCreateElement.call(document, tagName as any);
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};
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// tslint:disable-next-line:no-any
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const getPropertyDescriptor = (object: any, id: string): PropertyDescriptor | undefined => {
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let op = Object.getPrototypeOf(object);
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while (!Object.getOwnPropertyDescriptor(op, id)) {
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op = Object.getPrototypeOf(op);
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}
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return Object.getOwnPropertyDescriptor(op, id);
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};
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if (tagName === "img") {
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const img = createElement("img");
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const oldSrc = getPropertyDescriptor(img, "src");
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if (!oldSrc) {
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throw new Error("Failed to find src property");
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}
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Object.defineProperty(img, "src", {
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get: (): string => {
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return oldSrc!.get!.call(img);
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},
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set: (value: string): void => {
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value = value.replace(/file:\/\//g, "/resource");
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oldSrc!.set!.call(img, value);
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},
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});
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return img;
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}
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if (tagName === "style") {
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const style = createElement("style");
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// tslint:disable-next-line:no-any
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const getPropertyDescriptor = (object: any, id: string): PropertyDescriptor | undefined => {
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let op = Object.getPrototypeOf(object);
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while (!Object.getOwnPropertyDescriptor(op, id)) {
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op = Object.getPrototypeOf(op);
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}
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return Object.getOwnPropertyDescriptor(op, id);
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};
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const oldInnerHtml = getPropertyDescriptor(style, "innerHTML");
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if (!oldInnerHtml) {
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throw new Error("Failed to find innerHTML property");
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