107 lines
2.3 KiB
TypeScript
107 lines
2.3 KiB
TypeScript
export const panelHtml = `<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<base target="_top">
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<script>
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const pendingRequests = new Map();
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let syscallReqId = 0;
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self.syscall = async (name, ...args) => {
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return await new Promise((resolve, reject) => {
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syscallReqId++;
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pendingRequests.set(syscallReqId, { resolve, reject });
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window.parent.postMessage({
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type: "syscall",
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id: syscallReqId,
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name,
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args,
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}, "*");
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});
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};
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let oldHeight = undefined;
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let heightChecks = 0;
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window.addEventListener("message", (message) => {
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const data = message.data;
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switch (data.type) {
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case "html":
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document.body.innerHTML = data.html;
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if(data.theme) {
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document.getElementsByTagName("html")[0].setAttribute("data-theme", data.theme);
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}
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if (data.script) {
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try {
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eval(data.script);
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} catch (e) {
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console.error("Error evaling script", e);
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}
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}
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setTimeout(() => {
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oldHeight = undefined;
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heightChecks = 0;
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updateHeight();
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});
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break;
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case "syscall-response":
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{
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const syscallId = data.id;
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const lookup = pendingRequests.get(syscallId);
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if (!lookup) {
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console.log(
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"Current outstanding requests",
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pendingRequests,
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"looking up",
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syscallId,
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);
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throw Error("Invalid request id");
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}
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pendingRequests.delete(syscallId);
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if (data.error) {
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lookup.reject(new Error(data.error));
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} else {
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lookup.resolve(data.result);
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}
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}
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break;
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}
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});
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function api(obj) {
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window.parent.postMessage(obj, "*");
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}
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function updateHeight() {
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const body = document.body, html = document.documentElement;
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let height = Math.max(body.offsetHeight, html.offsetHeight);
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heightChecks++;
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if(height !== oldHeight) {
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oldHeight = height;
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api({
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type: "setHeight",
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height: height,
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});
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}
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if(heightChecks < 25) {
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setTimeout(updateHeight, 100);
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}
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}
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function loadJsByUrl(url) {
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const script = document.createElement("script");
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script.src = url;
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return new Promise((resolve) => {
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script.onload = resolve;
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document.documentElement.firstChild.appendChild(script);
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});
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}
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</script>
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</head>
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<body>
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</body>
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</html>`;
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