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+/*---------------------------------------------------------------------------------------------
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+ * Copyright (c) Microsoft Corporation. All rights reserved.
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+ * Licensed under the MIT License. See License.txt in the project root for license information.
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+ *--------------------------------------------------------------------------------------------*/
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+
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+import { loadMonaco } from "../monaco-loader";
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+import { IPreviewState } from "../shared";
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+import { LzmaCompressor } from "../website/utils/lzmaCompressor";
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+import "./style.scss";
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+
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+let monacoPromise: Promise<any> | undefined = undefined;
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+
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+async function initialize(state: IPreviewState) {
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+ if (monacoPromise) {
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+ throw new Error("already initialized");
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+ }
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+
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+ const loadingContainerDiv = document.createElement("div");
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+ loadingContainerDiv.className = "loader-container";
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+ const loadingDiv = document.createElement("div");
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+ loadingDiv.className = "loader";
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+ loadingContainerDiv.appendChild(loadingDiv);
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+ document.body.appendChild(loadingContainerDiv);
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+
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+ monacoPromise = loadMonaco(state.monacoSetup);
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+ await monacoPromise;
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+
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+ loadingContainerDiv.remove();
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+
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+ const style = document.createElement("style");
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+ style.id = "custom-style";
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+ style.innerHTML = state.css; // CodeQL [SM03712] This is safe because the runner runs in an isolated iframe. This feature is essential to the functionality of the playground. // CodeQL [SM02688] This is safe because the runner runs in an isolated iframe. This feature is essential to the functionality of the playground.
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+ document.body.appendChild(style);
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+
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+ document.body.innerHTML += state.html;
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+
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+ const js = state.js;
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+
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+ try {
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+ eval(js); // CodeQL [SM01632] This is safe because the runner runs in an isolated iframe. This feature is essential to the functionality of the playground. // CodeQL [SM02688] This is safe because the runner runs in an isolated iframe. This feature is essential to the functionality of the playground.
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+ } catch (err) {
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+ const pre = document.createElement("pre");
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+ pre.appendChild(
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+ document.createTextNode(`${err}: ${(err as any).state}`)
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+ );
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+ document.body.insertBefore(pre, document.body.firstChild);
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+ }
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+}
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+
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+async function main() {
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+ const compressor = new LzmaCompressor<IPreviewState>();
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+ const stateStr = new URLSearchParams(window.location.search).get("state");
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+ const state = compressor.decodeData<IPreviewState>(stateStr!);
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+
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+ const previousStateStr = localStorage.getItem("stateStr");
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+ if (previousStateStr === stateStr) {
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+ initialize(state);
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+ } else {
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+ // If it does not, show the load button
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+ const loadButton = document.createElement("button");
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+ loadButton.style.position = "absolute";
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+ loadButton.style.top = "50%";
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+ loadButton.style.left = "50%";
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+ loadButton.style.transform = "translate(-50%, -50%)";
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+ loadButton.innerText = "Load";
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+ loadButton.style.padding = "10px 20px";
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+ loadButton.onclick = () => {
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+ loadButton.remove();
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+ localStorage.setItem("stateStr", stateStr!);
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+ initialize(state);
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+ };
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+ document.body.appendChild(loadButton);
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+ }
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+}
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+main();
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Henning Dieterichs