mirror of
https://github.com/bitburner-official/bitburner-src.git
synced 2026-04-16 06:18:42 +02:00
102 lines
3.6 KiB
HTML
102 lines
3.6 KiB
HTML
<!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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<title>Bitburner</title>
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<style>
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body {
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background-color: black;
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color: #0c0;
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}
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div {
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height: 100vh;
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display: flex;
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justify-content: center;
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align-items: center;
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}
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h1 {
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text-align: center;
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}
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</style>
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</head>
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<body>
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<div>
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<h1>Close me when operation is completed.</h1>
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</div>
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<!-- Use esm for top-level await -->
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<script type="module">
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const databaseName = "bitburnerSave";
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// Check src/db.ts to see why the current max version is 2. If the database version is greater than this value, it
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// means that the code in this file is outdated.
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const maxDatabaseVersion = 2;
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const databases = await window.indexedDB.databases();
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const database = databases.find((info) => info.name === databaseName);
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if (!database) {
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alert("There is no save data");
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// This is the simplest way to stop execution in top-level code without using a labeled block or IIFE.
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throw new Error("There is no save data");
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}
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if (database.version === undefined || database.version > maxDatabaseVersion) {
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alert(`Invalid database version: ${database.version}`);
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throw new Error(`Invalid database version: ${database.version}`);
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}
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// Do NOT specify the version. We must open the database at the current version; otherwise, we will trigger
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// onupgradeneeded.
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const dbRequest = window.indexedDB.open(databaseName);
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dbRequest.onerror = (event) => {
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console.error(event.target.error);
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alert(event.target.error);
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};
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dbRequest.onsuccess = () => {
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const db = dbRequest.result;
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try {
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if (!db.objectStoreNames.contains("savestring")) {
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alert("There is no save data");
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return;
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}
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const transaction = db.transaction(["savestring"], "readonly");
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const objectStore = transaction.objectStore("savestring");
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const request = objectStore.get("save");
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request.onsuccess = () => {
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if (request.result == null) {
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alert("There is no save data");
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return;
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}
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let isBinaryFormat;
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if (request.result instanceof Uint8Array) {
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// All modules in the Electron folder are CommonJS, so importing them here would be really difficult. The
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// isBinaryFormat function is very small, so let's inline it here.
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isBinaryFormat = true;
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const magicBytesOfDeflateGzip = [0x1f, 0x8b, 0x08];
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for (let i = 0; i < magicBytesOfDeflateGzip.length; ++i) {
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if (magicBytesOfDeflateGzip[i] !== request.result[i]) {
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isBinaryFormat = false;
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break;
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}
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}
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} else {
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isBinaryFormat = false;
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}
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const extension = isBinaryFormat ? "json.gz" : "json";
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const filename = `bitburnerSave_${Date.now()}.${extension}`;
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const blob = new Blob([request.result]);
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const anchorElement = document.createElement("a");
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const url = URL.createObjectURL(blob);
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anchorElement.href = url;
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anchorElement.download = filename;
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anchorElement.click();
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setTimeout(function () {
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URL.revokeObjectURL(url);
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}, 0);
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};
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} catch (error) {
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console.error(error);
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alert(error);
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}
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};
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</script>
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</body>
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</html>
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