initial commit/backup

serverJS/worker.js

@@ -0,0 +1,56 @@
+import { parentPort, workerData } from 'worker_threads';
+
+import fs from 'fs';
+import mhtml2html from "mhtml2html";
+import { JSDOM } from 'jsdom';
+
+
+function MHTMLtoHTML(savePath, tabId) {
+    return new Promise((resolve) => {
+        // read the MHTML file content
+        const mhtmlContent = fs.readFileSync(savePath, 'utf8');
+
+        /** @type {JSDOM} */
+        const parsedResult = mhtml2html.convert(mhtmlContent, { parseDOM: (html) => new JSDOM(html) });
+
+        // save the extracted HTML file
+        const htmlPath = savePath.replace('.mhtml', '.html');
+        fs.writeFile(htmlPath, parsedResult.serialize(), (err) => {
+            if (err) {
+                logger.error(`error saving ${tabId}`);
+                return resolve(false);
+            }
+            fs.rmSync(savePath);
+            resolve(true)
+        });
+    });
+}
+
+// a function to process the request data
+const processRequest = async (data) => {
+    try {
+        const { fn, args } = data;
+        let result;
+
+        switch (fn) {
+            case 'convertpage': result = await MHTMLtoHTML(...args);
+                break;
+
+            default: console.log(`unknown function "${fn}(${args})`);
+        }
+
+        return result;
+    } catch (err) {
+        console.error(err);
+        // handle and report any errors
+        return { success: false, error: err.message };
+    }
+};
+
+// read input from the workerData passed from the main thread and process it
+(async () => {
+    const result = await processRequest(workerData);
+    // send the response to the main process
+    parentPort.postMessage(result);
+    process.exit(0);
+})();