Set a nice name for the process on Mac & Linux

Unfortunately not so easy on Windows AFAICT

Author: pimterry

src/commands/start.ts

@@ -43,6 +43,8 @@ class HttpToolkitServer extends Command {
     async run() {
         const { flags } = this.parse(HttpToolkitServer);
 
+        this.setProcessTitle();
+
         this.cleanupOldServers(); // Async cleanup old server versions
 
         await runHTK({
@@ -54,6 +56,20 @@ class HttpToolkitServer extends Command {
         });
     }
 
+    setProcessTitle() {
+        if (process.platform === 'win32') return; // Not possible on Windows, as far as I can tell.
+
+        // Set the process title for easier management in activity monitor etc. This has some limitations,
+        // see https://nodejs.org/api/process.html#processtitle for details. In our case it's v likely to
+        // work regardless, as the full paths used in the desktop app are fairly long already, plus the
+        // path to the 'run' bin plus 'start', but we include a shorter fallback just in case too:
+        const currentProcessTitle = [process.argv0, ...process.argv.slice(1)].join(' ');
+        process.title = currentProcessTitle.length > 18
+            ? "HTTP Toolkit Server"
+            : "htk-server";
+
+    }
+
     // On startup, we want to kill any downloaded servers that are not longer necessary
     async cleanupOldServers() {
         if (!fs) return; // In node 8, fs.promises doesn't exist, so just skip this