extract and cache files

.gitignore

@@ -29,4 +29,7 @@ nomo_cli.config.js
 out/nomo_manifest.json
 
 # Webon Files
-out/nomo.tar.gz
+out/nomo.tar.gz
+
+# Cached WebOn Files
+cache/

src/util/extract-tar-gz.ts

@@ -0,0 +1,48 @@
+import { logFatal } from "../util/util";
+import * as tar from "tar";
+import { resolve, join } from "path";
+import { existsSync } from "fs";
+
+const requiredFiles = ["index.html", "nomo_icon.svg", "nomo_manifest.json"];
+const cacheDirectory = "./cache";
+
+export async function extractAndCache(args: {
+  tarFilePath: string;
+  destinationDir?: string;
+}) {
+  const { tarFilePath, destinationDir = cacheDirectory } = args;
+
+  try {
+    await tar.x({
+      file: tarFilePath,
+      cwd: resolve(destinationDir),
+    });
+
+    /* Maybe possible to fetch fileNames as stream before extracting:
+    const getEntryFilenamesSync = (tarFilePath as any) => {
+      const filenames = requiredFiles;
+      tar.t({
+        file: tarFilePath,
+        onentry: (entry) => filenames.push(entry.path),
+        sync: true,
+      });
+      return filenames
+    };*/
+
+    const missingFiles = requiredFiles.filter((file) => {
+      const filePath = join(resolve(destinationDir), "/out/", file);
+      console.log(filePath);
+      return !existsSync(filePath);
+    });
+    if (missingFiles.length > 0) {
+      logFatal(
+        `Error: The following required files are missing: ${missingFiles.join(
+          ", "
+        )}`
+      );
+    }
+    console.log(`Tar.gz file extracted successfully to: ${destinationDir}`);
+  } catch (error) {
+    logFatal(`Error extracting tar.gz file: ${error}`);
+  }
+}

src/util/ssh-manager.ts

@@ -1,4 +1,5 @@
 import { logFatal, readCliConfig, runCommandsSequentially } from "../util/util";
+import { extractAndCache } from "../util/extract-tar-gz";
 
 let sshConnect = "";
 
@@ -21,6 +22,9 @@ export async function connectToSSH(args: {
   const portOption = sshPort ? `-p ${sshPort}` : "";
   sshConnect = `ssh -t ${sshHost} ${portOption}`;
 
+  await extractAndCache({
+    tarFilePath: archive,
+  });
   const commands = [ls(), checkCreateDir(sshBaseDir)];
 
   await runCommandsSequentially(commands);