Initial commit

js/mergeZipFiles.js

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+/**
+ * Utility to merge MobaXterm key file with custom settings file
+ */
+
+/**
+ * Merges a custom settings file with the license file
+ * @param {Blob} licenseFile - The Custom.mxtpro license file (which is a ZIP containing Pro.key)
+ * @param {Blob} customSettingsFile - The MobaXterm customization.custom file (which is a ZIP with settings)
+ * @returns {Promise<Blob>} - A promise that resolves to the merged ZIP file
+ */
+function mergeZipFiles(licenseFile, customSettingsFile) {
+  return new Promise((resolve, reject) => {
+    // Create a new JSZip instance for the merged result
+    const mergedZip = new JSZip();
+    const licenseZip = new JSZip();
+    const settingsZip = new JSZip();
+    
+    // First load the license file
+    licenseZip.loadAsync(licenseFile)
+      .then((licenseContents) => {
+        // Then load the custom settings file
+        return settingsZip.loadAsync(customSettingsFile)
+          .then((settingsContents) => {
+            // Get the Pro.key file from license ZIP
+            return licenseContents.file("Pro.key").async("string")
+              .then((proKeyContent) => {
+                // Add the Pro.key to the merged zip
+                mergedZip.file("Pro.key", proKeyContent);
+                
+                // Add all files from the custom settings ZIP
+                const promises = [];
+                settingsContents.forEach((relativePath, file) => {
+                  if (!file.dir) {
+                    const promise = file.async("blob").then((content) => {
+                      mergedZip.file(relativePath, content);
+                    });
+                    promises.push(promise);
+                  }
+                });
+                
+                return Promise.all(promises).then(() => {
+                  // Generate the final merged ZIP file
+                  return mergedZip.generateAsync({type: "blob"});
+                });
+              });
+          });
+      })
+      .then((mergedContent) => {
+        resolve(mergedContent);
+      })
+      .catch((error) => {
+        console.error("Error merging ZIP files:", error);
+        reject(error);
+      });
+  });
+}
+
+export { mergeZipFiles };