save file experimentation

save-patcher/.gitignore

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+node_modules

save-patcher/package-lock.json

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+{
+  "name": "save-patcher",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "lz-string": "^1.5.0"
+      }
+    },
+    "node_modules/lz-string": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/lz-string/-/lz-string-1.5.0.tgz",
+      "integrity": "sha512-h5bgJWpxJNswbU7qCrV0tIKQCaS3blPDrqKWx+QxzuzL1zGUzij9XCWLrSLsJPu5t+eWA/ycetzYAO5IOMcWAQ==",
+      "bin": {
+        "lz-string": "bin/bin.js"
+      }
+    }
+  }
+}

save-patcher/package.json

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+{
+  "dependencies": {
+    "lz-string": "^1.5.0"
+  }
+}

save-patcher/save-to-json.js

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+const lzs = require('lz-string');
+const fs = require('fs');
+
+const decoded = JSON.parse(lzs.decompressFromBase64(fs.readFileSync(process.argv[2], "utf-8")));
+fs.writeFileSync(process.argv[3], JSON.stringify(decoded, null, 2));