1 files changed, 18 insertions, 0 deletions
diff --git a/diplomacy/web/src/gui/utils/saveGameToDisk.js b/diplomacy/web/src/gui/utils/saveGameToDisk.js
new file mode 100644
index 0000000..aae69a4
--- /dev/null
+++ b/diplomacy/web/src/gui/utils/saveGameToDisk.js
@@ -0,0 +1,18 @@
+export function saveGameToDisk(game, onError) {
+    if (game.client) {
+        game.client.save()
+            .then((savedData) => {
+                const domLink = document.createElement('a');
+                domLink.setAttribute(
+                    'href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(JSON.stringify(savedData)));
+                domLink.setAttribute('download', `${game.game_id}.json`);
+                domLink.style.display = 'none';
+                document.body.appendChild(domLink);
+                domLink.click();
+                document.body.removeChild(domLink);
+            })
+            .catch(exc => onError(`Error while saving game: ${exc.toString()}`));
+    } else {
+        onError(`Cannot save this game.`);
+    }
+}