fix setup of new document, closes #966

src/public/app/services/options.js

@@ -0,0 +1,57 @@
+import server from "./server.js";
+
+class Options {
+    constructor() {
+        this.initializedPromise = server.get('options').then(data => this.load(data));
+    }
+
+    load(arr) {
+        this.arr = arr;
+    }
+
+    get(key) {
+        return this.arr[key];
+    }
+
+    getNames() {
+        return Object.keys(this.arr);
+    }
+
+    getJson(key) {
+        try {
+            return JSON.parse(this.arr[key]);
+        }
+        catch (e) {
+            return null;
+        }
+    }
+
+    getInt(key) {
+        return parseInt(this.arr[key]);
+    }
+
+    getFloat(key) {
+        return parseFloat(this.arr[key]);
+    }
+
+    is(key) {
+        return this.arr[key] === 'true';
+    }
+
+    set(key, value) {
+        this.arr[key] = value;
+    }
+
+    async save(key, value) {
+        this.set(key, value);
+
+        const payload = {};
+        payload[key] = value;
+
+        await server.put(`options`, payload);
+    }
+}
+
+const options = new Options();
+
+export default options;