Bug fix for demo

Author: Aelbannan

lib/zero.d.ts

@@ -3,6 +3,7 @@ export declare class DgraphZero {
     private readonly addr;
     constructor(addr?: string);
     getState(): Promise<Response>;
+    getClusterHealth(): Promise<Response>;
     private callAPI;
     private getURL;
 }

lib/zero.js

@@ -49,6 +49,9 @@ var DgraphZero = (function () {
     DgraphZero.prototype.getState = function () {
         return this.callAPI("state", {});
     };
+    DgraphZero.prototype.getClusterHealth = function () {
+        return this.callAPI("health?all", {});
+    };
     DgraphZero.prototype.callAPI = function (path, config) {
         return __awaiter(this, void 0, void 0, function () {
             var url;

src/zero.ts

@@ -26,6 +26,10 @@ export class DgraphZero {
         return this.callAPI("state", {});
     }
 
+    getClusterHealth() : Promise<Response> {
+        return this.callAPI("health?all", {});
+    }
+
     private async callAPI<T>(path: string, config: { method?: string; body?: string; headers?: { [k: string]: string } }): Promise<T> {
         const url = this.getURL(path);