feat!: Replace old fluence-js with JS Client (#425)

js-client-examples/hello-world/src/__test__/test.spec.ts

@@ -0,0 +1,14 @@
+import { main } from '../main.js';
+
+describe('smoke test', () => {
+    it('should work', async () => {
+        console.log = jest.fn();
+
+        await main();
+
+        expect(console.log).toBeCalledTimes(3);
+        expect(console.log).toHaveBeenNthCalledWith(1, 'Hello, world!');
+        expect(console.log).toHaveBeenNthCalledWith(2, 'Wealth awaits you very soon.');
+        expect(console.log).toHaveBeenNthCalledWith(3, 'The relay time is: ', expect.anything());
+    }, 15000);
+});

js-client-examples/hello-world/src/index.ts

@@ -0,0 +1,3 @@
+import { main } from './main.js';
+
+main().catch((e) => console.error('error: ', e));

js-client-examples/hello-world/src/main.ts

@@ -0,0 +1,30 @@
+import '@fluencelabs/js-client.node';
+import { Fluence } from '@fluencelabs/js-client.api';
+import { randomKras } from '@fluencelabs/fluence-network-environment';
+import { registerHelloWorld, sayHello, getRelayTime, tellFortune } from './_aqua/hello-world.js';
+
+export async function main() {
+    await Fluence.connect(randomKras());
+
+    registerHelloWorld({
+        hello: (str) => {
+            console.log(str);
+        },
+        getFortune: async () => {
+            await new Promise((resolve) => {
+                setTimeout(resolve, 1000);
+            });
+            return 'Wealth awaits you very soon.';
+        },
+    });
+
+    await sayHello();
+
+    console.log(await tellFortune());
+
+    const relayTime = await getRelayTime();
+
+    console.log('The relay time is: ', new Date(relayTime).toLocaleString());
+
+    await Fluence.disconnect();
+}