feat(demos) add JS client

demos/js-client/skynet.mjs

@@ -0,0 +1,69 @@
+export class SkynetClient {
+    constructor(options = {}) {
+        this._baseUrl = options.baseUrl ?? 'http://localhost:8000';
+    }
+
+    async summary(text, options) {
+        return this._fetchAndPoll(`${this._baseUrl}/summaries/v1/summary`, text, options)
+    }
+
+    async actionItems(text, options) {
+        return this._fetchAndPoll(`${this._baseUrl}/summaries/v1/action-items`, text, options)
+    }
+
+    async _fetchAndPoll(url, text, options = {}) {
+        // Submit the job.
+        const r = await fetch(url, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json'
+            },
+            body: JSON.stringify({
+                hint: options?.hint ?? 'text',
+                text
+            })
+        });
+        const data = await r.json();
+        const jobId = data.id;
+
+        if (!jobId) {
+            throw new Error('Could not create job');
+        }
+
+        const d = createDeferred();
+
+        // Poll for it.
+        const int = setInterval(async () => {
+            try {
+                const r = await fetch(`${this._baseUrl}/summaries/v1/job/${jobId}`);
+                const data = await r.json();
+
+                if (data.status === 'success') {
+                    clearInterval(int);
+                    d.resolve(data.result);
+                } else if (data.status === 'error') {
+                    clearInterval(int);
+                    d.reject(new Error(data.result));
+                }
+            } catch(_) {}
+        }, 5 * 1000);
+
+        return d.promise;
+    }
+}
+
+
+function createDeferred() {
+    if (Promise.withResolvers) {
+        return Promise.withResolvers();
+    }
+
+    const d = {};
+
+    d.promise = new Promise((resolve, reject) => {
+        d.resolve = resolve;
+        d.reject = reject;
+    })
+
+    return d;
+}