oasis-std - npm Package Compare versions

Comparing version 0.1.0-rc.24 to 0.1.0-rc.25

lib/src/gateway.d.ts

@@ -75,9 +75,5 @@ import EventEmitter from 'eventemitter3';
     private hasResults;
-    private cancelled;
     constructor(name: string, emitter: EventEmitter, decoder: (payload: Uint8Array) => Promise<T>, gateway: Gateway);
     [Symbol.asyncIterator](): AsyncIterator<T>;
-    /**
-     * Cancels this Subscription. No further events will be yielded.
-     */
-    cancel(): Promise<void>;
+    first(): Promise<T>;
 }

lib/src/gateway.js

@@ -189,3 +189,2 @@ "use strict";
         this.hasResults = new Promise((resolve) => (this.postResults = resolve));
-        this.cancelled = false;
         emitter
@@ -205,22 +204,35 @@ .on(name, ({ data }) => __awaiter(this, void 0, void 0, function* () {
         return __asyncGenerator(this, arguments, function* _a() {
-            while (!this.cancelled) {
-                if (this.events.length > 0) {
+            try {
+                while (true) {
+                    if (this.events.length > 0) {
+                        yield __await(yield* __asyncDelegator(__asyncValues(this.events)));
+                        this.events = [];
+                    }
+                    yield __await(this.hasResults);
                     yield __await(yield* __asyncDelegator(__asyncValues(this.events)));
                     this.events = [];
                 }
-                yield __await(this.hasResults);
-                yield __await(yield* __asyncDelegator(__asyncValues(this.events)));
-                this.events = [];
             }
+            finally {
+                yield __await(this.gateway['unsubscribe'](this.name));
+            }
         });
     }
-    /**
-     * Cancels this Subscription. No further events will be yielded.
-     */
-    cancel() {
+    first() {
+        var e_1, _a;
         return __awaiter(this, void 0, void 0, function* () {
-            this.cancelled = true;
-            this.events = []; // satisfy doc comment
-            this.postResults(); // cause a pending `for await` to resolve
-            yield this.gateway.unsubscribe(this.name);
+            try {
+                for (var _b = __asyncValues(this), _c; _c = yield _b.next(), !_c.done;) {
+                    const event = _c.value;
+                    return event;
+                }
+            }
+            catch (e_1_1) { e_1 = { error: e_1_1 }; }
+            finally {
+                try {
+                    if (_c && !_c.done && (_a = _b.return)) yield _a.call(_b);
+                }
+                finally { if (e_1) throw e_1.error; }
+            }
+            throw new Error('Subscription closed before the first event');
         });
@@ -227,0 +239,0 @@ }

package.json

 {
     "name": "oasis-std",
-    "version": "0.1.0-rc.24",
+    "version": "0.1.0-rc.25",
     "description": "Oasis platform standard library",
@@ -27,3 +27,3 @@ "license": "Apache-2.0",
     },
-    "gitHead": "d25495a596c15340f9527d7fd143e516bb381e5b"
+    "gitHead": "7e4e39d5ee7ad12ef6faa3b906d474290ee1b81a"
 }

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Total package byte prevSize

273452

increased by0.11%

Lines of code

1749

increased by0.46%

No dependency changes