libkernel - npm Package Compare versions

Comparing version 0.0.4 to 0.0.5

dist/messages.js

@@ -1,4 +0,39 @@
-// TODO: Need to write the nonce framework.
+// Establish a system for matching messages to the kernel with responses from
+// the kernel.
 var nextNonce = 0;
 var queries = new Object();
+// handleMessage will handle a message from the kernel, using the reponse to
+// resolve the appropriate promise in the set of queries.
+function handleMessage(event) {
+    // Check the message source.
+    if (event.source !== window) {
+        return;
+    }
+    // Check that this message is a kernelResponse.
+    if (!("data" in event) || !("method" in event.data)) {
+        return;
+    }
+    if (event.data.method !== "kernelResponse") {
+        return;
+    }
+    // Check that we have a promise for the provided nonce.
+    if (!(event.data.nonce in queries)) {
+        console.log("received message with missing nonce\n", event, "\n", queries);
+        return;
+    }
+    // Either resolve or reject the promise associated with this response.
+    if (event.data.resp !== null) {
+        let resolve = queries[event.data.nonce].resolve;
+        resolve(event.data.resp);
+    }
+    else if (event.data.resp !== null) {
+        let reject = queries[event.data.nonce].reject;
+        reject(event.data.err);
+    }
+    else {
+        console.log("received malformed response from bridge\n", event.data);
+    }
+    delete queries[event.data.nonce];
+    console.log("got message from bridge\n", event, "\n", event.data);
+}
 // init will add an event listener for messages from the kernel bridge.
@@ -9,11 +44,3 @@ //
 export function init() {
-    window.addEventListener("message", function (event) {
-        if (!("data" in event) || !("method" in event.data)) {
-            return;
-        }
-        if (event.data.method !== "kernelResponse") {
-            return;
-        }
-        console.log("got message from bridge\n", event, "\n", event.data);
-    });
+    window.addEventListener("message", handleMessage);
 }
@@ -27,6 +54,6 @@ // kernelRequestTest will send a message to the bridge asking for a kernel
 export function testMessage() {
-    return new Promise(resolve => {
+    return new Promise((resolve, reject) => {
         let nonce = nextNonce;
         nextNonce++;
-        queries[nonce] = resolve;
+        queries[nonce] = { resolve, reject };
         window.postMessage({
@@ -33,0 +60,0 @@ method: "kernelMessage",

package.json

 {
   "name": "libkernel",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "description": "helper library to interact with the skynet kernel",
@@ -5,0 +5,0 @@ "main": "dist/index.js",

No alert changes

Improved metrics

Total package byte prevSize

2973

increased by52.7%

Lines of code

79

increased by51.92%

No dependency changes