smqp - npm Package Compare versions

Comparing version 1.11.1 to 2.0.0

CHANGELOG.md

 Changelog
 =========
 
+# 2.0.0
+
+## Breaking changes
+- `createShovel` has changed signature: last argument `cloneMessage` is converted to an `args` object, and `cloneMessage` moved to a property of `args`
+
+## Additions
+- Introduce e2e by `bindExchange` and consequentaly `unbindExchange`, shoveling messages between exchanges
+
 # 1.11.1
@@ -5,0 +13,0 @@

dist/src/Broker.js

@@ -253,5 +253,34 @@ "use strict";
 
-  function bindExchange() {}
+  function bindExchange(source, destination, pattern = '#', args = {}) {
+    const name = `e2e-${source}2${destination}-${pattern}`;
+    const {
+      consumerTag,
+      on: onShovel,
+      close: onClose,
+      source: shovelSource
+    } = createShovel(name, {
+      broker,
+      exchange: source,
+      pattern,
+      consumerTag: `smq.ctag-${name}`
+    }, {
+      broker,
+      exchange: destination
+    }, { ...args
+    });
+    return {
+      name,
+      source,
+      destination,
+      queue: shovelSource.queue,
+      consumerTag,
+      on: onShovel,
+      close: onClose
+    };
+  }
 
-  function unbindExchange() {}
+  function unbindExchange(source, destination, pattern = '#') {
+    const name = `e2e-${source}2${destination}-${pattern}`;
+    return closeShovel(name);
+  }
 
@@ -258,0 +287,0 @@ function publish(exchangeName, routingKey, content, options) {

dist/src/Shovel.js

@@ -10,3 +10,3 @@ "use strict";
 
-function Shovel(name, source, destination, cloneMessage) {
+function Shovel(name, source, destination, options = {}) {
   const {
@@ -22,2 +22,5 @@ broker: sourceBroker,
   } = destination;
+  const {
+    cloneMessage
+  } = options;
   const sourceExchange = sourceBroker.getExchange(sourceExchangeName);
@@ -35,3 +38,4 @@
 
-  const consumerTag = `smq.shoveltag-${name}`;
+  const sameBroker = sourceBroker === destinationBroker;
+  const consumerTag = source.consumerTag || `smq.shoveltag-${name}`;
   const routingKeyPattern = pattern || '#';
@@ -77,5 +81,7 @@ const events = (0, _Exchange.EventExchange)();
     } = messageHandler(message);
-    destinationExchange.publish(routingKey, content, { ...properties,
-      'shovel-name': name
-    });
+    const props = { ...properties,
+      'source-exchange': sourceExchangeName
+    };
+    if (!sameBroker) props['shovel-name'] = name;
+    destinationExchange.publish(routingKey, content, props);
     message.ack();
@@ -82,0 +88,0 @@ }

package.json

 {
   "name": "smqp",
-  "version": "1.11.1",
+  "version": "2.0.0",
   "description": "Synchronous message queuing package",
@@ -55,3 +55,4 @@ "author": {
     "topic",
-    "direct"
+    "direct",
+    "shovel"
   ],
@@ -58,0 +59,0 @@ "devDependencies": {

src/Broker.js

@@ -238,5 +238,32 @@ import {Exchange, EventExchange} from './Exchange';
 
-  function bindExchange() {}
-  function unbindExchange() {}
+  function bindExchange(source, destination, pattern = '#', args = {}) {
+    const name = `e2e-${source}2${destination}-${pattern}`;
+    const {consumerTag, on: onShovel, close: onClose, source: shovelSource} = createShovel(name, {
+      broker,
+      exchange: source,
+      pattern,
+      consumerTag: `smq.ctag-${name}`,
+    }, {
+      broker,
+      exchange: destination
+    }, {
+      ...args
+    });
 
+    return {
+      name,
+      source,
+      destination,
+      queue: shovelSource.queue,
+      consumerTag,
+      on: onShovel,
+      close: onClose,
+    };
+  }
+
+  function unbindExchange(source, destination, pattern = '#') {
+    const name = `e2e-${source}2${destination}-${pattern}`;
+    return closeShovel(name);
+  }
+
   function publish(exchangeName, routingKey, content, options) {
@@ -243,0 +270,0 @@ const exchange = getExchangeByName(exchangeName);

src/Shovel.js

 import {EventExchange} from './Exchange';
 
-export function Shovel(name, source, destination, cloneMessage) {
+export function Shovel(name, source, destination, options = {}) {
   const {broker: sourceBroker, exchange: sourceExchangeName, pattern, queue} = source;
   const {broker: destinationBroker, exchange: destinationExchangeName} = destination;
+  const {cloneMessage} = options;
 
@@ -17,3 +18,4 @@ const sourceExchange = sourceBroker.getExchange(sourceExchangeName);
 
-  const consumerTag = `smq.shoveltag-${name}`;
+  const sameBroker = sourceBroker === destinationBroker;
+  const consumerTag = source.consumerTag || `smq.shoveltag-${name}`;
   const routingKeyPattern = pattern || '#';
@@ -55,3 +57,5 @@ const events = EventExchange();
     const {content, properties} = messageHandler(message);
-    destinationExchange.publish(routingKey, content, {...properties, 'shovel-name': name});
+    const props = {...properties, 'source-exchange': sourceExchangeName};
+    if (!sameBroker) props['shovel-name'] = name;
+    destinationExchange.publish(routingKey, content, props);
     message.ack();
@@ -58,0 +62,0 @@ }

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