propagate - npm Package Compare versions

Comparing version 0.3.1 to 0.4.0

LICENSE.md

index.js

		@@ -8,6 +8,7 @@ function propagate(events, source, dest) {

		// events should be an array
		if (events && ! Array.isArray(events)) events = [events];
		// events should be an array or object
		var eventsIsObject = typeof events === 'object'
		if (events && !eventsIsObject) events = [events];

		if (Array.isArray(events)) {
		if (eventsIsObject) {
		return explicitPropagate(events, source, dest);
		@@ -37,6 +38,17 @@ }
		function explicitPropagate(events, source, dest) {
		var eventsIn;
		var eventsOut;
		if (Array.isArray(events)) {
		eventsIn = events;
		eventsOut = events;
		} else {
		eventsIn = Object.keys(events);
		eventsOut = eventsIn.map(function (key) {
		return events[key]
		})
		}

		var listeners = events.map(function(event) {
		var listeners = eventsOut.map(function(event) {
		return function() {
		var args = Array.prototype.slice(arguments);
		var args = Array.prototype.slice.call(arguments);
		args.unshift(event);
		@@ -54,7 +66,7 @@ dest.emit.apply(dest, args);
		function register(listener, i) {
		source.on(events[i], listener);
		source.on(eventsIn[i], listener);
		}

		function unregister(listener, i) {
		source.removeListener(events[i], listener);
		source.removeListener(eventsIn[i], listener);
		}
		@@ -65,2 +77,2 @@
		}
		}
		}

package.json

		{
		"name": "propagate",
		"description": "Propagate events",
		"version": "0.3.1",
		"version": "0.4.0",
		"author" : "Pedro Teixeira <pedro.teixeira@gmail.com>",
		@@ -26,2 +26,2 @@ "contributors" : [
		"license": "MIT"
		}
		}

README.md

		@@ -47,4 +47,15 @@ # propagate

		## Propagate certain events as other events:

		```javascript
		var ee1 = new EventEmitter();
		var ee2 = new EventEmitter();
		var p = propagate({
		'event1': 'other-event1',
		'event2': 'other-event2'
		}, ee1, ee2);
		```

		# License

		MIT

tests/index.js

		@@ -88,2 +88,33 @@ var test = require('tap').test;
		ee1.emit('event-1');
		});

		test('is able to propagate and map certain events', function(t) {
		t.plan(2);
		var ee1 = new EventEmitter();
		var ee2 = new EventEmitter();
		// propagate only event-1 and event-2, leaving out
		var p = propagate({
		'event-1': 'other-event-1',
		'event-2': 'other-event-2'
		}, ee1, ee2);

		ee2.on('other-event-1', function() {
		t.ok(true, 'event 1 received');
		});

		ee2.on('other-event-2', function(a, b, c) {
		t.ok(true, 'event 2 received');
		});

		ee2.on('event-3', function(a, b, c) {
		t.ok(false, 'event 3 should not have been received');
		});

		ee1.emit('event-1');
		ee1.emit('event-2');
		ee1.emit('event-3');

		p.end();

		ee1.emit('event-1');
		});

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