kefir - npm Package Compare versions

Comparing version 1.1.0 to 1.2.0

changelog.md

@@ -0,5 +1,9 @@
+## next
+
+ - `Kefir.sampledBy` is deprecated in favor of 3 arity `Kefir.combine`
+
 ## 1.1.0
 
  - The `Bus` and `Pool` classes are exposed as `Kefir.Bus` and `Kefir.Pool`
- - A bug in `.merge` and `.zip` fixed which may cause them to not unsubscribe from their sources in very rare cases
+ - A bug in `.merge` and `.zip` (which may cause them to not unsubscribe from their sources in very rare cases) fixed
  - New method `.emitEvent` in Emitter, Emitter Object, and Bus
@@ -6,0 +10,0 @@ - New method `Kefir.repeat`

dist/kefir.js

@@ -1,2 +0,2 @@
-/*! Kefir.js v1.1.0
+/*! Kefir.js v1.2.0
  *  https://github.com/pozadi/kefir
@@ -49,2 +49,12 @@ */
 
+function circleShift(arr, distance) {
+  var length = arr.length
+    , result = new Array(length)
+    , i;
+  for (i = 0; i < length; i++) {
+    result[(i + distance) % length] = arr[i];
+  }
+  return result;
+}
+
 function find(arr, value) {
@@ -251,2 +261,6 @@ var length = arr.length
 
+function id2(_, x) {
+  return x;
+}
+
 function strictEqual(a, b) {
@@ -264,2 +278,6 @@ return a === b;
 
+var log = ((typeof console !== undefined) && isFn(console.log)) ?
+  function(m) {console.log(m)} :
+  noop;
+
 function isFn(fn) {
@@ -521,35 +539,21 @@ return typeof fn === 'function';
 
-// Subscribers
+// Dispatcher
 
-function Subscribers() {
-  this._items = [];
-}
-
-extend(Subscribers, {
-  callOne: function(fnData, event) {
-    if (fnData.type === ANY) {
-      fnData.fn(event);
-    } else if (fnData.type === event.type) {
-      if (fnData.type === VALUE || fnData.type === ERROR) {
-        fnData.fn(event.value);
-      } else {
-        fnData.fn();
-      }
+function callSubscriber(sType, sFn, event) {
+  if (sType === ANY) {
+    sFn(event);
+  } else if (sType === event.type) {
+    if (sType === VALUE || sType === ERROR) {
+      sFn(event.value);
+    } else {
+      sFn();
     }
-  },
-  callOnce: function(type, fn, event) {
-    if (type === ANY) {
-      fn(event);
-    } else if (type === event.type) {
-      if (type === VALUE || type === ERROR) {
-        fn(event.value);
-      } else {
-        fn();
-      }
-    }
   }
-});
+}
 
+function Dispatcher() {
+  this._items = [];
+}
 
-extend(Subscribers.prototype, {
+extend(Dispatcher.prototype, {
   add: function(type, fn, _key) {
@@ -561,2 +565,3 @@ this._items = concat(this._items, [{
     }]);
+    return this._items.length;
   },
@@ -568,11 +573,9 @@ remove: function(type, fn, _key) {
     this._items = removeByPred(this._items, pred);
+    return this._items.length;
   },
-  callAll: function(event) {
+  dispatch: function(event) {
     var items = this._items;
     for (var i = 0; i < items.length; i++) {
-      Subscribers.callOne(items[i], event);
+      callSubscriber(items[i].type, items[i].fn, event);
     }
-  },
-  isEmpty: function() {
-    return this._items.length === 0;
   }
@@ -585,2 +588,5 @@ });
 
+
+
+
 // Events
@@ -601,3 +607,3 @@
 function Observable() {
-  this._subscribers = new Subscribers();
+  this._dispatcher = new Dispatcher();
   this._active = false;
@@ -629,3 +635,3 @@ this._alive = true;
     this._alive = false;
-    this._subscribers = null;
+    this._dispatcher = null;
   },
@@ -635,3 +641,3 @@
     if (this._alive) {
-      this._subscribers.callAll(Event(type, x, isCurrent));
+      this._dispatcher.dispatch(Event(type, x, isCurrent));
       if (type === END) {  this._clear()  }
@@ -643,6 +649,6 @@ }
     if (this._alive) {
-      this._subscribers.add(type, fn, _key);
+      this._dispatcher.add(type, fn, _key);
       this._setActive(true);
     } else {
-      Subscribers.callOnce(type, fn, CURRENT_END);
+      callSubscriber(type, fn, CURRENT_END);
     }
@@ -654,4 +660,4 @@ return this;
     if (this._alive) {
-      this._subscribers.remove(type, fn, _key);
-      if (this._subscribers.isEmpty()) {
+      var count = this._dispatcher.remove(type, fn, _key);
+      if (count === 0) {
         this._setActive(false);
@@ -722,3 +728,3 @@ }
       if (!isCurrent) {
-        this._subscribers.callAll(Event(type, x));
+        this._dispatcher.dispatch(Event(type, x));
       }
@@ -733,13 +739,13 @@ if (type === VALUE) {  this._current = x  }
     if (this._alive) {
-      this._subscribers.add(type, fn, _key);
+      this._dispatcher.add(type, fn, _key);
       this._setActive(true);
     }
     if (this._current !== NOTHING) {
-      Subscribers.callOnce(type, fn, Event(VALUE, this._current, true));
+      callSubscriber(type, fn, Event(VALUE, this._current, true));
     }
     if (this._currentError !== NOTHING) {
-      Subscribers.callOnce(type, fn, Event(ERROR, this._currentError, true));
+      callSubscriber(type, fn, Event(ERROR, this._currentError, true));
     }
     if (!this._alive) {
-      Subscribers.callOnce(type, fn, CURRENT_END);
+      callSubscriber(type, fn, CURRENT_END);
     }
@@ -1364,5 +1370,5 @@ return this;
 
-// .sampledBy()
+// .combine()
 
-function SampledBy(passive, active, combinator) {
+function Combine(active, passive, combinator) {
   Stream.call(this);
@@ -1372,4 +1378,4 @@ if (active.length === 0) {
   } else {
-    this._passiveCount = passive.length;
-    this._sources = concat(passive, active);
+    this._activeCount = active.length;
+    this._sources = concat(active, passive);
     this._combinator = combinator ? spread(combinator, this._sources.length) : id;
@@ -1386,5 +1392,5 @@ this._aliveCount = 0;
 
-inherit(SampledBy, Stream, {
+inherit(Combine, Stream, {
 
-  _name: 'sampledBy',
+  _name: 'combine',
 
@@ -1394,3 +1400,3 @@ _onActivation: function() {
         i;
-    this._aliveCount = length - this._passiveCount;
+    this._aliveCount = this._activeCount;
     this._activating = true;
@@ -1434,3 +1440,3 @@ for (i = 0; i < length; i++) {
       this._currents[i] = event.value;
-      if (i >= this._passiveCount) {
+      if (i < this._activeCount) {
         if (this._activating) {
@@ -1447,3 +1453,3 @@ this._emitAfterActivation = true;
     if (event.type === END) {
-      if (i >= this._passiveCount) {
+      if (i < this._activeCount) {
         this._aliveCount--;
@@ -1470,8 +1476,12 @@ if (this._aliveCount === 0) {
 
-Kefir.sampledBy = function(passive, active, combinator) {
-  return new SampledBy(passive, active, combinator);
+Kefir.combine = function(active, passive, combinator) {
+  if (isFn(passive)) {
+    combinator = passive;
+    passive = null;
+  }
+  return new Combine(active, passive || [], combinator);
 }
 
-Observable.prototype.sampledBy = function(other, combinator) {
-  return Kefir.sampledBy([this], [other], combinator || id);
+Observable.prototype.combine = function(other, combinator) {
+  return Kefir.combine([this, other], combinator);
 }
@@ -1482,10 +1492,38 @@
 
-// .combine()
 
-Kefir.combine = function(sources, combinator) {
-  return new SampledBy([], sources, combinator).setName('combine');
+
+// .sampledBy()
+
+Kefir.DISABLE_SAMPLEDBY_WARNING = false;
+
+Kefir.sampledBy = function(passive, active, combinator) {
+
+  if (!Kefir.DISABLE_SAMPLEDBY_WARNING) {
+    log('Kefir.sampledBy() is deprecated, and to be removed in v3.0.0.\n' +
+      'Use Kefir.combine(active, passive, combinator) instead, ' +
+      'but note than active/passive order is different.\n' +
+      'To disable this warning set Kefir.DISABLE_SAMPLEDBY_WARNING to true.');
+  }
+
+  // we need to flip `passive` and `active` in combinator function
+  var _combinator = combinator;
+  if (passive.length > 0) {
+    var passiveLength = passive.length;
+    _combinator = function() {
+      var args = circleShift(arguments, passiveLength);
+      return combinator ? apply(combinator, null, args) : args;
+    }
+  }
+
+  return new Combine(active, passive, _combinator).setName('sampledBy');
 }
 
-Observable.prototype.combine = function(other, combinator) {
-  return Kefir.combine([this, other], combinator);
+Observable.prototype.sampledBy = function(other, combinator) {
+  var _combinator;
+  if (combinator) {
+    _combinator = function(active, passive) {
+      return combinator(passive, active);
+    }
+  }
+  return new Combine([other], [this], _combinator || id2).setName(this, 'sampledBy');
 }
@@ -1492,0 +1530,0 @@

dist/kefir.min.js

@@ -1,7 +0,7 @@
-/*! Kefir.js v1.1.0
+/*! Kefir.js v1.2.0
  *  https://github.com/pozadi/kefir
  */
 
-!function(a){"use strict";function b(){for(var a=0;a<arguments.length;a++)if(!arguments[a])return arguments[a];return arguments[a-1]}function c(){for(var a=0;a<arguments.length;a++)if(arguments[a])return arguments[a];return arguments[a-1]}function d(a){return!a}function e(a,b){var c,d,e,f;if(0===a.length)return b;if(0===b.length)return a;for(f=0,c=new Array(a.length+b.length),d=a.length,e=0;d>e;e++,f++)c[f]=a[e];for(d=b.length,e=0;d>e;e++,f++)c[f]=b[e];return c}function f(a,b){var c,d=a.length;for(c=0;d>c;c++)if(a[c]===b)return c;return-1}function g(a,b){var c,d=a.length;for(c=0;d>c;c++)if(b(a[c]))return c;return-1}function h(a){var b,c=a.length,d=new Array(c);for(b=0;c>b;b++)d[b]=a[b];return d}function i(a,b){var c,d,e,f=a.length;if(b>=0&&f>b){if(1===f)return[];for(c=new Array(f-1),d=0,e=0;f>d;d++)d!==b&&(c[e]=a[d],e++);return c}return a}function j(a,b){return i(a,g(a,b))}function k(a,b){var c,d=a.length,e=new Array(d);for(c=0;d>c;c++)e[c]=b(a[c]);return e}function l(a,b){var 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+}}),H("takeWhileBy",{_handlePrimaryValue:function(a,b){this._lastSecondary!==fb&&this._send(hb,a,b)},_handleSecondaryValue:function(a,b){this._lastSecondary=a,this._lastSecondary||this._send(gb,null,b)},_handleSecondaryEnd:function(a,b){this._lastSecondary===fb&&this._send(gb,null,b)}}),H("skipWhileBy",{_init:function(){this._hasFalseyFromSecondary=!1},_handlePrimaryValue:function(a,b){this._hasFalseyFromSecondary&&this._send(hb,a,b)},_handleSecondaryValue:function(a){this._hasFalseyFromSecondary=this._hasFalseyFromSecondary||!a},_handleSecondaryEnd:function(a,b){this._hasFalseyFromSecondary||this._send(gb,null,b)}}),"function"==typeof define&&define.amd?(define([],function(){return eb}),a.Kefir=eb):"object"==typeof module&&"object"==typeof exports?(module.exports=eb,eb.Kefir=eb):a.Kefir=eb}(this);
 //# sourceMappingURL=kefir.min.js.map

package.json

 {
   "name": "kefir",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Reactive Programming library for JavaScript inspired by Bacon.js and RxJS with focus on high performance and low memory usage",
@@ -32,15 +32,15 @@ "main": "dist/kefir.js",
   "devDependencies": {
-    "baconjs": "0.7.48",
+    "baconjs": "0.7.52",
     "benchmark": "1.0.0",
-    "coffee-script": "1.9.0",
+    "coffee-script": "1.9.1",
     "coffeeify": "1.0.0",
     "grunt": "0.4.5",
     "grunt-bower-task": "0.4.0",
-    "grunt-browserify": "3.3.0",
+    "grunt-browserify": "3.5.0",
     "grunt-cli": "0.1.13",
     "grunt-contrib-clean": "0.6.0",
-    "grunt-contrib-concat": "0.5.0",
+    "grunt-contrib-concat": "0.5.1",
     "grunt-contrib-jade": "0.14.1",
     "grunt-contrib-jshint": "0.11.0",
-    "grunt-contrib-uglify": "0.7.0",
+    "grunt-contrib-uglify": "0.8.0",
     "grunt-contrib-watch": "0.6.1",
@@ -51,6 +51,7 @@ "grunt-jasmine-node": "git+https://[e-mail]/pozadi/grunt-jasmine-node.git",
     "load-grunt-tasks": "3.1.0",
-    "rx": "2.3.25",
+    "rx": "2.4.1",
     "semver": "2.3.0",
     "shelljs": "0.3.0",
     "sinon": "1.12.2",
+    "time-grunt": "1.1.0",
     "transducers-js": "0.4.135",
@@ -57,0 +58,0 @@ "transducers.js": "0.2.3"

No alert changes

Improved metrics

Total package byte prevSize

151605

increased by8.73%

Lines of code

2298

increased by1.28%

Worsened metrics

Dev dependency count

25

increased by4.17%

No dependency changes