kefir - npm Package Compare versions

Comparing version 0.4.0 to 0.4.1

changelog.md

@@ -0,1 +1,10 @@
+## 0.4.1
+
+ - New method `.bufferWhile`
+ - New method `.bufferBy`
+ - New method `.bufferWhileBy`
+ - New method `.withDefault`
+ - New method `.zip`
+
+
 ## 0.4.0
@@ -6,4 +15,4 @@
  - The default `fn` in `obs.sampledBy(other, fn)` changed from `function(a, b) {return [a, b]}` to `function(a, b) {return a}`. The default `fn` for `Kefir.sampledBy` hasn't changed.
- - New method `.mapEnd(fn)`
- - New method `.skipEnd()`
+ - New method `.mapEnd`
+ - New method `.skipEnd`
  - The `fn` argument in `.filter`, `.takeWhile`, and `.skipWhile` is now optional
@@ -10,0 +19,0 @@

dist/addons/kefir-jquery.js

@@ -1,2 +0,2 @@
-/*! An addon for Kefir.js v0.4.0
+/*! An addon for Kefir.js v0.4.1
  *  https://github.com/pozadi/kefir
@@ -3,0 +3,0 @@ */

dist/addons/kefir-jquery.min.js

@@ -1,2 +0,2 @@
-/*! An addon for Kefir.js v0.4.0
+/*! An addon for Kefir.js v0.4.1
  *  https://github.com/pozadi/kefir
@@ -3,0 +3,0 @@ */

dist/kefir.js

@@ -1,2 +0,2 @@
-/*! Kefir.js v0.4.0
+/*! Kefir.js v0.4.1
  *  https://github.com/pozadi/kefir
@@ -352,5 +352,2 @@ */
 
-    _onActivationHook: function() {},
-    _onDeactivationHook: function() {},
-
     _handleAny: function(event) {
@@ -364,7 +361,5 @@ switch (event.type) {
     _onActivation: function() {
-      this._onActivationHook();
       this._source.onAny(this._$handleAny);
     },
     _onDeactivation: function() {
-      this._onDeactivationHook();
       this._source.offAny(this._$handleAny);
@@ -415,3 +410,3 @@ }
   mixin = extend({
-    _init: function() {},
+    _init: function(args) {},
     _free: function() {},
@@ -470,3 +465,3 @@
   function buildClass(BaseClass) {
-    function AnonymousObservable(primary, secondary) {
+    function AnonymousObservable(primary, secondary, args) {
       BaseClass.call(this);
@@ -480,3 +475,3 @@ this._primary = primary;
       this._$handlePrimaryAny = function(event) {  $._handlePrimaryAny(event)  }
-      this._init();
+      this._init(args);
     }
@@ -504,7 +499,7 @@
   Stream.prototype[name] = function(secondary) {
-    return new AnonymousStream(this, secondary);
+    return new AnonymousStream(this, secondary, rest(arguments, 1, []));
   }
 
   Property.prototype[name] = function(secondary) {
-    return new AnonymousProperty(this, secondary);
+    return new AnonymousProperty(this, secondary, rest(arguments, 1, []));
   }
@@ -550,3 +545,3 @@
       fn: fn,
-      key: _key || NOTHING
+      key: _key || {}
     }]);
@@ -742,3 +737,3 @@ },
     }
-  }, '__logKey__' + name);
+  }, ['__logKey__', this, name]);
   return this;
@@ -749,3 +744,3 @@ }
   name = name || this.toString();
-  this.offAny(null, '__logKey__' + name);
+  this.offAny(null, ['__logKey__', this, name]);
   return this;
@@ -1207,2 +1202,107 @@ }
 
+
+// .zip()
+
+function Zip(sources, combinator) {
+  Stream.call(this);
+  if (sources.length === 0) {
+    this._send(END);
+  } else {
+    this._buffers = map(sources, function(source) {
+      return isArray(source) ? cloneArray(source) : [];
+    });
+    this._sources = map(sources, function(source) {
+      return isArray(source) ? Kefir.never() : source;
+    });
+    this._combinator = combinator ? spread(combinator, this._sources.length) : id;
+    this._aliveCount = 0;
+  }
+}
+
+function bind_Zip_handleAny($, i) {
+  return function(event) {  $._handleAny(i, event)  };
+}
+
+inherit(Zip, Stream, {
+
+  _name: 'zip',
+
+  _onActivation: function() {
+    var i, length = this._sources.length;
+    this._drainArrays();
+    this._aliveCount = length;
+    for (i = 0; i < length; i++) {
+      this._sources[i].onAny(bind_Zip_handleAny(this, i), [this, i]);
+    }
+  },
+
+  _onDeactivation: function() {
+    for (var i = 0; i < this._sources.length; i++) {
+      this._sources[i].offAny(null, [this, i]);
+    }
+  },
+
+  _emit: function(isCurrent) {
+    var values = new Array(this._buffers.length);
+    for (var i = 0; i < this._buffers.length; i++) {
+      values[i] = this._buffers[i].shift();
+    }
+    this._send(VALUE, this._combinator(values), isCurrent);
+  },
+
+  _isFull: function() {
+    for (var i = 0; i < this._buffers.length; i++) {
+      if (this._buffers[i].length === 0) {
+        return false;
+      }
+    }
+    return true;
+  },
+
+  _emitIfFull: function(isCurrent) {
+    if (this._isFull()) {
+      this._emit(isCurrent);
+    }
+  },
+
+  _drainArrays: function() {
+    while (this._isFull()) {
+      this._emit(true);
+    }
+  },
+
+  _handleAny: function(i, event) {
+    if (event.type === VALUE) {
+      this._buffers[i].push(event.value);
+      this._emitIfFull(event.current);
+    } else {
+      this._aliveCount--;
+      if (this._aliveCount === 0) {
+        this._send(END, null, event.current);
+      }
+    }
+  },
+
+  _clear: function() {
+    Stream.prototype._clear.call(this);
+    this._sources = null;
+    this._buffers = null;
+    this._combinator = null;
+  }
+
+});
+
+Kefir.zip = function(sources, combinator) {
+  return new Zip(sources, combinator);
+}
+
+Observable.prototype.zip = function(other, combinator) {
+  return new Zip([this, other], combinator);
+}
+
+
+
+
+
+
 // .sampledBy()
@@ -1317,5 +1417,3 @@
 Kefir.combine = function(sources, combinator) {
-  var result = new SampledBy([], sources, combinator);
-  result._name = 'combine';
-  return result;
+  return new SampledBy([], sources, combinator).setName('combine');
 }
@@ -1349,2 +1447,13 @@
 
+// .withDefault()
+
+withOneSource('withDefault', {
+  _init: function(args) {
+    this._send(VALUE, args[0], true);
+  }
+}, {propertyMethod: produceProperty, streamMethod: produceProperty});
+
+
+
+
 // .changes()
@@ -1696,11 +1805,11 @@
     this._min = args[1] || 0;
-    this._cache = [];
+    this._buff = [];
   },
   _free: function() {
-    this._cache = null;
+    this._buff = null;
   },
   _handleValue: function(x, isCurrent) {
-    this._cache = slide(this._cache, x, this._max);
-    if (this._cache.length >= this._min) {
-      this._send(VALUE, this._cache, isCurrent);
+    this._buff = slide(this._buff, x, this._max);
+    if (this._buff.length >= this._min) {
+      this._send(VALUE, this._buff, isCurrent);
     }
@@ -1713,3 +1822,37 @@ }
 
+// .bufferWhile([predicate], [options])
 
+withOneSource('bufferWhile', {
+  _init: function(args) {
+    this._fn = args[0] || id;
+    this._flushOnEnd = get(args[1], 'flushOnEnd', true);
+    this._buff = [];
+  },
+  _free: function() {
+    this._buff = null;
+  },
+  _flush: function(isCurrent) {
+    if (this._buff !== null && this._buff.length !== 0) {
+      this._send(VALUE, this._buff, isCurrent);
+      this._buff = [];
+    }
+  },
+  _handleValue: function(x, isCurrent) {
+    this._buff.push(x);
+    if (!this._fn(x)) {
+      this._flush(isCurrent);
+    }
+  },
+  _handleEnd: function(x, isCurrent) {
+    if (this._flushOnEnd) {
+      this._flush(isCurrent);
+    }
+    this._send(END, null, isCurrent);
+  }
+});
+
+
+
+
+
 // .debounce(wait, {immediate})
@@ -1948,2 +2091,3 @@
 
+Kefir.Emitter = Emitter;
 
@@ -1955,2 +2099,3 @@
 
+
 // Kefir.never()
@@ -2153,2 +2298,76 @@
 
+var withTwoSourcesAndBufferMixin = {
+  _init: function(args) {
+    this._buff = [];
+    this._flushOnEnd = get(args[0], 'flushOnEnd', true);
+  },
+  _free: function() {
+    this._buff = null;
+  },
+  _flush: function(isCurrent) {
+    if (this._buff !== null && this._buff.length !== 0) {
+      this._send(VALUE, this._buff, isCurrent);
+      this._buff = [];
+    }
+  },
+
+  _handlePrimaryEnd: function(__, isCurrent) {
+    if (this._flushOnEnd) {
+      this._flush(isCurrent);
+    }
+    this._send(END, null, isCurrent);
+  }
+};
+
+
+
+withTwoSources('bufferBy', extend({
+
+  _onActivation: function() {
+    this._primary.onAny(this._$handlePrimaryAny);
+    if (this._alive && this._secondary !== null) {
+      this._secondary.onAny(this._$handleSecondaryAny);
+    }
+  },
+
+  _handlePrimaryValue: function(x, isCurrent) {
+    this._buff.push(x);
+  },
+
+  _handleSecondaryValue: function(x, isCurrent) {
+    this._flush(isCurrent);
+  },
+
+  _handleSecondaryEnd: function(x, isCurrent) {
+    if (!this._flushOnEnd) {
+      this._send(END, null, isCurrent);
+    }
+  }
+
+}, withTwoSourcesAndBufferMixin));
+
+
+
+
+withTwoSources('bufferWhileBy', extend({
+
+  _handlePrimaryValue: function(x, isCurrent) {
+    this._buff.push(x);
+    if (this._lastSecondary !== NOTHING && !this._lastSecondary) {
+      this._flush(isCurrent);
+    }
+  },
+
+  _handleSecondaryEnd: function(x, isCurrent) {
+    if (!this._flushOnEnd && (this._lastSecondary === NOTHING || this._lastSecondary)) {
+      this._send(END, null, isCurrent);
+    }
+  }
+
+}, withTwoSourcesAndBufferMixin));
+
+
+
+
+
 withTwoSources('filterBy', {
@@ -2155,0 +2374,0 @@

dist/kefir.min.js

@@ -1,6 +0,6 @@
-/*! Kefir.js v0.4.0
+/*! Kefir.js v0.4.1
  *  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;for(c=0;d>c;c++)b(a[c])}function l(a,b){var 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package.json

 {
   "name": "kefir",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "description": "Reactive Programming library for JavaScript inspired by Bacon.js and RxJS with focus on high performance and low memory usage",
@@ -5,0 +5,0 @@ "main": "dist/kefir.js",

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