chain - npm Package Compare versions

Comparing version 0.1.2 to 0.1.3

chain-min.js

@@ -1,2 +0,1 @@
-/* Copyright (c) 2010 Chris O'Hara <[e-mail]>. MIT Licensed */
-(function(a){a=a||{};var b={},c,d,e=function(){};c=function(a,d,e){var f=a.halt=!1;a.error=function(a){throw a},a.next=function(c){c&&(f=!1);if(!a.halt&&d&&d.length){var e=d.shift(),g=e.shift();f=!0;try{b[g].apply(a,[e,e.length,g])}catch(h){a.error(h)}}return a};for(var g in b){if(typeof a[g]==="function")continue;(function(b){a[b]=function(){var e=Array.prototype.slice.call(arguments);e.unshift(b);if(!d)return c({},[e],b);a.then=a[b],d.push(e);return f?a:a.next()}})(g)}e&&(a.then=a[e]),a.call=function(b,c){c.unshift(b),d.unshift(c),a.next(!0)};return a.next()},d=a.addMethod=function(d){var e=Array.prototype.slice.call(arguments),f=e.pop();for(var g=0,h=e.length;g<h;g++)typeof e[g]==="string"&&(b[e[g]]=f);--h||(b["then"+d[0].toUpperCase()+d.substr(1)]=f),c(a)},d("chain",function(a){var b=this,c=function(){if(!b.halt){if(!a.length)return b.next(!0);try{null!=a.shift().call(b,c,b.error)&&c()}catch(d){b.error(d)}}};c()}),d("run",function(a,b){var c=this,d=function(){c.halt||(--b||c.next(!0))};for(var e=0,f=b;!c.halt&&e<f;e++)null!=a[e].call(c,d,c.error)&&d()}),d("onError",function(a,b){var c=this;this.error=function(d){c.halt=!0;for(var e=0;e<b;e++)a[e].call(c,d)},this.next(!0)})})(this)
+/* Copyright (c) 2010 Chris O'Hara <[e-mail]>. MIT Licensed */(function(a){a=a||{};var b={},c,d;c=function(a,d,e){var f=a.halt=!1;a.error=function(a){throw a},a.next=function(c){c&&(f=!1);if(!a.halt&&d&&d.length){var e=d.shift(),g=e.shift();f=!0;try{b[g].apply(a,[e,e.length,g])}catch(h){a.error(h)}}return a};for(var g in b){if(typeof a[g]==="function")continue;(function(e){a[e]=function(){var g=Array.prototype.slice.call(arguments);if(e==="onError"){if(d){b.onError.apply(a,[g,g.length]);return a}var h={};b.onError.apply(h,[g,g.length]);return c(h,null,"onError")}g.unshift(e);if(!d)return c({},[g],e);a.then=a[e],d.push(g);return f?a:a.next()}})(g)}e&&(a.then=a[e]),a.call=function(b,c){c.unshift(b),d.unshift(c),a.next(!0)};return a.next()},d=a.addMethod=function(d){var e=Array.prototype.slice.call(arguments),f=e.pop();for(var g=0,h=e.length;g<h;g++)typeof e[g]==="string"&&(b[e[g]]=f);--h||(b["then"+d.substr(0,1).toUpperCase()+d.substr(1)]=f),c(a)},d("chain",function(a){var b=this,c=function(){if(!b.halt){if(!a.length)return b.next(!0);try{null!=a.shift().call(b,c,b.error)&&c()}catch(d){b.error(d)}}};c()}),d("run",function(a,b){var c=this,d=function(){c.halt||--b||c.next(!0)},e=function(a){c.error(a)};for(var f=0,g=b;!c.halt&&f<g;f++)null!=a[f].call(c,d,e)&&d()}),d("defer",function(a){var b=this;setTimeout(function(){b.next(!0)},a.shift())}),d("onError",function(a,b){var c=this;this.error=function(d){c.halt=!0;for(var e=0;e<b;e++)a[e].call(c,d)}})})(this)

chain.js

 /* Copyright (c) 2010 Chris O'Hara <[e-mail]>. MIT Licensed */
+(function(exports) {
 
-(function(exports) {
-    
     exports = exports || {};
-    
-    var handlers = {}, createChain, add, nop = function(){};
-    
+
+    var handlers = {}, createChain, add;
+
     createChain = function (context, stack, lastMethod) {
-    
+
         var inHandler = context.halt = false;
-        
-        //The default error handler 
+
+        //The default error handler
         context.error = function (e) {
             throw e;
         }
-        
+
         //Run the next method in the chain
@@ -34,3 +33,3 @@ context.next = function (exit) {
         }
-        
+
         //Bind each method to the context
@@ -44,2 +43,12 @@ for (var alias in handlers) {
                     var args = Array.prototype.slice.call(arguments);
+                    if (alias === 'onError') {
+                        if (stack) {
+                            handlers.onError.apply(context, [args, args.length]);
+                            return context;
+                        } else {
+                            var new_context = {};
+                            handlers.onError.apply(new_context, [args, args.length]);
+                            return createChain(new_context, null, 'onError');
+                        }
+                    }
                     args.unshift(alias);
@@ -55,3 +64,3 @@ if (!stack) {
         }
-        
+
         //'then' is an alias for the last method that was called
@@ -61,3 +70,3 @@ if (lastMethod) {
         }
-        
+
         //Used to call run(), chain() or another existing method when defining a new method
@@ -70,6 +79,6 @@ //See load.js (https://github.com/chriso/load.js/blob/master/load.js) for an example
         }
-        
+
         return context.next();
     }
-    
+
     //Add a custom method/handler (see below)
@@ -87,7 +96,7 @@ add = exports.addMethod = function (method /*, alias1, alias2, ..., callback */) {
         if (!--len) {
-            handlers['then' + method[0].toUpperCase() + method.substr(1)] = handler;
+            handlers['then' + method.substr(0,1).toUpperCase() + method.substr(1)] = handler;
         }
         createChain(exports);
     }
-    
+
     //chain() - Run each function sequentially
@@ -111,3 +120,3 @@ add('chain', function (args) {
     });
-    
+
     //run() - Run each function in parallel and progress once all functions are complete
@@ -122,4 +131,7 @@ add('run', function (args, arg_len) {
         }
+        var error = function (e) {
+            self.error(e);
+        };
         for (var i = 0, len = arg_len; !self.halt && i < len; i++) {
-            if (null != args[i].call(self, chain, self.error)) {
+            if (null != args[i].call(self, chain, error)) {
                 chain();
@@ -130,2 +142,10 @@ }
 
+    //defer() - Defer execution of the next method
+    add('defer', function (args) {
+        var self = this;
+        setTimeout(function () {
+            self.next(true);
+        }, args.shift());
+    });
+
     //onError() - Attach an error handler
@@ -140,5 +160,4 @@ add('onError', function (args, arg_len) {
         }
-        this.next(true);
     });
-    
-}(this));
+
+}(this));

package.json

 { "name"          : "chain",
   "description"   : "A microframework for handling async JS",
-  "version"       : "0.1.2",
+  "version"       : "0.1.3",
   "homepage"      : "http://github.com/chriso/chain.js",
@@ -5,0 +5,0 @@ "keywords"      : ["async","asynchronous","events","parallel"],

test/chain.test.js

@@ -176,2 +176,16 @@ var chain = require('../chain'), assert = require('assert');
     
+    'test chain.defer()': function () {
+        var num = 0;
+        chain.defer(50).thenRun(function () {
+            num = 1;
+        });
+        
+        setTimeout(function() { 
+            assert.equal(0, num); 
+        }, 10);
+        
+        setTimeout(function() { 
+            assert.equal(1, num); 
+        }, 80);
+    },
 }

Fixed alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

17553

increased by47.24%

Lines of code

286

increased by12.16%

Number of lines in readme file

122

increased by12100%

Number of medium supply chain risk alerts

0

decreased by-100%

No dependency changes