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rsvp.js
Commit a4fa1343 authored by Stefan Penner's avatar Stefan Penner
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Merge pull request #1 from teddyzeenny/recursive-self-resolution 

Fix infinite recursion with deep self fulfilling promises
parents 00d5aaed deeaba9a
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Showing with 6881 additions and 9482 deletions
browser/rsvp.js
View file @ a4fa1343
...@@ -31,47 +31,32 @@ var define, requireModule; ...@@ -31,47 +31,32 @@ var define, requireModule;
}; };
})(); })();
define("rsvp/all", define("rsvp",
["rsvp/defer","exports"], ["rsvp/events","rsvp/promise","rsvp/node","rsvp/all","rsvp/hash","rsvp/defer","rsvp/config","rsvp/resolve","exports"],
function(__dependency1__, __exports__) { function(__dependency1__, __dependency2__, __dependency3__, __dependency4__, __dependency5__, __dependency6__, __dependency7__, __dependency8__, __exports__) {
"use strict"; "use strict";
var defer = __dependency1__.defer; var EventTarget = __dependency1__.EventTarget;
var Promise = __dependency2__.Promise;
function all(promises) { var denodeify = __dependency3__.denodeify;
var results = [], deferred = defer(), remaining = promises.length; var all = __dependency4__.all;
var hash = __dependency5__.hash;
if (remaining === 0) { var defer = __dependency6__.defer;
deferred.resolve([]); var config = __dependency7__.config;
} var resolve = __dependency8__.resolve;
var resolver = function(index) {
return function(value) {
resolveAll(index, value);
};
};
var resolveAll = function(index, value) {
results[index] = value;
if (--remaining === 0) {
deferred.resolve(results);
}
};
var rejectAll = function(error) {
deferred.reject(error);
};
for (var i = 0; i < promises.length; i++) { function configure(name, value) {
if (promises[i] && typeof promises[i].then === 'function') { config[name] = value;
promises[i].then(resolver(i), rejectAll);
} else {
resolveAll(i, promises[i]);
}
}
return deferred.promise;
} }
__exports__.Promise = Promise;
__exports__.EventTarget = EventTarget;
__exports__.all = all; __exports__.all = all;
__exports__.hash = hash;
__exports__.defer = defer;
__exports__.denodeify = denodeify;
__exports__.configure = configure;
__exports__.resolve = resolve;
}); });
define("rsvp/async", define("rsvp/async",
...@@ -128,141 +113,6 @@ define("rsvp/async", ...@@ -128,141 +113,6 @@ define("rsvp/async",
__exports__.async = async; __exports__.async = async;
}); });
define("rsvp/config",
["rsvp/async","exports"],
function(__dependency1__, __exports__) {
"use strict";
var async = __dependency1__.async;
var config = {};
config.async = async;
__exports__.config = config;
});
define("rsvp/defer",
["rsvp/promise","exports"],
function(__dependency1__, __exports__) {
"use strict";
var Promise = __dependency1__.Promise;
function defer() {
var deferred = {};
var promise = new Promise(function(resolve, reject) {
deferred.resolve = resolve;
deferred.reject = reject;
});
deferred.promise = promise;
return deferred;
}
__exports__.defer = defer;
});
define("rsvp/events",
["exports"],
function(__exports__) {
"use strict";
var Event = function(type, options) {
this.type = type;
for (var option in options) {
if (!options.hasOwnProperty(option)) { continue; }
this[option] = options[option];
}
};
var indexOf = function(callbacks, callback) {
for (var i=0, l=callbacks.length; i<l; i++) {
if (callbacks[i][0] === callback) { return i; }
}
return -1;
};
var callbacksFor = function(object) {
var callbacks = object._promiseCallbacks;
if (!callbacks) {
callbacks = object._promiseCallbacks = {};
}
return callbacks;
};
var EventTarget = {
mixin: function(object) {
object.on = this.on;
object.off = this.off;
object.trigger = this.trigger;
return object;
},
on: function(eventNames, callback, binding) {
var allCallbacks = callbacksFor(this), callbacks, eventName;
eventNames = eventNames.split(/\s+/);
binding = binding || this;
while (eventName = eventNames.shift()) {
callbacks = allCallbacks[eventName];
if (!callbacks) {
callbacks = allCallbacks[eventName] = [];
}
if (indexOf(callbacks, callback) === -1) {
callbacks.push([callback, binding]);
}
}
},
off: function(eventNames, callback) {
var allCallbacks = callbacksFor(this), callbacks, eventName, index;
eventNames = eventNames.split(/\s+/);
while (eventName = eventNames.shift()) {
if (!callback) {
allCallbacks[eventName] = [];
continue;
}
callbacks = allCallbacks[eventName];
index = indexOf(callbacks, callback);
if (index !== -1) { callbacks.splice(index, 1); }
}
},
trigger: function(eventName, options) {
var allCallbacks = callbacksFor(this),
callbacks, callbackTuple, callback, binding, event;
if (callbacks = allCallbacks[eventName]) {
// Don't cache the callbacks.length since it may grow
for (var i=0; i<callbacks.length; i++) {
callbackTuple = callbacks[i];
callback = callbackTuple[0];
binding = callbackTuple[1];
if (typeof options !== 'object') {
options = { detail: options };
}
event = new Event(eventName, options);
callback.call(binding, event);
}
}
}
};
__exports__.EventTarget = EventTarget;
});
define("rsvp/hash", define("rsvp/hash",
["rsvp/defer","exports"], ["rsvp/defer","exports"],
function(__dependency1__, __exports__) { function(__dependency1__, __exports__) {
...@@ -362,6 +212,123 @@ define("rsvp/node", ...@@ -362,6 +212,123 @@ define("rsvp/node",
__exports__.denodeify = denodeify; __exports__.denodeify = denodeify;
}); });
define("rsvp/defer",
["rsvp/promise","exports"],
function(__dependency1__, __exports__) {
"use strict";
var Promise = __dependency1__.Promise;
function defer() {
var deferred = {};
var promise = new Promise(function(resolve, reject) {
deferred.resolve = resolve;
deferred.reject = reject;
});
deferred.promise = promise;
return deferred;
}
__exports__.defer = defer;
});
define("rsvp/config",
["rsvp/async","exports"],
function(__dependency1__, __exports__) {
"use strict";
var async = __dependency1__.async;
var config = {};
config.async = async;
__exports__.config = config;
});
define("rsvp/all",
["rsvp/defer","exports"],
function(__dependency1__, __exports__) {
"use strict";
var defer = __dependency1__.defer;
function all(promises) {
var results = [], deferred = defer(), remaining = promises.length;
if (remaining === 0) {
deferred.resolve([]);
}
var resolver = function(index) {
return function(value) {
resolveAll(index, value);
};
};
var resolveAll = function(index, value) {
results[index] = value;
if (--remaining === 0) {
deferred.resolve(results);
}
};
var rejectAll = function(error) {
deferred.reject(error);
};
for (var i = 0; i < promises.length; i++) {
if (promises[i] && typeof promises[i].then === 'function') {
promises[i].then(resolver(i), rejectAll);
} else {
resolveAll(i, promises[i]);
}
}
return deferred.promise;
}
__exports__.all = all;
});
define("rsvp/resolve",
["rsvp/promise","exports"],
function(__dependency1__, __exports__) {
"use strict";
var Promise = __dependency1__.Promise;
function objectOrFunction(x) {
return typeof x === "function" || (typeof x === "object" && x !== null);
}
function resolve(thenable){
var promise = new Promise(function(resolve, reject){
var then;
try {
if ( objectOrFunction(thenable) ) {
then = thenable.then;
if (typeof then === "function") {
then.call(thenable, resolve, reject);
} else {
resolve(thenable);
}
} else {
resolve(thenable);
}
} catch(error) {
reject(error);
}
});
return promise;
}
__exports__.resolve = resolve;
});
define("rsvp/promise", define("rsvp/promise",
["rsvp/config","rsvp/events","exports"], ["rsvp/config","rsvp/events","exports"],
function(__dependency1__, __dependency2__, __exports__) { function(__dependency1__, __dependency2__, __exports__) {
...@@ -483,7 +450,11 @@ define("rsvp/promise", ...@@ -483,7 +450,11 @@ define("rsvp/promise",
fulfill(promise, value); fulfill(promise, value);
} else if (objectOrFunction(value) && isFunction(value.then)) { } else if (objectOrFunction(value) && isFunction(value.then)) {
value.then(function(val) { value.then(function(val) {
resolve(promise, val); if (value !== val) {
resolve(promise, val);
} else {
fulfill(promise, val);
}
}, function(val) { }, function(val) {
reject(promise, val); reject(promise, val);
}); });
...@@ -512,73 +483,106 @@ define("rsvp/promise", ...@@ -512,73 +483,106 @@ define("rsvp/promise",
__exports__.Promise = Promise; __exports__.Promise = Promise;
}); });
define("rsvp/resolve", define("rsvp/events",
["rsvp/promise","exports"], ["exports"],
function(__dependency1__, __exports__) { function(__exports__) {
"use strict"; "use strict";
var Promise = __dependency1__.Promise; var Event = function(type, options) {
this.type = type;
for (var option in options) {
if (!options.hasOwnProperty(option)) { continue; }
function objectOrFunction(x) { this[option] = options[option];
return typeof x === "function" || (typeof x === "object" && x !== null); }
} };
function resolve(thenable){ var indexOf = function(callbacks, callback) {
var promise = new Promise(function(resolve, reject){ for (var i=0, l=callbacks.length; i<l; i++) {
var then; if (callbacks[i][0] === callback) { return i; }
}
try { return -1;
if ( objectOrFunction(thenable) ) { };
then = thenable.then;
if (typeof then === "function") { var callbacksFor = function(object) {
then.call(thenable, resolve, reject); var callbacks = object._promiseCallbacks;
} else {
resolve(thenable);
}
} else { if (!callbacks) {
resolve(thenable); callbacks = object._promiseCallbacks = {};
}
return callbacks;
};
var EventTarget = {
mixin: function(object) {
object.on = this.on;
object.off = this.off;
object.trigger = this.trigger;
return object;
},
on: function(eventNames, callback, binding) {
var allCallbacks = callbacksFor(this), callbacks, eventName;
eventNames = eventNames.split(/\s+/);
binding = binding || this;
while (eventName = eventNames.shift()) {
callbacks = allCallbacks[eventName];
if (!callbacks) {
callbacks = allCallbacks[eventName] = [];
} }
} catch(error) { if (indexOf(callbacks, callback) === -1) {
reject(error); callbacks.push([callback, binding]);
}
} }
}); },
return promise; off: function(eventNames, callback) {
} var allCallbacks = callbacksFor(this), callbacks, eventName, index;
eventNames = eventNames.split(/\s+/);
while (eventName = eventNames.shift()) {
if (!callback) {
allCallbacks[eventName] = [];
continue;
}
callbacks = allCallbacks[eventName];
__exports__.resolve = resolve; index = indexOf(callbacks, callback);
});
define("rsvp", if (index !== -1) { callbacks.splice(index, 1); }
["rsvp/events","rsvp/promise","rsvp/node","rsvp/all","rsvp/hash","rsvp/defer","rsvp/config","rsvp/resolve","exports"], }
function(__dependency1__, __dependency2__, __dependency3__, __dependency4__, __dependency5__, __dependency6__, __dependency7__, __dependency8__, __exports__) { },
"use strict";
var EventTarget = __dependency1__.EventTarget;
var Promise = __dependency2__.Promise;
var denodeify = __dependency3__.denodeify;
var all = __dependency4__.all;
var hash = __dependency5__.hash;
var defer = __dependency6__.defer;
var config = __dependency7__.config;
var resolve = __dependency8__.resolve;
function configure(name, value) { trigger: function(eventName, options) {
config[name] = value; var allCallbacks = callbacksFor(this),
} callbacks, callbackTuple, callback, binding, event;
if (callbacks = allCallbacks[eventName]) {
// Don't cache the callbacks.length since it may grow
for (var i=0; i<callbacks.length; i++) {
callbackTuple = callbacks[i];
callback = callbackTuple[0];
binding = callbackTuple[1];
if (typeof options !== 'object') {
options = { detail: options };
}
event = new Event(eventName, options);
callback.call(binding, event);
}
}
}
};
__exports__.Promise = Promise;
__exports__.EventTarget = EventTarget; __exports__.EventTarget = EventTarget;
__exports__.all = all;
__exports__.hash = hash;
__exports__.defer = defer;
__exports__.denodeify = denodeify;
__exports__.configure = configure;
__exports__.resolve = resolve;
}); });
window.RSVP = requireModule('rsvp'); window.RSVP = requireModule('rsvp');
......
browser/rsvp.min.js
View file @ a4fa1343
(function(){var e,t;(function(){var r={},n={};e=function(e,t,n){r[e]={deps:t,callback:n}};t=function(e){if(n[e]){return n[e]}n[e]={};var i=r[e],o=i.deps,s=i.callback,f=[],c;for(var u=0,a=o.length;u<a;u++){if(o[u]==="exports"){f.push(c={})}else{f.push(t(o[u]))}}var l=s.apply(this,f);return n[e]=c||l}})();e("rsvp/all",["rsvp/defer","exports"],function(e,t){"use strict";var r=e.defer;function n(e){var t=[],n=r(),i=e.length;if(i===0){n.resolve([])}var o=function(e){return function(t){s(e,t)}};var s=function(e,r){t[e]=r;if(--i===0){n.resolve(t)}};var f=function(e){n.reject(e)};for(var c=0;c<e.length;c++){if(e[c]&&typeof e[c].then==="function"){e[c].then(o(c),f)}else{s(c,e[c])}}return n.promise}t.all=n});e("rsvp/async",["exports"],function(e){"use strict";var t=typeof window!=="undefined"?window:{};var r=t.MutationObserver||t.WebKitMutationObserver;var n;if(typeof process!=="undefined"&&{}.toString.call(process)==="[object 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e){if(e[u]&&typeof e[u].then==="function"){e[u].then(s(u),c)}else{f(u,e[u])}}return i.promise}t.hash=i});e("rsvp/node",["rsvp/promise","rsvp/all","exports"],function(e,t,r){"use strict";var n=e.Promise;var i=t.all;function o(e,t){return function(r,n){if(r){t(r)}else if(arguments.length>2){e(Array.prototype.slice.call(arguments,1))}else{e(n)}}}function s(e){return function(){var t=Array.prototype.slice.call(arguments),r,s;var f=new n(function(e,t){r=e;s=t});i(t).then(function(t){t.push(o(r,s));try{e.apply(this,t)}catch(n){s(n)}});return f}}r.denodeify=s});e("rsvp/promise",["rsvp/config","rsvp/events","exports"],function(e,t,r){"use strict";var n=e.config;var i=t.EventTarget;function o(e){return s(e)||typeof e==="object"&&e!==null}function s(e){return typeof e==="function"}var f=function(e){var t=this,r=false;if(typeof e!=="function"){throw new TypeError("You must pass a resolver function as the sole argument to the promise constructor")}if(!(t instanceof f)){return new f(e)}var 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r=t.MutationObserver||t.WebKitMutationObserver;var n;if(typeof process!=="undefined"&&{}.toString.call(process)==="[object process]"){n=function(e,t){process.nextTick(function(){e.call(t)})}}else if(r){var i=[];var o=new r(function(){var e=i.slice();i=[];e.forEach(function(e){var t=e[0],r=e[1];t.call(r)})});var s=document.createElement("div");o.observe(s,{attributes:true});window.addEventListener("unload",function(){o.disconnect();o=null});n=function(e,t){i.push([e,t]);s.setAttribute("drainQueue","drainQueue")}}else{n=function(e,t){setTimeout(function(){e.call(t)},1)}}e.async=n});e("rsvp/hash",["rsvp/defer","exports"],function(e,t){"use strict";var r=e.defer;function n(e){var t=0;for(var r in e){t++}return t}function i(e){var t={},i=r(),o=n(e);if(o===0){i.resolve({})}var s=function(e){return function(t){f(e,t)}};var f=function(e,r){t[e]=r;if(--o===0){i.resolve(t)}};var c=function(e){i.reject(e)};for(var u in e){if(e[u]&&typeof e[u].then==="function"){e[u].then(s(u),c)}else{f(u,e[u])}}return i.promise}t.hash=i});e("rsvp/node",["rsvp/promise","rsvp/all","exports"],function(e,t,r){"use strict";var n=e.Promise;var i=t.all;function o(e,t){return function(r,n){if(r){t(r)}else if(arguments.length>2){e(Array.prototype.slice.call(arguments,1))}else{e(n)}}}function s(e){return function(){var t=Array.prototype.slice.call(arguments),r,s;var f=new n(function(e,t){r=e;s=t});i(t).then(function(t){t.push(o(r,s));try{e.apply(this,t)}catch(n){s(n)}});return f}}r.denodeify=s});e("rsvp/defer",["rsvp/promise","exports"],function(e,t){"use strict";var r=e.Promise;function n(){var e={};var t=new r(function(t,r){e.resolve=t;e.reject=r});e.promise=t;return e}t.defer=n});e("rsvp/config",["rsvp/async","exports"],function(e,t){"use strict";var r=e.async;var n={};n.async=r;t.config=n});e("rsvp/all",["rsvp/defer","exports"],function(e,t){"use strict";var r=e.defer;function n(e){var t=[],n=r(),i=e.length;if(i===0){n.resolve([])}var o=function(e){return function(t){s(e,t)}};var s=function(e,r){t[e]=r;if(--i===0){n.resolve(t)}};var f=function(e){n.reject(e)};for(var c=0;c<e.length;c++){if(e[c]&&typeof e[c].then==="function"){e[c].then(o(c),f)}else{s(c,e[c])}}return n.promise}t.all=n});e("rsvp/resolve",["rsvp/promise","exports"],function(e,t){"use strict";var r=e.Promise;function n(e){return typeof e==="function"||typeof e==="object"&&e!==null}function i(e){var t=new r(function(t,r){var i;try{if(n(e)){i=e.then;if(typeof i==="function"){i.call(e,t,r)}else{t(e)}}else{t(e)}}catch(o){r(o)}});return t}t.resolve=i});e("rsvp/promise",["rsvp/config","rsvp/events","exports"],function(e,t,r){"use strict";var n=e.config;var i=t.EventTarget;function o(e){return s(e)||typeof e==="object"&&e!==null}function s(e){return typeof e==="function"}var f=function(e){var t=this,r=false;if(typeof e!=="function"){throw new TypeError("You must pass a resolver function as the sole argument to the promise constructor")}if(!(t instanceof f)){return new f(e)}var n=function(e){if(r){return}r=true;u(t,e)};var i=function(e){if(r){return}r=true;l(t,e)};this.on("promise:resolved",function(e){this.trigger("success",{detail:e.detail})},this);this.on("promise:failed",function(e){this.trigger("error",{detail:e.detail})},this);e(n,i)};var c=function(e,t,r,n){var i=s(r),f,c,a,v;if(i){try{f=r(n.detail);a=true}catch(p){v=true;c=p}}else{f=n.detail;a=true}if(o(f)&&s(f.then)){f.then(function(e){u(t,e)},function(e){l(t,e)})}else if(i&&a){u(t,f)}else if(v){l(t,c)}else if(e==="resolve"){u(t,f)}else if(e==="reject"){l(t,f)}};f.prototype={constructor:f,then:function(e,t){var r=new f(function(){});if(this.isFulfilled){n.async(function(){c("resolve",r,e,{detail:this.fulfillmentValue})},this)}if(this.isRejected){n.async(function(){c("reject",r,t,{detail:this.rejectedReason})},this)}this.on("promise:resolved",function(t){c("resolve",r,e,t)});this.on("promise:failed",function(e){c("reject",r,t,e)});return r}};i.mixin(f.prototype);function u(e,t){if(t&&t===e||o(t)&&s(t.promise)&&t.promise()===e){a(e,t)}else if(o(t)&&s(t.then)){t.then(function(r){if(t!==r){u(e,r)}else{a(e,r)}},function(t){l(e,t)})}else{a(e,t)}}function a(e,t){n.async(function(){e.trigger("promise:resolved",{detail:t});e.isFulfilled=true;e.fulfillmentValue=t})}function l(e,t){n.async(function(){e.trigger("promise:failed",{detail:t});e.isRejected=true;e.rejectedReason=t})}r.Promise=f});e("rsvp/events",["exports"],function(e){"use strict";var t=function(e,t){this.type=e;for(var r in t){if(!t.hasOwnProperty(r)){continue}this[r]=t[r]}};var r=function(e,t){for(var r=0,n=e.length;r<n;r++){if(e[r][0]===t){return r}}return-1};var n=function(e){var t=e._promiseCallbacks;if(!t){t=e._promiseCallbacks={}}return t};var i={mixin:function(e){e.on=this.on;e.off=this.off;e.trigger=this.trigger;return e},on:function(e,t,i){var o=n(this),s,f;e=e.split(/\s+/);i=i||this;while(f=e.shift()){s=o[f];if(!s){s=o[f]=[]}if(r(s,t)===-1){s.push([t,i])}}},off:function(e,t){var i=n(this),o,s,f;e=e.split(/\s+/);while(s=e.shift()){if(!t){i[s]=[];continue}o=i[s];f=r(o,t);if(f!==-1){o.splice(f,1)}}},trigger:function(e,r){var i=n(this),o,s,f,c,u;if(o=i[e]){for(var a=0;a<o.length;a++){s=o[a];f=s[0];c=s[1];if(typeof r!=="object"){r={detail:r}}u=new t(e,r);f.call(c,u)}}}};e.EventTarget=i});window.RSVP=t("rsvp")})();
browser/rsvp/promise.amd.js
View file @ a4fa1343
...@@ -119,7 +119,11 @@ define( ...@@ -119,7 +119,11 @@ define(
fulfill(promise, value); fulfill(promise, value);
} else if (objectOrFunction(value) && isFunction(value.then)) { } else if (objectOrFunction(value) && isFunction(value.then)) {
value.then(function(val) { value.then(function(val) {
resolve(promise, val); if (value !== val) {
resolve(promise, val);
} else {
fulfill(promise, val);
}
}, function(val) { }, function(val) {
reject(promise, val); reject(promise, val);
}); });
......
lib/rsvp/promise.js
View file @ a4fa1343
...@@ -115,7 +115,11 @@ function resolve(promise, value) { ...@@ -115,7 +115,11 @@ function resolve(promise, value) {
fulfill(promise, value); fulfill(promise, value);
} else if (objectOrFunction(value) && isFunction(value.then)) { } else if (objectOrFunction(value) && isFunction(value.then)) {
value.then(function(val) { value.then(function(val) {
resolve(promise, val); if (value !== val) {
resolve(promise, val);
} else {
fulfill(promise, val);
}
}, function(val) { }, function(val) {
reject(promise, val); reject(promise, val);
}); });
......
tests/extension-tests.js
View file @ a4fa1343
...@@ -134,6 +134,27 @@ describe("RSVP extensions", function() { ...@@ -134,6 +134,27 @@ describe("RSVP extensions", function() {
}); });
}); });
it('should assimilate two levels deep, for fulfillment of self fulfilling promises', function(done) {
var originalPromise, promise;
originalPromise = new RSVP.Promise(function(resolve) {
setTimeout(function() {
resolve(originalPromise);
}, 0)
});
promise = new RSVP.Promise(function(resolve) {
setTimeout(function() {
resolve(originalPromise);
}, 0);
});
promise.then(function(value) {
assert.equal(value, originalPromise);
done();
});
});
it('should assimilate two levels deep, for fulfillment', function(done) { it('should assimilate two levels deep, for fulfillment', function(done) {
var originalPromise = new RSVP.Promise(function(resolve) { resolve('original value'); }); var originalPromise = new RSVP.Promise(function(resolve) { resolve('original value'); });
var nextPromise = new RSVP.Promise(function(resolve) { resolve(originalPromise); }); var nextPromise = new RSVP.Promise(function(resolve) { resolve(originalPromise); });
......
tests/tmp/test-bundle.js
View file @ a4fa1343
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