Commit ec8dce36 authored by Yehuda Katz's avatar Yehuda Katz

Add RSVP.configure('onerror')

This function is invoked when an unhandled exception is thrown.
parent da484cfd
......@@ -38,6 +38,9 @@ define("rsvp/all",
var Promise = __dependency1__.Promise;
function all(promises) {
if(toString.call(promises) !== "[object Array]") {
throw new TypeError('You must pass an array to all.');
}
return new Promise(function(resolve, reject) {
var results = [], remaining = promises.length,
promise;
......@@ -318,7 +321,51 @@ define("rsvp/hash",
__exports__.hash = hash;
});
define("rsvp/node",
["rsvp/promise","rsvp/all","exports"],
function(__dependency1__, __dependency2__, __exports__) {
"use strict";
var Promise = __dependency1__.Promise;
var all = __dependency2__.all;
function makeNodeCallbackFor(resolve, reject) {
return function (error, value) {
if (error) {
reject(error);
} else if (arguments.length > 2) {
resolve(Array.prototype.slice.call(arguments, 1));
} else {
resolve(value);
}
};
}
function denodeify(nodeFunc) {
return function() {
var nodeArgs = Array.prototype.slice.call(arguments), resolve, reject;
var thisArg = this;
var promise = new Promise(function(nodeResolve, nodeReject) {
resolve = nodeResolve;
reject = nodeReject;
});
all(nodeArgs).then(function(nodeArgs) {
nodeArgs.push(makeNodeCallbackFor(resolve, reject));
try {
nodeFunc.apply(thisArg, nodeArgs);
} catch(e) {
reject(e);
}
});
return promise;
};
}
__exports__.denodeify = denodeify;
});
define("rsvp/promise",
["rsvp/config","rsvp/events","exports"],
......@@ -367,6 +414,8 @@ define("rsvp/promise",
this.trigger('error', { detail: event.detail });
}, this);
this.on('error', onerror);
try {
resolver(resolvePromise, rejectPromise);
} catch(e) {
......@@ -374,6 +423,12 @@ define("rsvp/promise",
}
};
function onerror(event) {
if (config.onerror) {
config.onerror(event.detail);
}
}
var invokeCallback = function(type, promise, callback, event) {
var hasCallback = isFunction(callback),
value, error, succeeded, failed;
......@@ -408,6 +463,8 @@ define("rsvp/promise",
constructor: Promise,
then: function(done, fail) {
this.off('error', onerror);
var thenPromise = new Promise(function() {});
if (this.isFulfilled) {
......
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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});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 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if(e==="reject"){l(t,o)}};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(e===t){v(e,t)}else if(!a(e,t)){v(e,t)}}function a(e,t){var r=null;if(o(t)){try{r=t.then}catch(n){l(e,n);return true}if(s(r)){try{r.call(t,function(r){if(t!==r){u(e,r)}else{v(e,r)}},function(t){l(e,t)})}catch(n){l(e,n)}return true}}return false}function v(e,t){n.async(function(){e.trigger("promise:resolved",{detail:t});e.isFulfilled=true;e.fulfillmentValue=t})}function 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i;try{if(n(e)){i=e.then;if(typeof i==="function"){i.call(e,r,t)}else{r(e)}}else{r(e)}}catch(o){t(o)}});return r}r.resolve=i});e("rsvp",["rsvp/events","rsvp/promise","rsvp/node","rsvp/all","rsvp/hash","rsvp/defer","rsvp/config","rsvp/resolve","rsvp/reject","exports"],function(e,r,t,n,i,o,s,f,c,u){"use strict";var a=e.EventTarget;var l=r.Promise;var v=t.denodeify;var p=n.all;var h=i.hash;var d=o.defer;var y=s.config;var m=f.resolve;var g=c.reject;function w(e,r){y[e]=r}u.Promise=l;u.EventTarget=a;u.all=p;u.hash=h;u.defer=d;u.denodeify=v;u.configure=w;u.resolve=m;u.reject=g});window.RSVP=r("rsvp")}();
......@@ -5,6 +5,9 @@ define(
var Promise = __dependency1__.Promise;
function all(promises) {
if(toString.call(promises) !== "[object Array]") {
throw new TypeError('You must pass an array to all.');
}
return new Promise(function(resolve, reject) {
var results = [], remaining = promises.length,
promise;
......
define(
["rsvp/promise","rsvp/all","exports"],
function(__dependency1__, __dependency2__, __exports__) {
"use strict";
var Promise = __dependency1__.Promise;
var all = __dependency2__.all;
function makeNodeCallbackFor(resolve, reject) {
return function (error, value) {
if (error) {
reject(error);
} else if (arguments.length > 2) {
resolve(Array.prototype.slice.call(arguments, 1));
} else {
resolve(value);
}
};
}
function denodeify(nodeFunc) {
return function() {
var nodeArgs = Array.prototype.slice.call(arguments), resolve, reject;
var thisArg = this;
var promise = new Promise(function(nodeResolve, nodeReject) {
resolve = nodeResolve;
reject = nodeReject;
});
all(nodeArgs).then(function(nodeArgs) {
nodeArgs.push(makeNodeCallbackFor(resolve, reject));
try {
nodeFunc.apply(thisArg, nodeArgs);
} catch(e) {
reject(e);
}
});
return promise;
};
}
__exports__.denodeify = denodeify;
});
......@@ -45,6 +45,8 @@ define(
this.trigger('error', { detail: event.detail });
}, this);
this.on('error', onerror);
try {
resolver(resolvePromise, rejectPromise);
} catch(e) {
......@@ -52,6 +54,12 @@ define(
}
};
function onerror(event) {
if (config.onerror) {
config.onerror(event.detail);
}
}
var invokeCallback = function(type, promise, callback, event) {
var hasCallback = isFunction(callback),
value, error, succeeded, failed;
......@@ -86,6 +94,8 @@ define(
constructor: Promise,
then: function(done, fail) {
this.off('error', onerror);
var thenPromise = new Promise(function() {});
if (this.isFulfilled) {
......
......@@ -41,6 +41,8 @@ var Promise = function(resolver) {
this.trigger('error', { detail: event.detail });
}, this);
this.on('error', onerror);
try {
resolver(resolvePromise, rejectPromise);
} catch(e) {
......@@ -48,6 +50,12 @@ var Promise = function(resolver) {
}
};
function onerror(event) {
if (config.onerror) {
config.onerror(event.detail);
}
}
var invokeCallback = function(type, promise, callback, event) {
var hasCallback = isFunction(callback),
value, error, succeeded, failed;
......@@ -82,6 +90,8 @@ Promise.prototype = {
constructor: Promise,
then: function(done, fail) {
this.off('error', onerror);
var thenPromise = new Promise(function() {});
if (this.isFulfilled) {
......
......@@ -622,6 +622,44 @@ describe("RSVP extensions", function() {
});
});
describe("RSVP.onerror", function(){
var onerror;
after(function() {
RSVP.configure('onerror', null);
});
it("When provided, any unhandled exceptions are sent to it", function(done) {
var thrownError = new Error();
RSVP.configure('onerror', function(error) {
assert.equal(error, thrownError, "The thrown error is passed in");
done();
});
new RSVP.Promise(function(resolve, reject) {
reject(thrownError);
}).then(function() {
// doesn't get here
});
});
it("When provided, handled exceptions are not sent to it", function(done) {
var thrownError = new Error();
RSVP.configure('onerror', function(error) {
assert(false, "Should not get here");
});
new RSVP.Promise(function(resolve, reject) {
reject(thrownError);
}).then(null, function(error) {
assert.equal(error, thrownError, "The handler should handle the error");
done();
});
});
});
describe("RSVP.resolve", function(){
specify("it should exist", function(){
assert(RSVP.resolve);
......
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