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Commit 24433fc4 authored by Yehuda Katz's avatar Yehuda Katz
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Merge branch 'promisify' of https://github.com/domenic/rsvp.js into domenic-promisify

parents 4c5bbb56 628099a7
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Showing with 220 additions and 2 deletions
browser/rsvp.amd.js
View file @ 24433fc4
......@@ -190,9 +190,41 @@ define(
return deferred;
}
function makeNodeCallbackFor(promise) {
return function (error, value) {
if (error) {
reject(promise, error);
} else if (arguments.length > 2) {
resolve(promise, Array.prototype.slice.call(arguments, 1));
} else {
resolve(promise, value);
}
};
}
function denodeify(nodeFunc) {
return function() {
var nodeArgs = Array.prototype.slice.call(arguments);
var promise = new Promise(function() {});
all(nodeArgs).then(function(nodeArgs) {
nodeArgs.push(makeNodeCallbackFor(promise));
try {
nodeFunc.apply(this, nodeArgs);
} catch(e) {
reject(promise, e);
}
});
return promise;
};
}
__exports__.Promise = Promise;
__exports__.all = all;
__exports__.defer = defer;
__exports__.denodeify = denodeify;
__exports__.configure = configure;
});
browser/rsvp.js
View file @ 24433fc4
......@@ -379,10 +379,42 @@ define("rsvp",
return deferred;
}
function makeNodeCallbackFor(promise) {
return function (error, value) {
if (error) {
reject(promise, error);
} else if (arguments.length > 2) {
resolve(promise, Array.prototype.slice.call(arguments, 1));
} else {
resolve(promise, value);
}
};
}
function denodeify(nodeFunc) {
return function() {
var nodeArgs = Array.prototype.slice.call(arguments);
var promise = new Promise(function() {});
all(nodeArgs).then(function(nodeArgs) {
nodeArgs.push(makeNodeCallbackFor(promise));
try {
nodeFunc.apply(this, nodeArgs);
} catch(e) {
reject(promise, e);
}
});
return promise;
};
}
__exports__.Promise = Promise;
__exports__.all = all;
__exports__.defer = defer;
__exports__.denodeify = denodeify;
__exports__.configure = configure;
});
......
browser/rsvp.min.js
View file @ 24433fc4
(function(){var t,e;(function(){var n={},i={};t=function(t,e,i){n[t]={deps:e,callback:i}};e=function(t){if(i[t]){return i[t]}i[t]={};var r=n[t],o=r.deps,s=r.callback,f=[],c;for(var u=0,a=o.length;u<a;u++){if(o[u]==="exports"){f.push(c={})}else{f.push(e(o[u]))}}var l=s.apply(this,f);return i[t]=c||l}})();t("rsvp/async",["exports"],function(t){"use strict";var e=typeof window!=="undefined"?window:{};var n=e.MutationObserver||e.WebKitMutationObserver;var i;if(typeof process!=="undefined"&&{}.toString.call(process)==="[object process]"){i=function(t,e){process.nextTick(function(){t.call(e)})}}else if(n){var r=[];var o=new n(function(){var t=r.slice();r=[];t.forEach(function(t){var e=t[0],n=t[1];e.call(n)})});var s=document.createElement("div");o.observe(s,{attributes:true});window.addEventListener("unload",function(){o.disconnect();o=null});i=function(t,e){r.push([t,e]);s.setAttribute("drainQueue","drainQueue")}}else{i=function(t,e){setTimeout(function(){t.call(e)},1)}}t.async=i});t("rsvp/events",["exports"],function(t){"use strict";var e=function(t,e){this.type=t;for(var n in e){if(!e.hasOwnProperty(n)){continue}this[n]=e[n]}};var n=function(t,e){for(var n=0,i=t.length;n<i;n++){if(t[n][0]===e){return n}}return-1};var i=function(t){var e=t._promiseCallbacks;if(!e){e=t._promiseCallbacks={}}return e};var r={mixin:function(t){t.on=this.on;t.off=this.off;t.trigger=this.trigger;return t},on:function(t,e,r){var o=i(this),s,f;t=t.split(/\s+/);r=r||this;while(f=t.shift()){s=o[f];if(!s){s=o[f]=[]}if(n(s,e)===-1){s.push([e,r])}}},off:function(t,e){var r=i(this),o,s,f;t=t.split(/\s+/);while(s=t.shift()){if(!e){r[s]=[];continue}o=r[s];f=n(o,e);if(f!==-1){o.splice(f,1)}}},trigger:function(t,n){var r=i(this),o,s,f,c,u;if(o=r[t]){for(var a=0;a<o.length;a++){s=o[a];f=s[0];c=s[1];if(typeof n!=="object"){n={detail:n}}u=new e(t,n);f.call(c,u)}}}};t.EventTarget=r});t("rsvp",["rsvp/async","rsvp/events","exports"],function(t,e,n){"use strict";var i=t.async;var r=e.EventTarget;var o={};o.async=i;var s=function(){};var f=function(t){var e=this;if(typeof t!=="function"){throw new TypeError("You must pass a resolver function as the sole argument to the promise constructor")}if(!(e instanceof f)){return new f(t)}var n=function(t){u(e,t);n=s;i=s};var i=function(t){l(e,t);n=s;i=s};this.on("promise:resolved",function(t){this.trigger("success",{detail:t.detail})},this);this.on("promise:failed",function(t){this.trigger("error",{detail:t.detail})},this);t(n,i)};var c=function(t,e,n,i){var r=typeof n==="function",o,s,f,c;if(r){try{o=n(i.detail);f=true}catch(a){c=true;s=a}}else{o=i.detail;f=true}if(o&&typeof o.then==="function"){o.then(function(t){u(e,t)},function(t){l(e,t)})}else if(r&&f){u(e,o)}else if(c){l(e,s)}else if(t==="resolve"){u(e,o)}else if(t==="reject"){l(e,o)}};f.prototype={constructor:f,then:function(t,e){var n=new f(function(){});if(this.isFulfilled){o.async(function(){c("resolve",n,t,{detail:this.fulfillmentValue})},this)}if(this.isRejected){o.async(function(){c("reject",n,e,{detail:this.rejectedReason})},this)}this.on("promise:resolved",function(e){c("resolve",n,t,e)});this.on("promise:failed",function(t){c("reject",n,e,t)});return n}};function u(t,e){if(e&&typeof e.then==="function"){e.then(function(e){u(t,e)},function(e){l(t,e)})}else{a(t,e)}}function a(t,e){o.async(function(){t.trigger("promise:resolved",{detail:e});t.isFulfilled=true;t.fulfillmentValue=e})}function l(t,e){o.async(function(){t.trigger("promise:failed",{detail:e});t.isRejected=true;t.rejectedReason=e})}function v(t){var e,n=[];var i=new f(function(){});var r=t.length;if(r===0){u(i,[])}var o=function(t){return function(e){s(t,e)}};var s=function(t,e){n[t]=e;if(--r===0){u(i,n)}};var c=function(t){l(i,t)};for(e=0;e<t.length;e++){if(t[e]&&typeof t[e].then==="function"){t[e].then(o(e),c)}else{s(e,t[e])}}return i}r.mixin(f.prototype);function h(t,e){o[t]=e}function p(){var t={};var e=new f(function(e,n){t.resolve=e;t.reject=n});t.promise=e;return t}n.Promise=f;n.all=v;n.defer=p;n.configure=h});window.RSVP=e("rsvp")})();
(function(){var t,e;(function(){var n={},i={};t=function(t,e,i){n[t]={deps:e,callback:i}};e=function(t){if(i[t]){return i[t]}i[t]={};var r=n[t],o=r.deps,s=r.callback,f=[],c;for(var u=0,a=o.length;u<a;u++){if(o[u]==="exports"){f.push(c={})}else{f.push(e(o[u]))}}var l=s.apply(this,f);return i[t]=c||l}})();t("rsvp/async",["exports"],function(t){"use strict";var e=typeof window!=="undefined"?window:{};var n=e.MutationObserver||e.WebKitMutationObserver;var i;if(typeof process!=="undefined"&&{}.toString.call(process)==="[object process]"){i=function(t,e){process.nextTick(function(){t.call(e)})}}else if(n){var r=[];var o=new n(function(){var t=r.slice();r=[];t.forEach(function(t){var e=t[0],n=t[1];e.call(n)})});var s=document.createElement("div");o.observe(s,{attributes:true});window.addEventListener("unload",function(){o.disconnect();o=null});i=function(t,e){r.push([t,e]);s.setAttribute("drainQueue","drainQueue")}}else{i=function(t,e){setTimeout(function(){t.call(e)},1)}}t.async=i});t("rsvp/events",["exports"],function(t){"use strict";var e=function(t,e){this.type=t;for(var n in e){if(!e.hasOwnProperty(n)){continue}this[n]=e[n]}};var n=function(t,e){for(var n=0,i=t.length;n<i;n++){if(t[n][0]===e){return n}}return-1};var i=function(t){var e=t._promiseCallbacks;if(!e){e=t._promiseCallbacks={}}return e};var r={mixin:function(t){t.on=this.on;t.off=this.off;t.trigger=this.trigger;return t},on:function(t,e,r){var o=i(this),s,f;t=t.split(/\s+/);r=r||this;while(f=t.shift()){s=o[f];if(!s){s=o[f]=[]}if(n(s,e)===-1){s.push([e,r])}}},off:function(t,e){var r=i(this),o,s,f;t=t.split(/\s+/);while(s=t.shift()){if(!e){r[s]=[];continue}o=r[s];f=n(o,e);if(f!==-1){o.splice(f,1)}}},trigger:function(t,n){var r=i(this),o,s,f,c,u;if(o=r[t]){for(var a=0;a<o.length;a++){s=o[a];f=s[0];c=s[1];if(typeof n!=="object"){n={detail:n}}u=new e(t,n);f.call(c,u)}}}};t.EventTarget=r});t("rsvp",["rsvp/async","rsvp/events","exports"],function(t,e,n){"use strict";var i=t.async;var r=e.EventTarget;var o={};o.async=i;var s=function(){};var f=function(t){var e=this;if(typeof t!=="function"){throw new TypeError("You must pass a resolver function as the sole argument to the promise constructor")}if(!(e instanceof f)){return new f(t)}var n=function(t){u(e,t);n=s;i=s};var i=function(t){l(e,t);n=s;i=s};this.on("promise:resolved",function(t){this.trigger("success",{detail:t.detail})},this);this.on("promise:failed",function(t){this.trigger("error",{detail:t.detail})},this);t(n,i)};var c=function(t,e,n,i){var r=typeof n==="function",o,s,f,c;if(r){try{o=n(i.detail);f=true}catch(a){c=true;s=a}}else{o=i.detail;f=true}if(o&&typeof o.then==="function"){o.then(function(t){u(e,t)},function(t){l(e,t)})}else if(r&&f){u(e,o)}else if(c){l(e,s)}else if(t==="resolve"){u(e,o)}else if(t==="reject"){l(e,o)}};f.prototype={constructor:f,then:function(t,e){var n=new f(function(){});if(this.isFulfilled){o.async(function(){c("resolve",n,t,{detail:this.fulfillmentValue})},this)}if(this.isRejected){o.async(function(){c("reject",n,e,{detail:this.rejectedReason})},this)}this.on("promise:resolved",function(e){c("resolve",n,t,e)});this.on("promise:failed",function(t){c("reject",n,e,t)});return n}};function u(t,e){if(e&&typeof e.then==="function"){e.then(function(e){u(t,e)},function(e){l(t,e)})}else{a(t,e)}}function a(t,e){o.async(function(){t.trigger("promise:resolved",{detail:e});t.isFulfilled=true;t.fulfillmentValue=e})}function l(t,e){o.async(function(){t.trigger("promise:failed",{detail:e});t.isRejected=true;t.rejectedReason=e})}function v(t){var e,n=[];var i=new f(function(){});var r=t.length;if(r===0){u(i,[])}var o=function(t){return function(e){s(t,e)}};var s=function(t,e){n[t]=e;if(--r===0){u(i,n)}};var c=function(t){l(i,t)};for(e=0;e<t.length;e++){if(t[e]&&typeof t[e].then==="function"){t[e].then(o(e),c)}else{s(e,t[e])}}return i}r.mixin(f.prototype);function p(t,e){o[t]=e}function h(){var t={};var e=new f(function(e,n){t.resolve=e;t.reject=n});t.promise=e;return t}function d(t){return function(e,n){if(e){l(t,e)}else if(arguments.length>2){u(t,Array.prototype.slice.call(arguments,1))}else{u(t,n)}}}function y(t){return function(){var e=Array.prototype.slice.call(arguments);var n=new f(function(){});v(e).then(function(e){e.push(d(n));try{t.apply(this,e)}catch(i){l(n,i)}});return n}}n.Promise=f;n.all=v;n.defer=h;n.denodeify=y;n.configure=p});window.RSVP=e("rsvp")})();
lib/rsvp.js
View file @ 24433fc4
......@@ -186,4 +186,35 @@ function defer() {
return deferred;
}
export { Promise, all, defer, configure };
function makeNodeCallbackFor(promise) {
return function (error, value) {
if (error) {
reject(promise, error);
} else if (arguments.length > 2) {
resolve(promise, Array.prototype.slice.call(arguments, 1));
} else {
resolve(promise, value);
}
};
}
function denodeify(nodeFunc) {
return function() {
var nodeArgs = Array.prototype.slice.call(arguments);
var promise = new Promise(function() {});
all(nodeArgs).then(function(nodeArgs) {
nodeArgs.push(makeNodeCallbackFor(promise));
try {
nodeFunc.apply(this, nodeArgs);
} catch(e) {
reject(promise, e);
}
});
return promise;
};
}
export { Promise, all, defer, denodeify, configure };
tests/extension-tests.js
View file @ 24433fc4
......@@ -199,6 +199,129 @@ describe("RSVP extensions", function() {
});
});
describe("RSVP.denodeify", function() {
specify('it should exist', function() {
assert(RSVP.denodeify);
});
specify('calls node function with any arguments passed', function(done) {
var args = null;
function nodeFunc(arg1, arg2, arg3, cb) {
args = [arg1, arg2, arg3];
cb();
}
var denodeifiedFunc = RSVP.denodeify(nodeFunc);
denodeifiedFunc(1, 2, 3).then(function() {
assert.deepEqual(args, [1, 2, 3]);
done();
});
});
specify('waits for promise/thenable arguments to settle before passing them to the node function', function(done) {
var args = null;
function nodeFunc(arg1, arg2, arg3, cb) {
args = [arg1, arg2, arg3];
cb();
}
var denodeifiedFunc = RSVP.denodeify(nodeFunc);
var promise = new RSVP.Promise(function(resolve) { resolve(1); });
var thenable = { then: function (onFulfilled) { onFulfilled(2); } };
var nonPromise = 3;
denodeifiedFunc(promise, thenable, nonPromise).then(function() {
assert.deepEqual(args, [1, 2, 3]);
done();
});
});
specify('fulfilled with value if node function calls back with a single argument', function(done) {
function nodeFunc(cb) {
cb(null, 'nodeFuncResult');
}
var denodeifiedFunc = RSVP.denodeify(nodeFunc);
denodeifiedFunc().then(function(value) {
assert.equal(value, 'nodeFuncResult');
done();
});
});
specify('fulfilled with array if node function calls back with multiple arguments', function(done) {
function nodeFunc(cb) {
cb(null, 1, 2, 3);
}
var denodeifiedFunc = RSVP.denodeify(nodeFunc);
denodeifiedFunc().then(function(value) {
assert.deepEqual(value, [1, 2, 3]);
done();
});
});
specify('rejected if node function calls back with error', function(done) {
function nodeFunc(cb) {
cb('bad!');
}
var denodeifiedFunc = RSVP.denodeify(nodeFunc);
denodeifiedFunc().then(function() {
assert(false);
done();
}, function(reason) {
assert.equal(reason, 'bad!');
done();
});
});
specify('rejected if node function throws an exception synchronously', function(done) {
function nodeFunc(cb) {
throw 'bad!';
}
var denodeifiedFunc = RSVP.denodeify(nodeFunc);
denodeifiedFunc().then(function() {
assert(false);
done();
}, function(reason) {
assert.equal(reason, 'bad!');
done();
});
});
specify('integration test showing how awesome this can be', function(done) {
function readFile(fileName, cb) {
setTimeout(function() {
cb(null, 'contents of ' + fileName);
}, 0);
}
var writtenTo = null;
function writeFile(fileName, text, cb) {
setTimeout(function () {
writtenTo = [fileName, text];
cb();
}, 0);
}
var denodeifiedReadFile = RSVP.denodeify(readFile);
var denodeifiedWriteFile = RSVP.denodeify(writeFile);
denodeifiedWriteFile('dest.txt', denodeifiedReadFile('src.txt')).then(function () {
assert.deepEqual(writtenTo, ['dest.txt', 'contents of src.txt']);
done();
});
});
});
describe("RSVP.all", function() {
it('should exist', function() {
assert(RSVP.all);
......
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