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Return results of sync promises in the same order they were given

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This commit is contained in:
Steve Purcell 2014-05-27 17:37:07 +01:00
parent 0550079bfc
commit aabc102abb
1 changed files with 7 additions and 6 deletions
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11
mithril.js
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@ -427,11 +427,11 @@ Mithril = m = new function app(window) {
} }
m.sync = function(args) { m.sync = function(args) {
var method = "resolve" var method = "resolve"
function synchronizer(resolved) { function synchronizer(pos, resolved) {
return function(value) { return function(value) {
results.push(value) results[pos] = value
if (!resolved) method = "reject" if (!resolved) method = "reject"
if (results.length == args.length) { if (--outstanding == 0) {
deferred.promise(results) deferred.promise(results)
deferred[method](results) deferred[method](results)
} }
@ -440,9 +440,10 @@ Mithril = m = new function app(window) {
} }
var deferred = m.deferred() var deferred = m.deferred()
var results = [] var outstanding = args.length
var results = new Array(outstanding)
for (var i = 0; i < args.length; i++) { for (var i = 0; i < args.length; i++) {
args[i].then(synchronizer(true), synchronizer(false)) args[i].then(synchronizer(i, true), synchronizer(false))
} }
return deferred.promise return deferred.promise
} }