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rsvp.js
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Romain Courteaud
rsvp.js
Commits
be74db04
Commit
be74db04
authored
Sep 23, 2013
by
Romain Courteaud
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Add RSVP#any
parent
34045c37
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3
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3 changed files
with
210 additions
and
17 deletions
+210
-17
lib/rsvp.js
lib/rsvp.js
+2
-2
lib/rsvp/all.js
lib/rsvp/all.js
+35
-15
test/tests/extension_test.js
test/tests/extension_test.js
+173
-0
No files found.
lib/rsvp.js
View file @
be74db04
...
...
@@ -2,7 +2,7 @@ import { EventTarget } from "./rsvp/events";
import
{
CancellationError
}
from
"
./rsvp/cancellation_error
"
;
import
{
Promise
}
from
"
./rsvp/promise
"
;
import
{
denodeify
}
from
"
./rsvp/node
"
;
import
{
all
}
from
"
./rsvp/all
"
;
import
{
all
,
any
}
from
"
./rsvp/all
"
;
import
{
delay
,
timeout
}
from
"
./rsvp/timeout
"
;
import
{
hash
}
from
"
./rsvp/hash
"
;
import
{
rethrow
}
from
"
./rsvp/rethrow
"
;
...
...
@@ -15,4 +15,4 @@ function configure(name, value) {
config
[
name
]
=
value
;
}
export
{
CancellationError
,
Promise
,
EventTarget
,
all
,
delay
,
timeout
,
hash
,
rethrow
,
defer
,
denodeify
,
configure
,
resolve
,
reject
};
export
{
CancellationError
,
Promise
,
EventTarget
,
all
,
any
,
delay
,
timeout
,
hash
,
rethrow
,
defer
,
denodeify
,
configure
,
resolve
,
reject
};
lib/rsvp/all.js
View file @
be74db04
...
...
@@ -2,17 +2,32 @@
import
{
Promise
}
from
"
./promise
"
;
function
all
(
promises
)
{
function
promiseAtLeast
(
expected_count
,
promises
)
{
if
(
Object
.
prototype
.
toString
.
call
(
promises
)
!==
"
[object Array]
"
)
{
throw
new
TypeError
(
'
You must pass an array to all.
'
);
}
function
canceller
()
{
var
promise
;
for
(
var
i
=
0
;
i
<
promises
.
length
;
i
++
)
{
promise
=
promises
[
i
];
if
(
promise
&&
typeof
promise
.
then
===
'
function
'
)
{
promise
.
cancel
();
}
}
}
return
new
Promise
(
function
(
resolve
,
reject
)
{
var
results
=
[],
remaining
=
promises
.
length
,
promise
;
promise
,
remaining_count
=
promises
.
length
-
expected_count
;
if
(
remaining
===
0
)
{
resolve
([]);
if
(
expected_count
===
1
)
{
resolve
();
}
else
{
resolve
([]);
}
}
function
resolver
(
index
)
{
...
...
@@ -23,8 +38,13 @@ function all(promises) {
function
resolveAll
(
index
,
value
)
{
results
[
index
]
=
value
;
if
(
--
remaining
===
0
)
{
resolve
(
results
);
if
(
--
remaining
===
remaining_count
)
{
if
(
remaining_count
===
0
)
{
resolve
(
results
);
}
else
{
resolve
(
value
);
canceller
();
}
}
}
...
...
@@ -37,16 +57,16 @@ function all(promises) {
resolveAll
(
i
,
promise
);
}
}
},
function
()
{
var
promise
;
for
(
var
i
=
0
;
i
<
promises
.
length
;
i
++
)
{
promise
=
promises
[
i
];
},
canceller
);
}
if
(
promise
&&
typeof
promise
.
then
===
'
function
'
)
{
promise
.
cancel
();
}
}
});
function
all
(
promises
)
{
return
promiseAtLeast
(
promises
.
length
,
promises
);
}
function
any
(
promises
)
{
return
promiseAtLeast
(
1
,
promises
);
}
export
{
all
};
export
{
all
,
any
};
test/tests/extension_test.js
View file @
be74db04
...
...
@@ -725,6 +725,179 @@ describe("RSVP extensions", function() {
});
});
describe
(
"
RSVP.any
"
,
function
()
{
it
(
'
should exist
'
,
function
()
{
assert
(
RSVP
.
any
);
});
it
(
'
throws when not passed an array
'
,
function
()
{
assert
.
throws
(
function
()
{
var
any
=
RSVP
.
any
();
},
TypeError
);
assert
.
throws
(
function
()
{
var
any
=
RSVP
.
any
(
''
);
},
TypeError
);
assert
.
throws
(
function
()
{
var
any
=
RSVP
.
any
({});
},
TypeError
);
});
specify
(
'
fulfilled only after one of the other promises are fulfilled
'
,
function
(
done
)
{
var
firstResolved
,
secondResolved
,
firstResolver
,
secondResolver
;
var
first
=
new
RSVP
.
Promise
(
function
(
resolve
)
{
firstResolver
=
resolve
;
});
first
.
then
(
function
()
{
firstResolved
=
true
;
});
var
second
=
new
RSVP
.
Promise
(
function
(
resolve
)
{
secondResolver
=
resolve
;
});
second
.
then
(
function
()
{
secondResolved
=
true
;
});
setTimeout
(
function
()
{
firstResolver
(
true
);
},
20
);
setTimeout
(
function
()
{
secondResolver
(
true
);
},
0
);
RSVP
.
any
([
first
,
second
]).
then
(
function
()
{
assert
(
firstResolved
===
undefined
);
assert
(
secondResolved
);
done
();
});
});
specify
(
'
rejected as soon as a promise is rejected
'
,
function
(
done
)
{
var
firstResolver
,
secondResolver
;
var
first
=
new
RSVP
.
Promise
(
function
(
resolve
,
reject
)
{
firstResolver
=
{
resolve
:
resolve
,
reject
:
reject
};
});
var
second
=
new
RSVP
.
Promise
(
function
(
resolve
,
reject
)
{
secondResolver
=
{
resolve
:
resolve
,
reject
:
reject
};
});
setTimeout
(
function
()
{
firstResolver
.
reject
({});
},
0
);
setTimeout
(
function
()
{
secondResolver
.
resolve
(
true
);
},
5000
);
RSVP
.
any
([
first
,
second
]).
then
(
function
()
{
assert
(
false
);
},
function
()
{
assert
(
first
.
isRejected
);
assert
(
!
second
.
isResolved
);
done
();
});
});
specify
(
'
passes the resolved value of the fulfilled promise to the callback
'
,
function
(
done
)
{
var
firstResolver
,
secondResolver
,
thirdResolver
;
var
first
=
new
RSVP
.
Promise
(
function
(
resolve
,
reject
)
{
firstResolver
=
{
resolve
:
resolve
,
reject
:
reject
};
});
var
second
=
new
RSVP
.
Promise
(
function
(
resolve
,
reject
)
{
secondResolver
=
{
resolve
:
resolve
,
reject
:
reject
};
});
var
third
=
new
RSVP
.
Promise
(
function
(
resolve
,
reject
)
{
thirdResolver
=
{
resolve
:
resolve
,
reject
:
reject
};
});
thirdResolver
.
resolve
(
3
);
firstResolver
.
resolve
(
1
);
secondResolver
.
resolve
(
2
);
RSVP
.
any
([
first
,
second
,
third
]).
then
(
function
(
result
)
{
assert
.
equal
(
result
,
3
);
done
();
});
});
specify
(
'
resolves an empty array passed to RSVP.any()
'
,
function
(
done
)
{
RSVP
.
any
([]).
then
(
function
(
result
)
{
console
.
log
(
result
);
assert
.
equal
(
result
,
undefined
);
done
();
});
});
specify
(
'
works with a mix of promises and thenables and non-promises
'
,
function
(
done
)
{
var
promise
=
new
RSVP
.
Promise
(
function
(
resolve
)
{
resolve
(
1
);
});
var
syncThenable
=
{
then
:
function
(
onFulfilled
)
{
onFulfilled
(
2
);
}
};
var
asyncThenable
=
{
then
:
function
(
onFulfilled
)
{
setTimeout
(
function
()
{
onFulfilled
(
3
);
},
0
);
}
};
var
nonPromise
=
4
;
RSVP
.
any
([
promise
,
syncThenable
,
asyncThenable
,
nonPromise
]).
then
(
function
(
result
)
{
assert
.
equal
(
result
,
2
);
done
();
});
});
specify
(
'
cancel the remaining promises as soon as resolved
'
,
function
(
done
)
{
var
promise
=
new
RSVP
.
Promise
(
function
(
resolve
)
{
resolve
(
1
);
});
var
asyncPromise
=
new
RSVP
.
Promise
(
function
(
resolve
)
{
setTimeout
(
function
()
{
resolve
(
2
);
},
0
);
});
RSVP
.
any
([
promise
,
asyncPromise
]).
then
(
function
(
result
)
{
assert
.
equal
(
result
,
1
);
});
setTimeout
(
function
()
{
assert
(
asyncPromise
.
isRejected
);
assert
(
asyncPromise
.
rejectedReason
instanceof
RSVP
.
CancellationError
);
done
();
},
20
);
});
specify
(
'
cancel the array of promise as soon as cancelled
'
,
function
(
done
)
{
var
firstResolver
,
secondResolver
;
var
first
=
new
RSVP
.
Promise
(
function
(
resolve
,
reject
)
{
firstResolver
=
{
resolve
:
resolve
,
reject
:
reject
};
});
var
second
=
new
RSVP
.
Promise
(
function
(
resolve
,
reject
)
{
secondResolver
=
{
resolve
:
resolve
,
reject
:
reject
};
});
setTimeout
(
function
()
{
firstResolver
.
reject
({});
},
0
);
setTimeout
(
function
()
{
secondResolver
.
resolve
(
true
);
},
5000
);
var
all_promise
=
RSVP
.
any
([
first
,
second
]);
all_promise
.
cancel
();
setTimeout
(
function
()
{
assert
(
first
.
isRejected
);
assert
(
first
.
rejectedReason
instanceof
RSVP
.
CancellationError
);
assert
(
second
.
isRejected
);
assert
(
second
.
rejectedReason
instanceof
RSVP
.
CancellationError
);
done
();
},
20
);
});
});
describe
(
"
RSVP.reject
"
,
function
(){
specify
(
"
it should exist
"
,
function
(){
assert
(
RSVP
.
reject
);
...
...
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