|
1
|
# Delegates to `succ` on sucecss or to `fail` on error
|
|
2
|
# ex: Thing.load 123, iferr cb, (thing) -> ...
|
|
3
|
iferr = (fail, succ) -> (err, a...) ->
|
|
4
|
if err? then fail err
|
|
5
|
else succ? a...
|
|
6
|
|
|
7
|
# Like iferr, but also catches errors thrown from `succ` and passes to `fail`
|
|
8
|
tiferr = (fail, succ) -> iferr fail, (a...) ->
|
|
9
|
try succ a...
|
|
10
|
catch err then fail err
|
|
11
|
|
|
12
|
# Delegate to the success function on success, or throw the error otherwise
|
|
13
|
# ex: Thing.load 123, throwerr (thing) -> ...
|
|
14
|
throwerr = iferr.bind null, (err) -> throw err
|
|
15
|
|
|
16
|
# Prints errors when one is passed, or does nothing otherwise
|
|
17
|
# ex: thing.save printerr
|
|
18
|
printerr = iferr (err) -> console.error err.stack or err
|
|
19
|
|
|
20
|
module.exports = exports = iferr
|
|
21
|
exports.iferr = iferr
|
|
22
|
exports.tiferr = tiferr
|
|
23
|
exports.throwerr = throwerr
|
|
24
|
exports.printerr = printerr
|