You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
25 lines
803 B
25 lines
803 B
4 years ago
|
# Delegates to `succ` on sucecss or to `fail` on error
|
||
|
|
# ex: Thing.load 123, iferr cb, (thing) -> ...
|
||
|
|
iferr = (fail, succ) -> (err, a...) ->
|
||
|
|
if err? then fail err
|
||
|
|
else succ? a...
|
||
|
|
|
||
|
|
# Like iferr, but also catches errors thrown from `succ` and passes to `fail`
|
||
|
|
tiferr = (fail, succ) -> iferr fail, (a...) ->
|
||
|
|
try succ a...
|
||
|
|
catch err then fail err
|
||
|
|
|
||
|
|
# Delegate to the success function on success, or throw the error otherwise
|
||
|
|
# ex: Thing.load 123, throwerr (thing) -> ...
|
||
|
|
throwerr = iferr.bind null, (err) -> throw err
|
||
|
|
|
||
|
|
# Prints errors when one is passed, or does nothing otherwise
|
||
|
|
# ex: thing.save printerr
|
||
|
|
printerr = iferr (err) -> console.error err.stack or err
|
||
|
|
|
||
|
|
module.exports = exports = iferr
|
||
|
|
exports.iferr = iferr
|
||
|
|
exports.tiferr = tiferr
|
||
|
|
exports.throwerr = throwerr
|
||
|
|
exports.printerr = printerr
|