| # 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 |
