JuanCanham/HackMyResume
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Code Issues Releases Wiki Activity

Improve proc spawn behavior.

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Interim until async / promises support is in.
This commit is contained in:
hacksalot
2016-02-01 09:25:22 -05:00
parent 36d641801b
commit 212b01092c
8 changed files with 75 additions and 95 deletions
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18
src/utils/safe-spawn.coffee
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@ -4,7 +4,9 @@ Safe spawn utility for HackMyResume / FluentCV.
@license MIT. See LICENSE.md for details.
###
module.exports = ( cmd, args, isSync, callback ) ->
###* Safely spawn a process synchronously or asynchronously without throwing an
exception ###
module.exports = ( cmd, args, isSync, callback, param ) ->
try
@ -12,17 +14,17 @@ module.exports = ( cmd, args, isSync, callback ) ->
spawn = require('child_process')[ if isSync then 'spawnSync' else 'spawn'];
info = spawn cmd, args
# Check for error depending on whether we're sync or async
# Check for error depending on whether we're sync or async TODO: Promises
if !isSync
info.on 'error', (err) ->
if callback? then callback err; return
else throw cmd: cmd, inner: err
callback?(err, param)
return
return
else
if info.error
if callback? then callback err; return
else throw cmd: cmd, inner: info.error
callback?(info.error, param)
return cmd: cmd, inner: info.error
catch
if callback? then callback _error
else throw _error
callback?(_error, param)
_error