Mailspring/src/task-bootstrap.coffee

49 lines
1.2 KiB
CoffeeScript

{userAgent, taskPath} = process.env
handler = null
setupGlobals = ->
global.attachEvent = ->
console =
warn: -> emit 'task:warn', arguments...
log: -> emit 'task:log', arguments...
error: -> emit 'task:error', arguments...
trace: ->
global.__defineGetter__ 'console', -> console
global.document =
createElement: ->
setAttribute: ->
getElementsByTagName: -> []
appendChild: ->
documentElement:
insertBefore: ->
removeChild: ->
getElementById: -> {}
createComment: -> {}
createDocumentFragment: -> {}
global.emit = (event, args...) ->
process.send({event, args})
global.navigator = {userAgent}
global.window = global
handleEvents = ->
process.on 'unhandledRejection', (reason, promise) ->
console.error(reason.stack, promise)
process.on 'uncaughtException', (error) ->
console.error(error.message, error.stack)
process.on 'message', ({event, args}={}) ->
return unless event is 'start'
isAsync = false
async = ->
isAsync = true
(result) ->
emit('task:completed', result)
result = handler.bind({async})(args...)
emit('task:completed', result) unless isAsync
setupGlobals()
handleEvents()
handler = require(taskPath)