71 lines
1.3 KiB
JavaScript
71 lines
1.3 KiB
JavaScript
// This file should be ES5 compatible
|
|
/* eslint prefer-spread:0, no-var:0, prefer-reflect:0, no-magic-numbers:0 */
|
|
'use strict'
|
|
|
|
module.exports = (function () {
|
|
// Import Events
|
|
var events = require('events')
|
|
|
|
// Export Domain
|
|
var domain = {}
|
|
domain.createDomain = domain.create = function () {
|
|
var d = new events.EventEmitter()
|
|
|
|
function emitError (e) {
|
|
d.emit('error', e)
|
|
}
|
|
|
|
d.add = function (emitter) {
|
|
emitter.on('error', emitError)
|
|
}
|
|
d.remove = function (emitter) {
|
|
emitter.removeListener('error', emitError)
|
|
}
|
|
d.bind = function (fn) {
|
|
return function () {
|
|
var args = Array.prototype.slice.call(arguments)
|
|
try {
|
|
fn.apply(null, args)
|
|
}
|
|
catch (err) {
|
|
emitError(err)
|
|
}
|
|
}
|
|
}
|
|
d.intercept = function (fn) {
|
|
return function (err) {
|
|
if ( err ) {
|
|
emitError(err)
|
|
}
|
|
else {
|
|
var args = Array.prototype.slice.call(arguments, 1)
|
|
try {
|
|
fn.apply(null, args)
|
|
}
|
|
catch (err) {
|
|
emitError(err)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
d.run = function (fn) {
|
|
try {
|
|
fn()
|
|
}
|
|
catch (err) {
|
|
emitError(err)
|
|
}
|
|
return this
|
|
}
|
|
d.dispose = function () {
|
|
this.removeAllListeners()
|
|
return this
|
|
}
|
|
d.enter = d.exit = function () {
|
|
return this
|
|
}
|
|
return d
|
|
}
|
|
return domain
|
|
}).call(this)
|