aaac7fed
 liuqimichale
add
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// 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)
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