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