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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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