| |
| |
| |
| |
| |
| |
| 'use strict' |
|
|
| |
| |
| |
| |
|
|
| var EventEmitter = require('events').EventEmitter |
|
|
| |
| |
| |
| |
|
|
| lazyProperty(module.exports, 'callSiteToString', function callSiteToString () { |
| var limit = Error.stackTraceLimit |
| var obj = {} |
| var prep = Error.prepareStackTrace |
|
|
| function prepareObjectStackTrace (obj, stack) { |
| return stack |
| } |
|
|
| Error.prepareStackTrace = prepareObjectStackTrace |
| Error.stackTraceLimit = 2 |
|
|
| |
| Error.captureStackTrace(obj) |
|
|
| |
| var stack = obj.stack.slice() |
|
|
| Error.prepareStackTrace = prep |
| Error.stackTraceLimit = limit |
|
|
| return stack[0].toString ? toString : require('./callsite-tostring') |
| }) |
|
|
| lazyProperty(module.exports, 'eventListenerCount', function eventListenerCount () { |
| return EventEmitter.listenerCount || require('./event-listener-count') |
| }) |
|
|
| |
| |
| |
|
|
| function lazyProperty (obj, prop, getter) { |
| function get () { |
| var val = getter() |
|
|
| Object.defineProperty(obj, prop, { |
| configurable: true, |
| enumerable: true, |
| value: val |
| }) |
|
|
| return val |
| } |
|
|
| Object.defineProperty(obj, prop, { |
| configurable: true, |
| enumerable: true, |
| get: get |
| }) |
| } |
|
|
| |
| |
| |
|
|
| function toString (obj) { |
| return obj.toString() |
| } |
|
|
