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/*!
* depd
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var EventEmitter = require('events').EventEmitter
/**
* Module exports.
* @public
*/
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
// capture the stack
Error.captureStackTrace(obj)
// slice the stack
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')
})
/**
* Define a lazy property.
*/
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
})
}
/**
* Call toString() on the obj
*/
function toString (obj) {
return obj.toString()
}
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