module.exports = Deferred | |
var P | |
/* istanbul ignore next */ | |
try { | |
P = Promise | |
} catch (er) { | |
try { | |
P = require('bluebird') | |
} catch (er) { | |
throw new Error('this module requires a Promise implementation. ' + | |
'Try installing bluebird.') | |
} | |
} | |
function Deferred () { | |
this.resolve = null | |
this.reject = null | |
this.promise = new P(function (resolve, reject) { | |
this.reject = reject | |
this.resolve = resolve | |
}.bind(this)) | |
} |