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util.js
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util.js
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var crypto = require('crypto')
function send (res, code, message, payload) {
var _payload = {}
if(payload) {
_payload = payload
}
res.send({code: code, message: message, payload: _payload})
}
exports.send = function (res, code, message, payload) {
send(res, code, message, payload)
}
exports.ok = function (res, message, payload) {
send(res, 200, message, payload)
}
exports.err = function (res, message, payload) {
send(res, 400, message, payload)
}
exports.randomString = function (len) {
return crypto.randomBytes(Math.floor(len/2)).toString('hex')
}
var isInt = function(n) {
return n % 1 === 0
}
var isFloat = function(n) {
return Number(n) === n && n % 1 !== 0
}
exports.isNumber = function(n) {
return isFloat(n) || isInt(n)
}