90 lines
2.0 KiB
JavaScript
90 lines
2.0 KiB
JavaScript
'use strict'
|
|
|
|
var extend = require('util')._extend
|
|
, jsonSafeStringify = require('json-stringify-safe')
|
|
, crypto = require('crypto')
|
|
|
|
function deferMethod() {
|
|
if(typeof setImmediate === 'undefined') {
|
|
return process.nextTick
|
|
}
|
|
|
|
return setImmediate
|
|
}
|
|
|
|
function constructObject(initialObject) {
|
|
initialObject = initialObject || {}
|
|
|
|
return {
|
|
extend: function (object) {
|
|
return constructObject(extend(initialObject, object))
|
|
},
|
|
done: function () {
|
|
return initialObject
|
|
}
|
|
}
|
|
}
|
|
|
|
function constructOptionsFrom(uri, options) {
|
|
var params = constructObject()
|
|
if (typeof options === 'object') {
|
|
params.extend(options).extend({uri: uri})
|
|
} else if (typeof uri === 'string') {
|
|
params.extend({uri: uri})
|
|
} else {
|
|
params.extend(uri)
|
|
}
|
|
return params.done()
|
|
}
|
|
|
|
function isFunction(value) {
|
|
return typeof value === 'function'
|
|
}
|
|
|
|
function filterForCallback(values) {
|
|
var callbacks = values.filter(isFunction)
|
|
return callbacks[0]
|
|
}
|
|
|
|
function paramsHaveRequestBody(params) {
|
|
return (
|
|
params.options.body ||
|
|
params.options.requestBodyStream ||
|
|
(params.options.json && typeof params.options.json !== 'boolean') ||
|
|
params.options.multipart
|
|
)
|
|
}
|
|
|
|
function safeStringify (obj) {
|
|
var ret
|
|
try {
|
|
ret = JSON.stringify(obj)
|
|
} catch (e) {
|
|
ret = jsonSafeStringify(obj)
|
|
}
|
|
return ret
|
|
}
|
|
|
|
function md5 (str) {
|
|
return crypto.createHash('md5').update(str).digest('hex')
|
|
}
|
|
|
|
function isReadStream (rs) {
|
|
return rs.readable && rs.path && rs.mode
|
|
}
|
|
|
|
function toBase64 (str) {
|
|
return (new Buffer(str || '', 'ascii')).toString('base64')
|
|
}
|
|
|
|
exports.isFunction = isFunction
|
|
exports.constructObject = constructObject
|
|
exports.constructOptionsFrom = constructOptionsFrom
|
|
exports.filterForCallback = filterForCallback
|
|
exports.paramsHaveRequestBody = paramsHaveRequestBody
|
|
exports.safeStringify = safeStringify
|
|
exports.md5 = md5
|
|
exports.isReadStream = isReadStream
|
|
exports.toBase64 = toBase64
|
|
exports.defer = deferMethod()
|