w-comor-hapi
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A http communicator in nodejs and browser. Mapping functions from nodejs to other end points, like a simple RPC.
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<h2><a href="index.html">Home</a></h2><h3>Global</h3><ul><li><a href="global.html#WComorHapiClient">WComorHapiClient</a></li><li><a href="global.html#WComorHapiServer">WComorHapiServer</a></li></ul>
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<h1 class="page-title">WComorHapiClient.mjs</h1>
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<pre class="prettyprint source linenums"><code>import axios from 'axios'
import get from 'lodash-es/get.js'
import set from 'lodash-es/set.js'
import genPm from 'wsemi/src/genPm.mjs'
import isfun from 'wsemi/src/isfun.mjs'
import haskey from 'wsemi/src/haskey.mjs'
//import clearXSS from 'wsemi/src/clearXSS.mjs'
import genID from 'wsemi/src/genID.mjs'
/**
* 建立http API使用者(Node.js與Browser)端物件
*
* @param {Object} opt 輸入設定參數物件
* @param {String} [opt.url='http://localhost:8080/api'] 輸入http API伺服器網址，預設為'http://localhost:8080/api'
* @param {String} [opt.token='*'] 輸入使用者認證用token，預設為'*'
* @param {Function} opt.error 輸入監聽error函數
* @param {Function} opt.reconn 輸入監聽reconn函數
* @returns {Promise} 回傳Promise，resolve為映射伺服器端可用函數之物件，各函數輸入皆為單一物件，各函數回傳皆為Promise，用resolve與reject處理回傳結果
* @example
*
* import WComorHapiClient from 'w-comor-hapi/dist/ws-client-node.umd.js'
*
* //opt
* let opt = {
* url: 'http://localhost:8080/api',
* token: '*',
* error: function(err) {
* console.log('client: error:', err)
* },
* reconn: function() {
* console.log('client: reconn')
* },
* }
*
* //WComorHapiClient
* new WComorHapiClient(opt)
* .then(function(wo) {
* console.log('client: funcs: ', wo)
*
* function core(ps) {
* wo.group.plus(ps)
* .then(function(r) {
* console.log('client: plus(' + JSON.stringify(ps) + ')=' + r)
* })
* .catch(function(err) {
* console.log('client: plus: catch: ', err)
* })
* wo.group.div(ps)
* .then(function(r) {
* console.log('client: div(' + JSON.stringify(ps) + ')=' + r)
* })
* .catch(function(err) {
* console.log('client: div: catch: ', err)
* })
* wo.add(ps)
* .then(function(r) {
* console.log(`client: add(${JSON.stringify(ps)})=${r}`)
* })
* .catch(function(err) {
* console.log('client: add: catch: ', err)
* })
* wo.minu(ps)
* .then(function(r) {
* console.log(`client: minu(${JSON.stringify(ps)})=${r}`)
* })
* .catch(function(err) {
* console.log('client: minu: catch: ', err)
* })
* }
*
* let i = 100
* setInterval(function() {
* i += 1
* core({
* p1: i,
* p2: 10,
* })
* }, 1000)
*
* })
* .catch(function(err) {
* console.log('client: catch', err)
* })
*
*/
function WComorHapiClient(opt) {
let pm = genPm()
let wo = {} //回傳操作物件
let clientId = genID() //供伺服器識別真實連線使用者
function core() {
//default
if (!opt.url) {
opt.url = 'http://localhost:8080/api'
}
if (!opt.token) {
opt.token = '*'
}
//aj
function aj(data, mode) {
let pmm = genPm()
//data to json string
// if (mode !== 'upload file') {
// data = JSON.stringify(data)
// }
// //clearXSS
// data = clearXSS(data)
//s
let s = {
method: 'POST',
url: opt.url,
data,
// onUploadProgress: function(ev) {
// let p = ev.loaded
// let r = 0
// if (ev.lengthComputable) {
// r = (ev.loaded * 100) / ev.total
// }
// if (isfun(opt.onUploadProgress)) {
// opt.onUploadProgress(Math.floor(r), r, p, 'upload')
// }
// },
// onDownloadProgress: function (ev) {
// let p = ev.loaded
// let r = 0
// if (ispint(opt.downloadFileSize)) {
// r = (ev.loaded * 100) / (opt.downloadFileSize * 1024)
// }
// if (isfun(opt.onDownloadProgress)) {
// opt.onDownloadProgress(Math.floor(r), r, p, 'download')
// }
// },
}
//add Content-Type
if (mode === 'upload file') {
s['headers'] = {
'Content-Type': 'multipart/form-data'
}
}
//add responseType
if (mode === 'download file') {
s['responseType'] = 'blob'
}
//axios
axios(s)
.then(function(res) {
//console.log('aj then', res, res.data.output)
pmm.resolve(res.data.output)
})
.catch(function(res) {
//console.log('aj catch', res)
let err = get(res, 'response.data')
if (err) {
res = err
}
else {
res = 'can not connection'
}
pmm.reject(res)
})
return pmm
}
//execFunction
function execFunction(func, input = null) {
//data
let data = {
clientId,
token: opt.token,
func,
input,
}
//mode
let mode = ''
if (get(input, 'mode')) {
mode = input.mode
}
//aj
return aj(data, mode)
}
//getFuncs
execFunction('getFuncs')
.then(function (data) {
//get sys funcs
if (get(data, 'sys') === 'sys' && haskey(data, 'funcs')) {
//funcs
let funcs = data['funcs']
//clear wo
wo = {}
//bind funcs
for (let i = 0; i < funcs.length; i++) {
//func
let func = funcs[i]
//add func
let f = function(input) {
return execFunction(func, input)
}
set(wo, func, f)
}
//resolve
pm.resolve(wo)
}
else {
let err = 'no funcs'
if (isfun(opt.error)) {
opt.error(err)
}
reconn()
//pm.reject(err) //不能reject否則無法reconn
}
})
.catch(function(err) {
if (isfun(opt.error)) {
opt.error(err)
}
reconn()
//pm.reject(err) //不能reject否則無法reconn
})
}
function reconn() {
setTimeout(function() {
if (isfun(opt.reconn)) {
opt.reconn()
}
core()
}, 1000)
}
//core
core()
return pm
}
export default WComorHapiClient
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