105 lines
3.4 KiB
JavaScript
105 lines
3.4 KiB
JavaScript
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import { requestConfig } from './common.js'
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// attention: the success/fail/complete handler here for global or custom config in request is just for uni.request's success/fail/complete.
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// it's not meaning the status of 200-300. status 400 from server is also success in uni.request
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export default class Request {
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constructor(config={}, reqInterceptor=null, resInterceptor=null, successHandler=null, failHandler=null, completeHandler=null) {
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// base
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this.baseUrl = config.baseUrl
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// #ifdef H5
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// this.baseUrl = '/api/'
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// #endif
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// this.header = config.header || {"Content-Type": "application/json;charset=UTF-8"},
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this.header = config.header || {"Content-Type": "application/x-www-form-urlencoded"},
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// global callback for success/fail/complete. They are also response interceptors.
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this.success = successHandler
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this.fail = failHandler
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this.complete = completeHandler
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// interceptors
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this.requestInterceptor = reqInterceptor
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this.responseInterceptor = resInterceptor
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}
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// type: request/upload/download.
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// the success/fail/complete handler will not override the global, it will just call after global
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async request(options, successHandler=null, failHandler=null, completeHandler=null) {
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const task = options.task || false
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const type = options.type || "request"
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// delete options.task
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let config = null
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try{
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config = await requestConfig(this, options, successHandler, failHandler, completeHandler)
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}catch(e){
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// reject the error
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return Promise.reject(e)
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}
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if (!config || typeof config != 'object') {
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// reject a blank object, if we do not reject it, it will be resolved
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return Promise.reject({})
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}
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const that = this
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if (task) {
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config["success"] = (response) => {
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if (that.responseInterceptor) {
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that.responseInterceptor(response, config)
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}
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that.success && that.success(response)
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successHandler && successHandler(response)
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}
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config["fail"] = (response) => {
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that.fail && that.fail(response)
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failHandler && failHandler(response)
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}
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config["complete"] = (response) => {
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that.complete && that.complete(response)
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completeHandler && completeHandler(response)
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}
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if (type === "request") {
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return uni.request(config)
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} else if (type === "upload") {
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return uni.uploadFile(config)
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} else {
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return uni.downloadFile(config)
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}
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return
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}
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return new Promise((resolve, reject)=>{
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config["success"] = (response) => {
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let _res = null
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if (that.responseInterceptor) {
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_res = that.responseInterceptor(response, config)
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}
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that.success && that.success(response)
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successHandler && successHandler(response)
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// use wakaryReqToReject to judge if reject or resolve
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// now we can reject and resolve any what we want
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if (_res.wakaryReqToReject) {
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delete _res.wakaryReqToReject
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reject(_res)
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} else {
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resolve(_res)
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}
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}
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config["fail"] = (error) => {
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that.fail && that.fail(error)
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failHandler && failHandler(error)
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// it just return the fail error
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// you could change it into your style
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reject(error)
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}
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config["complete"] = (response) => {
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that.complete && that.complete(response)
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completeHandler && completeHandler(response)
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}
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if (type === "request") {
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uni.request(config)
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} else if (type === "upload") {
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uni.uploadFile(config)
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} else {
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uni.downloadFile(config)
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}
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})
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}
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}
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