Created
October 26, 2020 16:30
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Axios extension class for vuejs
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| import axios from 'axios'; | |
| let t; | |
| export default class AxiosRequest { | |
| constructor(url, requestMethod = 'GET', timeoutSeconds = 3, preload = false) { | |
| this.successData = null; | |
| this.errorMessage = null; | |
| this.isCancel = false; | |
| this.isError = false; | |
| this.isLoading = false; | |
| this.isTimeout = null; | |
| this.lastChange = null; | |
| this.showSuccess = false; | |
| this.showError = false; | |
| this.showCancel = false; | |
| this.cancelSource = null; | |
| this.url = url; | |
| this.requestMethod = requestMethod.toLowerCase(); | |
| this._timeoutSeconds = timeoutSeconds; | |
| this.preload = preload; | |
| this._postData = {}; | |
| this.successCallback = function (d) { | |
| return d; | |
| }; | |
| this.cancelCallback = function (d) { | |
| return d; | |
| }; | |
| this.errorCallback = function (d) { | |
| return d; | |
| }; | |
| this.finallyCallback = function (d) { | |
| return d; | |
| }; | |
| if (!this.isUrl(this.url)) | |
| throw new Error('Ungültige URL.'); | |
| if (!['delete', 'get', 'head', 'options', 'patch', 'post', 'put'].includes(this.requestMethod)) | |
| throw new Error(`Ungültige Request-Methode: ${this.requestMethod}.`); | |
| if (this.preload) | |
| this.request(); | |
| } | |
| get postData() { | |
| return this._postData; | |
| } | |
| set postData(v) { | |
| this._postData = v; | |
| } | |
| get timeoutSeconds() { | |
| return this._timeoutSeconds; | |
| } | |
| set timeoutSeconds(v) { | |
| if (Number.isInteger(v)) | |
| this._timeoutSeconds = v; | |
| } | |
| isUrl = function (url) { | |
| try { | |
| url = new URL(url); | |
| } catch (e) { | |
| return false; | |
| } | |
| return url.protocol === "http:" || url.protocol === "https:" | |
| } | |
| validUrl(url = this.url) { | |
| return new URL(url).href; | |
| } | |
| validPostData(d = this._postData) { | |
| return (Object.keys(d).length > 0) ? d : false; | |
| } | |
| request(data = null) { | |
| clearTimeout(t); | |
| if (data) | |
| this.postData = data; | |
| this.successData = null; | |
| this.errorMessage = null; | |
| this.isCancel = false; | |
| this.isError = false; | |
| this.isLoading = true; | |
| this.isTimeout = false; | |
| this.showSuccess = false; | |
| this.showError = false; | |
| this.showCancel = false; | |
| this.cancelSource = axios.CancelToken.source(); | |
| let config = { | |
| method: this.requestMethod, | |
| url: this.validUrl(), | |
| cancelToken: this.cancelSource.token | |
| }; | |
| if (this.validPostData()) | |
| config.data = this.validPostData(); | |
| axios(config) | |
| .then(response => { | |
| this.successData = response.data; | |
| this.showSuccess = true; | |
| if (typeof this.successCallback === "function") | |
| this.successCallback(response.data); | |
| }) | |
| .catch(error => { | |
| if (axios.isCancel(error)) { | |
| this.isCancel = true; | |
| this.showCancel = true; | |
| if (typeof this.cancelCallback === "function"){ | |
| this.cancelCallback(error); | |
| } | |
| } else { | |
| this.isError = true; | |
| this.showError = true; | |
| if (error.response) { | |
| const e = error.response.request.response; | |
| this.errorMessage = this.isJsonString(e) ? JSON.parse(e) : e; | |
| } else if (error.request) { | |
| this.errorMessage = error.request; | |
| } else { | |
| this.errorMessage = error.message; | |
| } | |
| if (typeof this.errorCallback === "function") | |
| this.errorCallback(error); | |
| } | |
| }) | |
| .finally(() => { | |
| const d = (this.successData) ? this.successData : this.errorMessage; | |
| this.finallyCallback(d); | |
| this.isLoading = false; | |
| this.lastChange = Date.now(); | |
| t = setTimeout(() => { | |
| this.isTimeout = true; | |
| }, this.timeoutSeconds * 1000); | |
| }) | |
| } | |
| cancel() { | |
| if (this.cancelSource === null) | |
| return; | |
| this.cancelSource.cancel(`Operation canceled by the user.`); | |
| } | |
| isJsonString(str) { | |
| try { | |
| JSON.parse(str); | |
| } catch (e) { | |
| return false; | |
| } | |
| return true; | |
| } | |
| } |
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