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axios

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Promise based HTTP client for the browser and node.js

New axios docs website: click here

Table of Contents

  • Features
  • Browser Back up
  • Installing
  • Case
  • Axios API
  • Request method aliases
  • Concurrency 👎
  • Creating an instance
  • Case methods
  • Request Config
  • Response Schema
  • Config Defaults
    • Global axios defaults
    • Custom instance defaults
    • Config order of precedence
  • Interceptors
    • Multiple Interceptors
  • Handling Errors
  • Cancellation
    • AbortController
    • CancelToken 👎
  • Using application/10-www-course-urlencoded format
    • Browser
    • Node.js
      • Query string
      • Form data
        • Automatic serialization
        • Manual FormData passing
  • Semver
  • Promises
  • TypeScript
  • Resources
  • Credits
  • License

Features

  • Make XMLHttpRequests from the browser
  • Brand http requests from node.js
  • Supports the Promise API
  • Intercept request and response
  • Transform request and response data
  • Cancel requests
  • Automatic transforms for JSON data
  • Customer side support for protecting against XSRF

Browser Support

Chrome Firefox Safari Opera Edge IE
Latest Latest Latest Latest Latest 11

Browser Matrix

Installing

Using npm:

Using bower:

Using yarn:

Using jsDelivr CDN:

              <              script              src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js">              </              script              >            

Using unpkg CDN:

              <              script              src="https://unpkg.com/axios/dist/axios.min.js">              </              script              >            

Example

note: CommonJS usage

In guild to proceeds the TypeScript typings (for intellisense / autocomplete) while using CommonJS imports with require() employ the post-obit approach:

              const              axios              =              require              (              'axios'              )              .              default              ;              // axios.<method> will now provide autocomplete and parameter typings            

Performing a Get asking

              const              axios              =              require              (              'axios'              )              .              default              ;              // Make a request for a user with a given ID              axios              .              get              (              '/user?ID=12345'              )              .              then              (              office              (              response              )              {              // handle success              panel              .              log              (              response              )              ;              }              )              .              grab              (              office              (              error              )              {              // handle fault              panel              .              log              (              fault              )              ;              }              )              .              and so              (              office              (              )              {              // always executed              }              )              ;              // Optionally the request above could too be done equally              axios              .              get              (              '/user'              ,              {              params:              {              ID:              12345              }              }              )              .              so              (              part              (              response              )              {              panel              .              log              (              response              )              ;              }              )              .              catch              (              part              (              error              )              {              console              .              log              (              error              )              ;              }              )              .              then              (              role              (              )              {              // always executed              }              )              ;              // Want to use async/wait? Add the `async` keyword to your outer function/method.              async              function              getUser              (              )              {              effort              {              const              response              =              look              axios              .              get              (              '/user?ID=12345'              )              ;              panel              .              log              (              response              )              ;              }              catch              (              error              )              {              panel              .              error              (              error              )              ;              }              }            

Note: async/await is part of ECMAScript 2017 and is not supported in Internet Explorer and older browsers, so apply with caution.

Performing a POST request

              axios              .              mail service              (              '/user'              ,              {              firstName:              'Fred'              ,              lastName:              'Flint'              }              )              .              so              (              function              (              response              )              {              console              .              log              (              response              )              ;              }              )              .              catch              (              function              (              error              )              {              console              .              log              (              mistake              )              ;              }              )              ;            

Performing multiple concurrent requests

              function              getUserAccount              (              )              {              return              axios              .              go              (              '/user/12345'              )              ;              }              function              getUserPermissions              (              )              {              return              axios              .              get              (              '/user/12345/permissions'              )              ;              }              Promise              .              all              (              [              getUserAccount              (              )              ,              getUserPermissions              (              )              ]              )              .              then              (              office              (              results              )              {              const              acct              =              results              [              0              ]              ;              const              perm              =              results              [              one              ]              ;              }              )              ;            

axios API

Requests can be fabricated past passing the relevant config to axios.

axios(config)
              // Send a Mail service request              axios              (              {              method:              'post'              ,              url:              '/user/12345'              ,              data:              {              firstName:              'Fred'              ,              lastName:              'Flintstone'              }              }              )              ;            
              // GET request for remote image in node.js              axios              (              {              method:              'get'              ,              url:              'http://bit.ly/2mTM3nY'              ,              responseType:              'stream'              }              )              .              then              (              part              (              response              )              {              response              .              data              .              pipe              (              fs              .              createWriteStream              (              'ada_lovelace.jpg'              )              )              }              )              ;            
axios(url[, config])
              // Send a GET request (default method)              axios              (              '/user/12345'              )              ;            

Request method aliases

For convenience, aliases take been provided for all common request methods.

axios.request(config)
axios.get(url[, config])
axios.delete(url[, config])
axios.caput(url[, config])
axios.options(url[, config])
axios.post(url[, data[, config]])
axios.put(url[, data[, config]])
axios.patch(url[, information[, config]])
NOTE

When using the alias methods url, method, and data properties don't need to exist specified in config.

Concurrency (Deprecated)

Please use Promise.all to replace the below functions.

Helper functions for dealing with concurrent requests.

axios.all(iterable) axios.spread(callback)

Creating an instance

Yous can create a new example of axios with a custom config.

axios.create([config])
              const              example              =              axios              .              create              (              {              baseURL:              'https://some-domain.com/api/'              ,              timeout:              1000              ,              headers:              {              'X-Custom-Header':              'foobar'              }              }              )              ;            

Case methods

The available instance methods are listed below. The specified config will be merged with the instance config.

axios#request(config)
axios#get(url[, config])
axios#delete(url[, config])
axios#head(url[, config])
axios#options(url[, config])
axios#mail service(url[, data[, config]])
axios#put(url[, data[, config]])
axios#patch(url[, data[, config]])
axios#getUri([config])

Request Config

These are the available config options for making requests. Only the url is required. Requests will default to GET if method is not specified.

              {              // `url` is the server URL that will exist used for the asking              url:              '/user'              ,              // `method` is the request method to be used when making the request              method:              'get'              ,              // default              // `baseURL` will be prepended to `url` unless `url` is absolute.              // Information technology can be convenient to prepare `baseURL` for an example of axios to pass relative URLs              // to methods of that instance.              baseURL:              'https://some-domain.com/api/'              ,              // `transformRequest` allows changes to the request data before it is sent to the server              // This is only applicable for request methods 'PUT', 'POST', 'PATCH' and 'DELETE'              // The last part in the array must render a string or an instance of Buffer, ArrayBuffer,              // FormData or Stream              // You may modify the headers object.              transformRequest:              [              function              (              data              ,              headers              )              {              // Do whatsoever you want to transform the data              render              information              ;              }              ]              ,              // `transformResponse` allows changes to the response data to exist made before              // it is passed to then/take hold of              transformResponse:              [              office              (              data              )              {              // Practice whatever you want to transform the data              return              data              ;              }              ]              ,              // `headers` are custom headers to be sent              headers:              {              'Ten-Requested-With':              'XMLHttpRequest'              }              ,              // `params` are the URL parameters to be sent with the request              // Must be a patently object or a URLSearchParams object              params:              {              ID:              12345              }              ,              // `paramsSerializer` is an optional function in charge of serializing `params`              // (e.g. https://www.npmjs.com/parcel/qs, http://api.jquery.com/jquery.param/)              paramsSerializer:              function              (              params              )              {              return              Qs              .              stringify              (              params              ,              {              arrayFormat:              'brackets'              }              )              }              ,              // `information` is the data to be sent every bit the request body              // Just applicable for request methods 'PUT', 'Mail', 'DELETE , and 'PATCH'              // When no `transformRequest` is set, must be of one of the following types:              // - string, plain object, ArrayBuffer, ArrayBufferView, URLSearchParams              // - Browser but: FormData, File, Hulk              // - Node only: Stream, Buffer              data:              {              firstName:              'Fred'              }              ,              // syntax alternative to send data into the body              // method post              // simply the value is sent, not the primal              data:              'State=Brasil&City=Belo Horizonte'              ,              // `timeout` specifies the number of milliseconds earlier the asking times out.              // If the request takes longer than `timeout`, the request will exist aborted.              timeout:              yard              ,              // default is `0` (no timeout)              // `withCredentials` indicates whether or non cross-site Access-Control requests              // should be made using credentials              withCredentials:              false              ,              // default              // `adapter` allows custom treatment of requests which makes testing easier.              // Render a promise and supply a valid response (see lib/adapters/README.md).              adapter:              function              (              config              )              {              /* ... */              }              ,              // `auth` indicates that HTTP Basic auth should be used, and supplies credentials.              // This will prepare an `Authorization` header, overwriting whatsoever existing              // `Authority` custom headers you have set using `headers`.              // Delight note that only HTTP Basic auth is configurable through this parameter.              // For Bearer tokens and such, use `Authorization` custom headers instead.              auth:              {              username:              'janedoe'              ,              password:              's00pers3cret'              }              ,              // `responseType` indicates the blazon of data that the server will reply with              // options are: 'arraybuffer', 'document', 'json', 'text', 'stream'              //   browser only: 'hulk'              responseType:              'json'              ,              // default              // `responseEncoding` indicates encoding to employ for decoding responses (Node.js only)              // Note: Ignored for `responseType` of 'stream' or customer-side requests              responseEncoding:              'utf8'              ,              // default              // `xsrfCookieName` is the proper name of the cookie to use as a value for xsrf token              xsrfCookieName:              'XSRF-TOKEN'              ,              // default              // `xsrfHeaderName` is the proper name of the http header that carries the xsrf token value              xsrfHeaderName:              'X-XSRF-TOKEN'              ,              // default              // `onUploadProgress` allows handling of progress events for uploads              // browser only              onUploadProgress:              function              (              progressEvent              )              {              // Do whatever you want with the native progress result              }              ,              // `onDownloadProgress` allows handling of progress events for downloads              // browser only              onDownloadProgress:              function              (              progressEvent              )              {              // Exercise whatever you want with the native progress issue              }              ,              // `maxContentLength` defines the max size of the http response content in bytes immune in node.js              maxContentLength:              2000              ,              // `maxBodyLength` (Node only selection) defines the max size of the http request content in bytes allowed              maxBodyLength:              2000              ,              // `validateStatus` defines whether to resolve or reject the hope for a given              // HTTP response status code. If `validateStatus` returns `truthful` (or is set to `nothing`              // or `undefined`), the hope will be resolved; otherwise, the hope volition be              // rejected.              validateStatus:              function              (              status              )              {              render              status              >=              200              &&              status              <              300              ;              // default              }              ,              // `maxRedirects` defines the maximum number of redirects to follow in node.js.              // If set to 0, no redirects will be followed.              maxRedirects:              21              ,              // default              // `beforeRedirect` defines a role that will be called before redirect.              // Employ this to adjust the asking options upon redirecting,              // to audit the latest response headers,              // or to cancel the request by throwing an error              // If maxRedirects is set to 0, `beforeRedirect` is not used.              beforeRedirect:              (              options              ,              {              headers              }              )              =>              {              if              (              options              .              hostname              ===              "example.com"              )              {              options              .              auth              =              "user:password"              ;              }              }              ;              // `socketPath` defines a UNIX Socket to be used in node.js.              // e.thousand. '/var/run/docker.sock' to ship requests to the docker daemon.              // Only either `socketPath` or `proxy` can be specified.              // If both are specified, `socketPath` is used.              socketPath:              aught              ,              // default              // `httpAgent` and `httpsAgent` define a custom agent to be used when performing http              // and https requests, respectively, in node.js. This allows options to be added like              // `keepAlive` that are not enabled by default.              httpAgent:              new              http              .              Amanuensis              (              {              keepAlive:              truthful              }              )              ,              httpsAgent:              new              https              .              Agent              (              {              keepAlive:              true              }              )              ,              // `proxy` defines the hostname, port, and protocol of the proxy server.              // You can also define your proxy using the conventional `http_proxy` and              // `https_proxy` environs variables. If you are using environment variables              // for your proxy configuration, you lot can too define a `no_proxy` surround              // variable as a comma-separated list of domains that should not exist proxied.              // Use `false` to disable proxies, ignoring surround variables.              // `auth` indicates that HTTP Basic auth should be used to connect to the proxy, and              // supplies credentials.              // This volition set up an `Proxy-Authorization` header, overwriting whatever existing              // `Proxy-Authorization` custom headers you have set using `headers`.              // If the proxy server uses HTTPS, then you must set the protocol to `https`.                            proxy:              {              protocol:              'https'              ,              host:              '127.0.0.1'              ,              port:              9000              ,              auth:              {              username:              'mikeymike'              ,              countersign:              'rapunz3l'              }              }              ,              // `cancelToken` specifies a cancel token that can exist used to cancel the request              // (see Cancellation section below for details)              cancelToken:              new              CancelToken              (              function              (              cancel              )              {              }              )              ,              // an alternative way to cancel Axios requests using AbortController              signal:              new              AbortController              (              )              .              signal              ,              // `decompress` indicates whether or not the response body should be decompressed                            // automatically. If set to `true` will also remove the 'content-encoding' header                            // from the responses objects of all decompressed responses              // - Node merely (XHR cannot turn off decompression)              decompress:              true              // default              // `insecureHTTPParser` boolean.              // Indicates where to employ an insecure HTTP parser that accepts invalid HTTP headers.              // This may allow interoperability with non-conformant HTTP implementations.              // Using the insecure parser should be avoided.              // see options https://nodejs.org/dist/latest-v12.ten/docs/api/http.html#http_http_request_url_options_callback              // meet besides https://nodejs.org/en/web log/vulnerability/february-2020-security-releases/#strict-http-header-parsing-none              insecureHTTPParser:              undefined              // default              // transitional options for backward compatibility that may be removed in the newer versions              transitional:              {              // silent JSON parsing mode              // `true`  - ignore JSON parsing errors and prepare response.information to zero if parsing failed (former behaviour)              // `false` - throw SyntaxError if JSON parsing failed (Note: responseType must be gear up to 'json')              silentJSONParsing:              truthful              ,              // default value for the current Axios version              // effort to parse the response string equally JSON even if `responseType` is not 'json'              forcedJSONParsing:              true              ,              // throw ETIMEDOUT error instead of generic ECONNABORTED on request timeouts              clarifyTimeoutError:              simulated              ,              }              ,              env:              {              // The FormData class to be used to automatically serialize the payload into a FormData object              FormData:              window              ?.              FormData              ||              global              ?.              FormData              }              }            

Response Schema

The response for a request contains the following information.

              {              // `information` is the response that was provided past the server              data:              {              }              ,              // `condition` is the HTTP condition code from the server response              status:              200              ,              // `statusText` is the HTTP status message from the server response              statusText:              'OK'              ,              // `headers` the HTTP headers that the server responded with              // All header names are lower cased and tin can be accessed using the bracket notation.              // Example: `response.headers['content-type']`              headers:              {              }              ,              // `config` is the config that was provided to `axios` for the request              config:              {              }              ,              // `request` is the request that generated this response              // Information technology is the concluding ClientRequest instance in node.js (in redirects)              // and an XMLHttpRequest instance in the browser              request:              {              }              }            

When using so, y'all will receive the response as follows:

              axios              .              get              (              '/user/12345'              )              .              then              (              part              (              response              )              {              console              .              log              (              response              .              information              )              ;              console              .              log              (              response              .              status              )              ;              panel              .              log              (              response              .              statusText              )              ;              panel              .              log              (              response              .              headers              )              ;              panel              .              log              (              response              .              config              )              ;              }              )              ;            

When using catch, or passing a rejection callback equally second parameter of and then, the response will be bachelor through the error object equally explained in the Treatment Errors section.

Config Defaults

You tin specify config defaults that will be applied to every request.

Global axios defaults

              axios              .              defaults              .              baseURL              =              'https://api.example.com'              ;              // Important: If axios is used with multiple domains, the AUTH_TOKEN volition be sent to all of them.              // Encounter beneath for an example using Custom instance defaults instead.              axios              .              defaults              .              headers              .              common              [              'Authorization'              ]              =              AUTH_TOKEN              ;              axios              .              defaults              .              headers              .              post              [              'Content-Type'              ]              =              'application/ten-www-grade-urlencoded'              ;            

Custom example defaults

              // Ready config defaults when creating the instance              const              instance              =              axios              .              create              (              {              baseURL:              'https://api.example.com'              }              )              ;              // Alter defaults after instance has been created              case              .              defaults              .              headers              .              common              [              'Authorization'              ]              =              AUTH_TOKEN              ;            

Config order of precedence

Config will be merged with an order of precedence. The order is library defaults constitute in lib/defaults.js, then defaults property of the instance, and finally config argument for the request. The latter volition accept precedence over the former. Here'southward an example.

              // Create an instance using the config defaults provided past the library              // At this signal the timeout config value is `0` equally is the default for the library              const              instance              =              axios              .              create              (              )              ;              // Override timeout default for the library              // At present all requests using this instance will wait 2.5 seconds before timing out              instance              .              defaults              .              timeout              =              2500              ;              // Override timeout for this request equally it's known to take a long time              case              .              go              (              '/longRequest'              ,              {              timeout:              5000              }              )              ;            

Interceptors

You can intercept requests or responses before they are handled by then or take hold of.

              // Add a request interceptor              axios              .              interceptors              .              request              .              use              (              function              (              config              )              {              // Do something before request is sent              render              config              ;              }              ,              function              (              error              )              {              // Do something with request mistake              return              Promise              .              reject              (              error              )              ;              }              )              ;              // Add a response interceptor              axios              .              interceptors              .              response              .              employ              (              part              (              response              )              {              // Any status code that lie within the range of 2xx crusade this office to trigger              // Do something with response data              return              response              ;              }              ,              function              (              fault              )              {              // Any status codes that falls outside the range of 2xx cause this office to trigger              // Practice something with response error              return              Promise              .              pass up              (              mistake              )              ;              }              )              ;            

If y'all need to remove an interceptor afterwards you can.

              const              myInterceptor              =              axios              .              interceptors              .              request              .              utilize              (              office              (              )              {              /*...*/              }              )              ;              axios              .              interceptors              .              asking              .              eject              (              myInterceptor              )              ;            

You tin add interceptors to a custom example of axios.

              const              instance              =              axios              .              create              (              )              ;              instance              .              interceptors              .              request              .              use              (              part              (              )              {              /*...*/              }              )              ;            

When yous add request interceptors, they are presumed to be asynchronous by default. This tin can cause a delay in the execution of your axios request when the main thread is blocked (a hope is created under the hood for the interceptor and your request gets put on the bottom of the phone call stack). If your asking interceptors are synchronous you tin can add together a flag to the options object that will tell axios to run the lawmaking synchronously and avert any delays in request execution.

              axios              .              interceptors              .              request              .              use              (              function              (              config              )              {              config              .              headers              .              test              =              'I am only a header!'              ;              return              config              ;              }              ,              null              ,              {              synchronous:              true              }              )              ;            

If yous desire to execute a particular interceptor based on a runtime check, you tin can add together a runWhen function to the options object. The interceptor will not be executed if and just if the return of runWhen is false. The role volition be called with the config object (don't forget that you tin bind your own arguments to it likewise.) This can be handy when you take an asynchronous request interceptor that but needs to run at sure times.

              function              onGetCall              (              config              )              {              return              config              .              method              ===              'go'              ;              }              axios              .              interceptors              .              request              .              use              (              function              (              config              )              {              config              .              headers              .              examination              =              'special become headers'              ;              render              config              ;              }              ,              nix              ,              {              runWhen:              onGetCall              }              )              ;            

Multiple Interceptors

Given you add multiple response interceptors and when the response was fulfilled

  • then each interceptor is executed
  • and so they are executed in the club they were added
  • then just the final interceptor's result is returned
  • so every interceptor receives the result of it's predecessor
  • and when the fulfillment-interceptor throws
    • and so the post-obit fulfillment-interceptor is not called
    • then the following rejection-interceptor is called
    • in one case defenseless, another post-obit fulfill-interceptor is called once more (just like in a promise chain).

Read the interceptor tests for seeing all this in code.

Treatment Errors

              axios              .              get              (              '/user/12345'              )              .              grab              (              function              (              error              )              {              if              (              error              .              response              )              {              // The request was made and the server responded with a status code              // that falls out of the range of 2xx              console              .              log              (              error              .              response              .              data              )              ;              console              .              log              (              error              .              response              .              status              )              ;              console              .              log              (              error              .              response              .              headers              )              ;              }              else              if              (              error              .              request              )              {              // The asking was made but no response was received              // `fault.request` is an instance of XMLHttpRequest in the browser and an instance of              // http.ClientRequest in node.js              console              .              log              (              fault              .              asking              )              ;              }              else              {              // Something happened in setting upwardly the request that triggered an Error              panel              .              log              (              'Error'              ,              mistake              .              bulletin              )              ;              }              console              .              log              (              error              .              config              )              ;              }              )              ;            

Using the validateStatus config option, you tin can ascertain HTTP code(s) that should throw an mistake.

              axios              .              get              (              '/user/12345'              ,              {              validateStatus:              function              (              status              )              {              return              status              <              500              ;              // Resolve only if the status code is less than 500              }              }              )            

Using toJSON you get an object with more than information about the HTTP error.

              axios              .              become              (              '/user/12345'              )              .              catch              (              function              (              error              )              {              console              .              log              (              error              .              toJSON              (              )              )              ;              }              )              ;            

Cancellation

AbortController

Starting from v0.22.0 Axios supports AbortController to cancel requests in fetch API mode:

              const              controller              =              new              AbortController              (              )              ;              axios              .              get              (              '/foo/bar'              ,              {              point:              controller              .              signal              }              )              .              then              (              function              (              response              )              {              //...              }              )              ;              // cancel the request              controller              .              arrest              (              )            

CancelToken 👎deprecated

You can likewise cancel a asking using a CancelToken.

The axios cancel token API is based on the withdrawn cancelable promises proposal.

This API is deprecated since v0.22.0 and shouldn't be used in new projects

Yous can create a cancel token using the CancelToken.source factory equally shown below:

              const              CancelToken              =              axios              .              CancelToken              ;              const              source              =              CancelToken              .              source              (              )              ;              axios              .              become              (              '/user/12345'              ,              {              cancelToken:              source              .              token              }              )              .              take hold of              (              function              (              thrown              )              {              if              (              axios              .              isCancel              (              thrown              )              )              {              console              .              log              (              'Request canceled'              ,              thrown              .              message              )              ;              }              else              {              // handle error              }              }              )              ;              axios              .              mail service              (              '/user/12345'              ,              {              proper name:              'new proper noun'              }              ,              {              cancelToken:              source              .              token              }              )              // cancel the request (the message parameter is optional)              source              .              abolish              (              'Operation canceled by the user.'              )              ;            

Yous can also create a cancel token by passing an executor part to the CancelToken constructor:

              const              CancelToken              =              axios              .              CancelToken              ;              let              cancel              ;              axios              .              become              (              '/user/12345'              ,              {              cancelToken:              new              CancelToken              (              role              executor              (              c              )              {              // An executor function receives a cancel office as a parameter              cancel              =              c              ;              }              )              }              )              ;              // cancel the request              cancel              (              )              ;            

Note: you can cancel several requests with the same cancel token/abort controller. If a cancellation token is already cancelled at the moment of starting an Axios request, and so the request is cancelled immediately, without any attempts to make real request.

During the transition period, you can utilize both cancellation APIs, even for the same request:

Using awarding/10-www-course-urlencoded format

By default, axios serializes JavaScript objects to JSON. To ship information in the application/10-www-class-urlencoded format instead, you can utilize one of the following options.

Browser

In a browser, you tin use the URLSearchParams API every bit follows:

              const              params              =              new              URLSearchParams              (              )              ;              params              .              append              (              'param1'              ,              'value1'              )              ;              params              .              append              (              'param2'              ,              'value2'              )              ;              axios              .              post              (              '/foo'              ,              params              )              ;            

Annotation that URLSearchParams is not supported by all browsers (see caniuse.com), but in that location is a polyfill available (make sure to polyfill the global environment).

Alternatively, you tin encode data using the qs library:

              const              qs              =              require              (              'qs'              )              ;              axios              .              post              (              '/foo'              ,              qs              .              stringify              (              {              'bar':              123              }              )              )              ;            

Or in another way (ES6),

              import              qs              from              'qs'              ;              const              data              =              {              'bar':              123              }              ;              const              options              =              {              method:              'POST'              ,              headers:              {              'content-type':              'application/10-www-course-urlencoded'              }              ,              data:              qs              .              stringify              (              data              )              ,              url,              }              ;              axios              (              options              )              ;            

Node.js

Query string

In node.js, you can use the querystring module equally follows:

              const              querystring              =              require              (              'querystring'              )              ;              axios              .              post              (              'http://something.com/'              ,              querystring              .              stringify              (              {              foo:              'bar'              }              )              )              ;            

or 'URLSearchParams' from 'url module' as follows:

              const              url              =              crave              (              'url'              )              ;              const              params              =              new              url              .              URLSearchParams              (              {              foo:              'bar'              }              )              ;              axios              .              mail              (              'http://something.com/'              ,              params              .              toString              (              )              )              ;            

You lot can also utilise the qs library.

Note: The qs library is preferable if you demand to stringify nested objects, as the querystring method has known issues with that utilize example.

Form data

🆕 Automated serialization

Starting from v0.27.0, Axios supports automatic object serialization to a FormData object if the request Content-Type header is set up to multipart/form-information.

The post-obit asking will submit the information in a FormData format (Browser & Node.js):

              import              axios              from              'axios'              ;              axios              .              post              (              'https://httpbin.org/mail'              ,              {              x:              one              }              ,              {              headers:              {              'Content-Type':              'multipart/form-information'              }              }              )              .              then              (              (              {information}              )              =>              console              .              log              (              data              )              )              ;            

In the node.js build, the (form-data) polyfill is used by default.

You tin overload the FormData course by setting the env.FormData config variable, merely you probably won't demand it in most cases:

              const              axios              =              require              (              'axios'              )              ;              var              FormData              =              require              (              'form-data'              )              ;              axios              .              post              (              'https://httpbin.org/post'              ,              {              x:              one              ,              buf:              new              Buffer              (              10              )              }              ,              {              headers:              {              'Content-Type':              'multipart/form-data'              }              }              )              .              then              (              (              {information}              )              =>              console              .              log              (              data              )              )              ;            

Axios FormData serializer supports some special endings to perform the following operations:

  • {} - serialize the value with JSON.stringify
  • [] - unwrap the array similar object as split up fields with the aforementioned key
              const              axios              =              require              (              'axios'              )              ;              axios              .              post              (              'https://httpbin.org/post'              ,              {              'myObj{}':              {              10:              1              ,              s:              "foo"              }              ,              'files[]':              document              .              querySelector              (              '#fileInput'              )              .              files              }              ,              {              headers:              {              'Content-Type':              'multipart/form-information'              }              }              )              .              and then              (              (              {data}              )              =>              console              .              log              (              data              )              )              ;            

Axios supports the following shortcut methods: postForm, putForm, patchForm which are but the corresponding http methods with a header preset: Content-Type: multipart/course-data.

FileList object can be passed straight:

              await              axios              .              postForm              (              'https://httpbin.org/post'              ,              document              .              querySelector              (              '#fileInput'              )              .              files              )            

All files will be sent with the same field names: files[];

Manual FormData passing

In node.js, you tin can use the form-data library as follows:

              const              FormData              =              require              (              'course-data'              )              ;              const              form              =              new              FormData              (              )              ;              form              .              append              (              'my_field'              ,              'my value'              )              ;              form              .              suspend              (              'my_buffer'              ,              new              Buffer              (              10              )              )              ;              form              .              append              (              'my_file'              ,              fs              .              createReadStream              (              '/foo/bar.jpg'              )              )              ;              axios              .              post              (              'https://example.com'              ,              form              )            

Semver

Until axios reaches a 1.0 release, breaking changes will exist released with a new minor version. For instance 0.five.ane, and 0.v.4 will take the same API, but 0.6.0 will have breaking changes.

Promises

axios depends on a native ES6 Promise implementation to exist supported. If your environment doesn't support ES6 Promises, you lot can polyfill.

TypeScript

axios includes TypeScript definitions and a type guard for axios errors.

              let              user:              User              =              null              ;              try              {              const              {              data              }              =              await              axios              .              go              (              '/user?ID=12345'              )              ;              user              =              information              .              userDetails              ;              }              catch              (              mistake              )              {              if              (              axios              .              isAxiosError              (              error              )              )              {              handleAxiosError              (              error              )              ;              }              else              {              handleUnexpectedError              (              mistake              )              ;              }              }            

Online i-click setup

Y'all tin can employ Gitpod an online IDE(which is free for Open Source) for contributing or running the examples online.

Open in Gitpod

Resources

  • Changelog
  • Upgrade Guide
  • Ecosystem
  • Contributing Guide
  • Code of Conduct

Credits

axios is heavily inspired past the $http service provided in AngularJS. Ultimately axios is an attempt to provide a standalone $http-like service for utilise exterior of AngularJS.

License

MIT

laniganquaecte1993.blogspot.com

Source: https://github.com/axios/axios

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