Release/v0.22.0 (#4107)

* fix/Avoid package.json import; (#4041)

* Added auto-generated config module `env/data.js` for importing package environment vars without importing the whole `package.json`;
Refactored `http.js` to use `env/data.js` instead of package.json;

* Added `env/data.js`;
Added `env/README.md`;

* Feat/export package version constant (#4065)

* Added auto-generated config module `env/data.js` for importing package environment vars without importing the whole `package.json`;
Refactored `http.js` to use `env/data.js` instead of package.json;

* Added `env/data.js`;
Added `env/README.md`;

* Export package version constant;

* Fixed cancelToken leakage; Added AbortController support; (#3305)

* Fixed cancelToken leakage;
Added AbortController support;

* Fixed typings;

* Documented `signal` option;

* Added processing of early cancellation using AbortController without sending a request;

Co-authored-by: Jay <jasonsaayman@gmail.com>

* Updating CI to run on release branches

* Fixed default transitional config for custom Axios instance; (#4052)

Refactored `/core/mergeConfig`;

Co-authored-by: Jay <jasonsaayman@gmail.com>

* Prepping v0.22.0 for release

* Updated date

Co-authored-by: Dmitriy Mozgovoy <robotshara@gmail.com>

.github/workflows/ci.yml

@@ -2,9 +2,9 @@ name: ci
 
 on:
   push:
-    branches: [master]
+    branches: [master, 'release/*']
   pull_request:
-    branches: [master]
+    branches: [master, 'release/*']
 
 jobs:
   build:

CHANGELOG.md

@@ -1,5 +1,22 @@
 # Changelog
 
+### 0.22.0 (October 01, 2021)
+
+Fixes and Functionality:
+- Caseless header comparing in HTTP adapter ([#2880](https://github.com/axios/axios/pull/2880))
+- Avoid package.json import fixing issues and warnings related to this ([#4041](https://github.com/axios/axios/pull/4041)), ([#4065](https://github.com/axios/axios/pull/4065))
+- Fixed cancelToken leakage and added AbortController support ([#3305](https://github.com/axios/axios/pull/3305))
+- Updating CI to run on release branches
+- Bump follow redirects version
+- Fixed default transitional config for custom Axios instance; ([#4052](https://github.com/axios/axios/pull/4052))
+
+Huge thanks to everyone who contributed to this release via code (authors listed below) or via reviews and triaging on GitHub:
+
+- [Jay](mailto:jasonsaayman@gmail.com)
+- [Matt R. Wilson](https://github.com/mastermatt)
+- [Xianming Zhong](https://github.com/chinesedfan)
+- [Dmitriy Mozgovoy](https://github.com/DigitalBrainJS)
+
 ### 0.21.4 (September 6, 2021)
 
 Fixes and Functionality:

Gruntfile.js

@@ -1,3 +1,4 @@
+// eslint-disable-next-line strict
 module.exports = function(grunt) {
   require('load-grunt-tasks')(grunt);
 
@@ -37,6 +38,10 @@ module.exports = function(grunt) {
       }
     },
 
+    package2env: {
+      all: {}
+    },
+
     usebanner: {
       all: {
         options: {
@@ -70,8 +75,8 @@ module.exports = function(grunt) {
         src: ['test/unit/**/*.js']
       },
       options: {
-        timeout: 30000,
-      },
+        timeout: 30000
+      }
     },
 
     watch: {
@@ -88,20 +93,30 @@ module.exports = function(grunt) {
     webpack: require('./webpack.config.js')
   });
 
-  grunt.registerMultiTask('package2bower', 'Sync package.json to bower.json', function () {
+  grunt.registerMultiTask('package2bower', 'Sync package.json to bower.json', function() {
     var npm = grunt.file.readJSON('package.json');
     var bower = grunt.file.readJSON('bower.json');
     var fields = this.data.fields || [];
 
-    for (var i=0, l=fields.length; i<l; i++) {
+    for (var i = 0, l = fields.length; i < l; i++) {
       var field = fields[i];
       bower[field] = npm[field];
     }
 
     grunt.file.write('bower.json', JSON.stringify(bower, null, 2));
   });
 
+  grunt.registerMultiTask('package2env', 'Sync package.json to env.json', function() {
+    var npm = grunt.file.readJSON('package.json');
+    grunt.file.write('./lib/env/data.js', [
+      'module.exports = ',
+      JSON.stringify({
+        version: npm.version
+      }, null, 2),
+      ';'].join(''));
+  });
+
   grunt.registerTask('test', 'Run the jasmine and mocha tests', ['eslint', 'mochaTest', 'karma:single', 'ts']);
   grunt.registerTask('build', 'Run webpack and bundle the source', ['clean', 'webpack']);
-  grunt.registerTask('version', 'Sync version info for a release', ['usebanner', 'package2bower']);
+  grunt.registerTask('version', 'Sync version info for a release', ['usebanner', 'package2bower', 'package2env']);
 };

README.md

@@ -452,6 +452,9 @@ These are the available config options for making requests. Only the `url` is re
   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
@@ -734,7 +737,20 @@ axios.get('/user/12345', {
 cancel();
 ```
 
-> Note: you can cancel several requests with the same cancel token.
+Axios supports AbortController to abort requests in [`fetch API`](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API#aborting_a_fetch) way:
+```js
+const controller = new AbortController();
+
+axios.get('/foo/bar', {
+   signal: controller.signal
+}).then(function(response) {
+   //...
+});
+// cancel the request
+controller.abort()
+```
+
+> 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, then the request is cancelled immediately, without any attempts to make real request.
 
 ## Using application/x-www-form-urlencoded format

bower.json

@@ -1,7 +1,7 @@
 {
   "name": "axios",
   "main": "./dist/axios.js",
-  "version": "0.21.4",
+  "version": "0.22.0",
   "homepage": "https://axios-http.com",
   "authors": [
     "Matt Zabriskie"