Automate releases with changesets (#2510)

Co-authored-by: Daniel K <daniel@lovemyvoice.app>

.changeset/README.md

@@ -0,0 +1,8 @@
+# Changesets
+
+Hello and welcome! This folder has been automatically generated by `@changesets/cli`, a build tool that works
+with multi-package repos, or single-package repos to help you version and publish your code. You can
+find the full documentation for it [in our repository](https://github.com/changesets/changesets)
+
+We have a quick list of common questions to get you started engaging with this project in
+[our documentation](https://github.com/changesets/changesets/blob/master/docs/common-questions.md)

.changeset/config.json

@@ -0,0 +1,6 @@
+{
+    "changelog": ["@changesets/changelog-github", { "repo": "mobxjs/mobx" }],
+    "commit": false,
+    "access": "public",
+    "baseBranch": "mobx6"
+}

.github/ISSUE_TEMPLATE/question-discussion.md

@@ -6,5 +6,5 @@ labels: question
 
 We are open to your questions or discussion, but keep in mind it might take a while for us to respond. For a faster response, you can try the following channels.
 
--   MobX Spectrum community: https://spectrum.chat/mobx
+-   GitHub discussions: https://github.com/mobxjs/mobx/discussions
 -   StackOverflow (`mobx` tag): https://stackoverflow.com/questions/tagged/mobx

.github/PULL_REQUEST_TEMPLATE.md

@@ -19,7 +19,6 @@
 ### Code change checklist
 
 -   [ ] Added/updated unit tests
--   [ ] Updated changelog
 -   [ ] Updated `/docs`. For new functionality, at least `API.md` should be updated
 -   [ ] Verified that there is no significant performance drop (`npm run perf`)
 

.github/workflows/release.yml

@@ -0,0 +1,37 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@master
+        with:
+          # This makes Actions fetch all Git history so that Changesets can generate changelogs with the correct commits
+          fetch-depth: 0
+
+      - name: Setup Node.js 12.x
+        uses: actions/setup-node@master
+        with:
+          node-version: 12.x
+
+      - name: Install Dependencies
+        run: yarn
+
+      - name: Create Release Pull Request or Publish to npm
+        id: changesets
+        uses: changesets/action@master
+        with:
+          # This expects you to have a script called release which does a build for your packages and calls changeset publish
+          publish: yarn release
+          commit: Version release
+          title: Next release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

.prettierignore

@@ -2,3 +2,4 @@
 website/**/*
 dist/
 docs/assets/
+*.yml

README.md

@@ -4,11 +4,13 @@
 
 _Simple, scalable state management._
 
-[![Discuss on Github](https://img.shields.io/badge/discuss%20on-GitHub-orange)](https://github.com/mobxjs/mobx/discussions)
 [![npm version](https://badge.fury.io/js/mobx.svg)](https://badge.fury.io/js/mobx)
 [![OpenCollective](https://opencollective.com/mobx/backers/badge.svg)](docs/backers-sponsors.md#backers)
 [![OpenCollective](https://opencollective.com/mobx/sponsors/badge.svg)](docs/backers-sponsors.md#sponsors)
 
+[![Discuss on Github](https://img.shields.io/badge/discuss%20on-GitHub-orange)](https://github.com/mobxjs/mobx/discussions)
+[![View changelog](https://img.shields.io/badge/changelogs.xyz-Explore%20Changelog-brightgreen)](https://changelogs.xyz/mobx)
+
 ---
 
 MobX is made possible by the generosity of the sponsors below, and many other [individual backers](docs/backers-sponsors.md#backers). Sponsoring directly impacts the longevity of this project.

package.json

@@ -28,7 +28,7 @@
     "prebuild": "rimraf lib",
     "build": "tsdx build --name mobx --format esm,cjs,umd",
     "postbuild": "cp flow-typed/mobx.js dist/index.js.flow",
-    "release": "node scripts/publish.js",
+    "release": "yarn build && yarn changeset publish",
     "publish-script": "yarn release",
     "docs:build": "yarn --cwd website build",
     "docs:start": "yarn --cwd website start",
@@ -65,6 +65,8 @@
     "@babel/preset-env": "^7.9.5",
     "@babel/preset-typescript": "^7.9.0",
     "@babel/runtime": "^7.9.2",
+    "@changesets/changelog-github": "^0.2.7",
+    "@changesets/cli": "^2.11.0",
     "@types/jest": "^25.2.1",
     "@types/node": "^11.15.12",
     "@typescript-eslint/eslint-plugin": "^2.29.0",
@@ -140,4 +142,4 @@
       "pre-commit": "pretty-quick --staged"
     }
   }
-}
+}