ci: Introduce new CI publish workflow

Author: pgrzesik

.github/workflows/publish.yml

@@ -1,18 +1,52 @@
+# Version tags only
+
 name: Publish
 
-on: [release]
+on:
+  push:
+    tags:
+      - v[0-9]+.[0-9]+.[0-9]+
 
 jobs:
-  publish-npm:
+  publish:
+    name: Publish
     runs-on: ubuntu-latest
+    env:
+      # It'll work with secrets.GITHUB_TOKEN (which is provided by GitHub unconditionally)
+      # Still then release author would be "github-actions". It's better if it's dedicated repo bot
+      GITHUB_TOKEN: ${{ secrets.USER_GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v2
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Retrieve node_modules from cache
+        id: cacheNodeModules
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.npm
+            node_modules
+          key: npm-v14-${{ runner.os }}-refs/heads/master-${{ hashFiles('package.json') }}
 
-      - uses: actions/setup-node@v2
+      - name: Install Node.js and npm
+        uses: actions/setup-node@v1
         with:
-          version: 14
-          registry-url: https://registry.npmjs.org/
+          node-version: 14.x
+          registry-url: https://registry.npmjs.org
 
-      - run: npm publish
+      - name: Publish new version
         env:
-          NODE_AUTH_TOKEN: ${{secrets.npm_token}}
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: npm publish
+
+      # Note: No need to install dependencies as:
+      # 1. We have retrieved cached `node_modules` for very same `package.json`
+      #    as stored with recent `master `build
+      # 2. If for some reason cache retrieval fails `npx` will download and install
+      #    `github-release-from-cc-changelog`
+
+      - name: Publish release notes
+        run: |
+          TEMP_ARRAY=($(echo $GITHUB_REF | tr "/" "\n"))
+          TAG=${TEMP_ARRAY[@]: -1}
+          npx github-release-from-cc-changelog $TAG

CHANGELOG.md

@@ -0,0 +1,4 @@
+# Changelog
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+

package.json

@@ -41,6 +41,7 @@
     "format": "prettier --write '{.,lib}/*.{js,md}'",
     "lint": "eslint *.js lib/*.js && prettier -c '{.,lib}/*.{js,md}'",
     "lint:updated": "pipe-git-updated --ext=js -- eslint",
+    "prepare-release": "standard-version && prettier --write CHANGELOG.md",
     "prettier-check": "prettier -c --ignore-path .gitignore \"**/*.{css,html,js,json,md,yaml,yml}\"",
     "prettier-check:updated": "pipe-git-updated --ext=css --ext=html --ext=js --ext=json --ext=md --ext=yaml --ext=yml -- prettier -c",
     "prettify": "prettier --write --ignore-path .gitignore \"**/*.{css,html,js,json,md,yaml,yml}\"",
@@ -51,6 +52,7 @@
     "cross-spawn": "*",
     "eslint": "^7.32.0",
     "git-list-updated": "^1.2.1",
+    "github-release-from-cc-changelog": "^2.2.0",
     "lodash": "^4.17.21",
     "prettier": "^2",
     "tape": "*",