Chore: Introduce publish package pipeline #CCM-8

  * based on release publishing

.github/workflows/publish.yaml

@@ -0,0 +1,38 @@
+name: Publish
+
+on:
+  release:
+    types:
+      - published
+
+jobs:
+  publish:
+    name: Publish package
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 14
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Build
+        run: yarn build
+
+      - name: Bump version
+        run: yarn version --`./bin/ci/semver.sh`
+
+      - name: Authenticate npm
+        run: ./bin/ci/npm-auth.sh
+        env:
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Publish
+        run: cd ./dist && yarn publish
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}

bin/ci/npm-auth.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -o errexit
+
+# Authorise npm for publishing
+cat <<NPMRC >> .npmrc
+@lmc-eu:registry=https://registry.npmjs.org/
+//registry.npmjs.org/:_authToken=${NPM_TOKEN}
+NPMRC
+
+npm whoami

bin/ci/semver.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+function grep_word_from_git_commits_since_last_tag() {
+    local commits=$(git log --oneline $(git describe --tags --abbrev=0 @^)..@ --grep="$1" 2> /dev/null)
+
+    # Check exit code of last command, eg. the one that gets the commits
+    # and normalize exit status if there is some unpredictable error (git or grep fail)
+    if [ $? -ne 0 ]; then
+        echo 2
+    elif [ -z "$commits" ];
+    then
+        echo 0
+    else
+        echo 1
+    fi
+}
+
+function get_version() {
+    if [ `grep_word_from_git_commits_since_last_tag "BREAKING CHANGE"` -gt 0 ]
+    then
+        echo "major"
+    elif [ `grep_word_from_git_commits_since_last_tag "Feat"` -gt 0 ]
+    then
+        echo "minor"
+    else
+        echo "patch"
+    fi
+}
+
+get_version

package.json

@@ -35,7 +35,9 @@
     "prepare": "husky install",
     "changelog": "yarn changelog:from-tag",
     "changelog:from-tag": "conventional-changelog -p @lmc-eu/conventional-changelog-lmc-bitbucket -i CHANGELOG.md -s",
-    "changelog:from-beginning": "conventional-changelog -p @lmc-eu/conventional-changelog-lmc-bitbucket -i CHANGELOG.md -s -r 0"
+    "changelog:from-beginning": "conventional-changelog -p @lmc-eu/conventional-changelog-lmc-bitbucket -i CHANGELOG.md -s -r 0",
+    "version": "yarn build && git status && git add --all && git status",
+    "postversion": "git push --set-upstream origin main && git push --tags"
   },
   "dependencies": {
     "@lmc-eu/spirit-design-tokens": "^0.2.0",