chore: add publish CI

.github/workflows/publish.yml

@@ -0,0 +1,19 @@
+name: Publish
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12
+          registry-url: https://registry.npmjs.org/
+      - run: npm install
+      - run: npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}

package.json

@@ -30,6 +30,7 @@
     "dev": "ttsc --project tsconfig.lib.json --watch",
     "clean": "rm -rf dist",
     "fix": "yarn lint:prettier --write && yarn lint --fix",
+    "prepare": "yarn clean && yarn test && yarn build",
     "lint": "eslint --ext .ts --cache lib",
     "lint:prettier": "prettier \"**/*.{js,ts,json,md,yml}\"",
     "test": "jest",