feat(release): introduce semantic-release

Author: whatasoda

.github/workflows/publish.yml

@@ -1,15 +1,16 @@
 name: Publish
 
 on:
-  release:
-    types: published
+  push:
+    branches:
+      - master
 
 jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 14.x]
+        node-version: [12.x, 14.x]
     env:
       TZ: Asia/Tokyo
     steps:
@@ -31,9 +32,9 @@ jobs:
       - uses: actions/setup-node@v1
         with:
           node-version: 14
-          registry-url: https://registry.npmjs.org/
       - run: npm ci
       - run: npm run build
-      - run: npm publish lib
+      - run: npx semantic-release
         env:
-          NODE_AUTH_TOKEN: ${{ secrets.npm_token }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.npm_token }}

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 14.x]
+        node-version: [12.x, 14.x]
     env:
       TZ: Asia/Tokyo
     steps: