Add cron update

.github/workflows/auto-update.yml

@@ -0,0 +1,31 @@
+name: Auto database update
+on:
+  schedule:
+    - cron: '24 21,23 * * Tue,Wed,Fri,Sat'
+  workflow_dispatch:
+jobs:
+  release:
+    name: latest version
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+      - name: setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+          registry-url: 'https://registry.npmjs.org'
+      - name: install dependencies
+        run: npm i
+      - name: update
+        run: npm run updatedb
+      - name: test
+        run: npm run test
+      - name: commit
+        run: scripts/release.sh
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+      - name: push changes
+        uses: ad-m/github-push-action@master
+        with:
+          github_token: ${{secrets.GTOKEN}}

README.md

@@ -19,7 +19,6 @@ You can change the memory usage or lookup time, by customizing location informat
 ## Synopsis
 
 ```javascript
-// ESM
 import { lookup } from 'ip-location-api'
 // or CJS format
 // const { lookup } = require('ip-location-api')

script/auto-update.sh

@@ -0,0 +1,11 @@
+# get current version from package.json
+RES1=`find data -name '*.dat' -size -1000k 2>/dev/null`
+if [ -z "$RES1" ]; then
+	if ! git diff --quiet HEAD -- *.dat; then
+		VERT=`node -p "var j=require('./package.json');j.version=j.version.split('.').slice(0,-1).join('.')+'.'+require('dayjs')().format('YYYYMMDD');require('fs').writeFileSync('./package.json',JSON.stringify(j,null,2));j.version;"`
+		git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
+		git config --local user.name "github-actions[bot]"
+		git commit -a -m "v${VERT} auto update ip database"
+		npm publish
+	fi
+fi