const koa2 = require(`koa2`);
const Router = require(`koa-router`);
const router = new Router();
const app = new koa2();
const Index = router.get(`/`, async (ctx, next) => {
await next()
ctx.status = 200;
ctx.type = `html`;
ctx.body = `
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script>
function good(){
var notification = new Notification("hello to..", {
dir: 'ltr',
body: '测试 web Notification API',
tag: 'test',
icon: 'https://pic.cnblogs.com/avatar/1053296/20171128213246.png'
});
notification.onclick = function(e) {
console.log( e);
console.log('每当用户点击通知时被触发');
this.close();
window.open('http://www.cnblogs.com/ajanuw/')
}
notification.onshow = function() {
console.log('通知显示的时候被触发');
}
notification.onerror = function() {
console.log('当通知遇到错误时被触发');
}
notification.onclose = function() {
console.log('用户关闭通知时被触发');
}
}
function run() {
if ('Notification' in window) {
// 查看是否有权限
if (Notification.permission == 'granted') {
good()
} else if(Notification.permission == 'denied' || Notification.permission == 'default') {
// 主动提出需要权限
Notification.requestPermission(permission => {
if (permission == 'granted') {
good()
}
})
}
}
}
run();
</script>
`
}).routes();
app.use(Index);
app.listen(1995);
