pwa magento

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[PWA] Check Online Status by using the Navigatoronline API

Even if you had your application fully cached, you couldn ' t perform any external request without internet connection. That's why in order to build a offline-capable application, you must know when it ' s actually offline.This lesson shows the Navigatoronline API and Online/offline events on order to disable the functionality T o Send messages of the application. this. Online = navigator.online window.addeventlistener (' online ', () + = (This True) window.addeventlistener (' Offline

[PWA] 5. Hijacking one type of request

Previously we saw how to hijacking all the reqest, but this is not useful. So-now we want to see how to hijacking one kind of request. For example we want SERVCE worker only response to the request ends with ". jpg":Self.addeventlistener ('Fetch', Function (Event) { //Todo:only respond to requests with a//url ending in ". jpg" if(Event. Request.url.endsWith (". jpg")){ Event. Respondwith (Fetch ('/imgs/dr-evil.gif') ); }});Https://developer.mozilla.org/en-US/docs/Web/API/Request[

[PWA] 10. Trigger a version update

', ' dismiss '] }); Toast.answer.then (function(answer) { if (answer! = ' Refresh ') { // Tell the service worker to skipwaiting Worker.postmessage ({message: ' Skipwaiting '}} );};Service worker: Listen to the message event and call Skilwaiting ():// Todo:listen for the ' message ' event, and call // skipwaiting If you get the appropriate message function (event) { if(event.data.message = = "Skipwaiting") { self.skipwaiting (); }})The on We page, listen to Control

[PWA] 2. Service Worker Life Cycle

Once serive worker is registered, the first time we go to the app, we cannot see the logs from servcie works. Any only refersh it second time, then we able to see the logs. Once we change service worker, it doesn't seem that we have change it. The no1. is because, service worker only take control after it is loaded. but the first time we go to the page, service worker actually is not there, because, the browser need to fetch our assets, CSS, and JavaScript f

[PWA] Keynote:progressive Web Apps across all frameworks

Pwa:add to Home screen Angular Universal Server side rendering:for achieving better proference on init loading Angular 2 CLI ng New MyApp--mobile Sw-precache:with Webpack: Sw-toolbox:run Time Caching ANGULAR2 Material Design: *shellrender and *shellnorender *shellrender:work as App Shell, happen before Angular 2 Component get rendered*shellnorender:angular2 Component take placeGO PROGRESSIVE[PWA

[PWA] 19. Cache the Avatars

store one copy of each avatar. varStorageurl = Request.url.replace (/-\dx\.jpg$/, "); //Todo:return images from the "Wittr-content-imgs" cache //if they ' re in there. But afterwards, go to the network //To update the entry in the cache. // //Note that this is slightly different to servephoto! returnCaches.open (Contentimgscache). Then (function(cache) {returnCache.match (Storageurl). Then (function(response) {varNetfetchresponse = Fetch (Request). Then (function(networkresponse) {cache.p

[PWA] 11. Serve Skeleton Cache for Root

Intead of Cache The root floder, we want to cache skeleton instead. self.addeventlistener (' Install ', function function return Cache.addall ([ '/ ' js/main.js ' ' css/main.css ' , ' imgs/icon.png ' , ' https://fonts.gstatic.com/s /roboto/v15/2ux7wltfw3w8tcltuvlfyq.woff ' , ' https://fonts.gstatic.com/s /roboto/v15/d-6iyplofoccackzxwxsod8e0i7kzn-epnyo3hzu7kw.woff ' Respond to requests for the root page with thepage skeleton from the cache:Self.addeventlisten

[PWA] 15. Using the IDB Cache and Display Entries

' }); Store.createindex (' by-date ', ' time '); });In _opensocket, we had a function to fetch the old data from the IDB.// Open a connection to the server for live updates function () {... Ws.addeventlistener (function(event) { requestanimationframe() { Indexcontroller. _onsocketmessage (event.data); }); ...};//called when the Web socket sends message dataIndexcontroller.prototype._onsocketmessage =function(data) {varMessages =json.parse (data); This. _dbpromise.then (func

Magento moving Magento Changing the server step change the database connection replace the domain name

1, copy the Magento directory to the new server, export the database, import. If you do not go in because the Magento database using FOREIGN KEY constraints, through phpMyAdmin Import error, on the exported SQL file added a row set @[email protected] @FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0;2, modify Magento configuration file, location in App/etc/local.xml, not

Magento cache, magento Index

Label: blog HTTP strong Div SP log on C R"Magento background modification, magento foreground unchanged""The magento attribute is updated, and the magento foreground does not respond"If you encounter the above two situations or see the following prompt:Go to the magento back

Magento-magento site optimization

Magento-magento site optimization (from csdn) Magento's website is really too slow. I have thought of many methods, referred to a lot of information, and conducted many tests. I will summarize the general steps:1. Compress JS and CSS code. If necessary, combine all CSS and JS into one file, compress and cache them.2. Clear unnecessary comments in the magento

Magento-simplified and slim magento version

20101005 Note: at present, the magento online stores with more than 1000 products can reach a speed of 4-7/s. 20101104 Note: There are a lot of people trying to do this, but please be careful not to test it on the website in operation. I will continue to update it. Test Tools: pagespeed, pingdom, and firebug. Note: If you try, do not use a system test in use. all the methods mentioned below are being tested and improved. I am not responsible for any

Magento-Exploration on cache for speeding up magento

We are still working hard to speed up magento. In addition to the built-in cache and compilation, many of our previous efforts started with reducing loading times such as JS, CSS, and images, the loading time of the page is sometimes the largest part-the page data is not processed too much. For example, the time consumption of each request is checked using firebug (the data is affected by many factors, for reference only ): We can see that the loadi

Magento 0 RMB Order Payment Method--Magento 0 Subtotal Payment method

greater than 0, all original payment methods are returned for customer's choice (the new free payment payment method should be removed).Solution SolutionsAfter reviewing the source code of Magento's payment module, I found that Magento1.9 native support for 0 amount order payment (if you have experience, you do not need to look at the source), in the background system->configration->sales- >payment Methods->zero Subtotal Checkout can be configured to turn on this payment method.The configuratio

Magento --- point plug-in magento-community/RewardsPoint2-0.4.7.1

10. Exploded menu a more powerful menu Key: magento-community/Raptor_ExplodedMenu-1.0.7 11. j2t points rewards points Module Key: magento-community/RewardsPoint2-0.4.7.1 12 luxe_mostviewed Most popular products Key: magento-community/luxe_mostviewed 5. magentolivechat online chat Module Key: magento-communit

[PWA] 18. Clean the photo cache

all the messages, //gather all the photo URLs. // //Open the ' Wittr-content-imgs ' cache, and delete any entry //That you no longer need. varPhotostokeep = []; vartx = Db.transaction (' Wittrs '); returnTx.objectstore (' Wittrs '). GetAll (). Then (function(Messages) {Messages.foreach (function(message) {if(Message.photo) {Photostokeep.push (Message.photo); } }); returnCaches.open (' Wittr-content-imgs '); }). Then (function(cach

[PWA] 8. Delete old cache and only keep one

) {//wait all cache deleted returnPromise.all (//filter out staticcachename (only keep Staticcachename)Cachenames.filter (function (name) {returnName.startswith ('wittr') Name! =Staticcachename; }). map (function (name) {//Delete cache, return promise returncaches.delete (name); }) ) }) )})So in the code, the static one is ' wittr-demo-v13 '.We Use the APIs:// return a promise with all the cache name // return a promise and delete the selecte

[PWA] 13. New db and Object store

= Db.transaction (' People '); varPeoplestore = Tx.objectstore (' People ')); returnPeoplestore. GetAll (); }). Then (function(People) {console.table (people);}); Group by:To does gourp by we need to create INDEX: Import IDB from ' IDB '; varDbpromise = Idb.open (' test-db ', 3,function(upgradedb) {Switch(upgradedb.oldversion) { Case0: //Keyval Store is already created at version 1 varKeyvalstore = Upgradedb.createobjectstore (' Keyval ')); Keyvalstore.put ("Wo

Magento display multi-currency, Magento multi-currency settings

System-configuration-currency Setup on the right Currency options allowed currencies tick,Then system-manage Currency Rates Click Import to automatically set the exchange rate or manually enter it yourself, and then save it.(like Magento install IPS payment channel you need to set the exchange rate of RMB CNY first)So Magento background settings multi-currency processing is OK.Magento Foreground custom disp

An unexpected error occurred in PWA's "my tasks" and "project center ".

Most of the analysis results show that some tasks of the project have unreasonable logic in allocation and work hours, leading to exceptions in the webpart. Usually, the PWA System maintenance staff will be crazy at this time, because no one changes the settings, the server services are normal, and this logical error occurs inadvertently under the project manager. I felt that the last second was still good, and suddenly I got down. (For administrators

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