Vue lazy load list

SPAs Single Page Applications often consist of dozens or even hundreds of components that can be divided into several JavaScript bundle files. The goal of this post is to show one way to do this division and how to load each file asynchronously, only when the component is requested from a route change. This asynchronous behavior is called lazy loading and allows for a smaller initial bundle size.

If you're interested in learning Vue in a comprehensive and structured way, I highly recommend you try The Vue. Learning from a premium resource like that is a serious investment in yourself. Plus, this is an affiliate linkso if you purchase the course you help Alligator. Tip: Choose to group all the config rules in the package.

The project created has two views : Home. When we run the project, through the yarn serve or npm run serve command, the views are accessed through the top menu, similar to the following figure:.

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These two files, Home. We need to load the files as they are requested. We can implement the lazy loading easily, thanks to an upcoming JavaScript feature, dynamic importsthat webpack supports. This way, when we compile the project through npm run build or yarn buildwe get the following result:.

Notice that two files have been created: view-Home-vue They will be loaded on demand on the production server:. To fix it, open the package. Vue CLI v3. Please pick a preset: Manually select features?

Tweet It.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. As from the vue-router documentation to lazy load components I am using syntax:. Learn more. Asked 2 years, 6 months ago. Active 1 year, 6 months ago. Viewed times.

vue lazy load list

Tadas Stasiulionis Tadas Stasiulionis 2 2 gold badges 12 12 silver badges 17 17 bronze badges. You are doing async way so particular method could not be just importing component on assignment. This might help you - vuejsdevelopers.

vue lazy load list

What version of webpack do you use? Active Oldest Votes. Install required babel plugin: npm install --save-dev babel-plugin-syntax-dynamic-import Create.

Isaac ghorbani Isaac ghorbani 51 3 3 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. The Overflow How many jobs can be done at home? Featured on Meta. Community and Moderator guidelines for escalating issues via new response…. Feedback on Q2 Community Roadmap. Technical site integration observational experiment live on Stack Overflow.

Triage needs to be fixed urgently, and users need to be notified upon…. Dark Mode Beta - help us root out low-contrast and un-converted bits. Related Hot Network Questions. Question feed. Stack Overflow works best with JavaScript enabled.My goal is to make this series a full and complete guide on Vue apps performance. Most of the tips in this series will focus on making our JS bundle smaller.

While bundling our assets Webpack is creating something called dependency graph click here to see how it looks like. Assuming we have a file called main. Now every js module that we will import in this file will become its node in the graph and every module imported in these nodes will become their nodes.

Webpack is using this dependency graph to detect which files it should include in the output bundle. Output bundle is just a single or multiple as we will see in the later parts javascript file containing all modules from the dependency graph.

Now that we know how bundling works, it becomes obvious that the bigger our project gets, the bigger the initial JavaScript bundle becomes. The bigger bundle, the longer it takes to download and parse for our users. The longer a user has to wait, the more likely he is to leave our site. Bing is a good example - 2 seconds of delay resulted in a 4. So how we can cut off bundle size when we still need to add new features and improve our application? As the name suggests lazy loading is a process of loading parts chunks of your application lazily.

Code splitting is just a process of splitting the app into this lazily loaded chunks.

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Or there might be modals, tooltips and other parts and components that are not needed on every page. It is wasteful at best, to download, parse and execute the entire bundle everything on every page load when only a few parts are needed. Now we should be able to see how much of the downloaded code was actually used. Everything marked as red is something that is not needed on current route and can be lazily loaded.

As we can see even vuejs. We can easily load some parts of our application lazily with webpack dynamic imports. It will be added as a node of a main.

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But what if we need our Cat module only under certain circumstances like a response to a user interaction? Bundling this module with our initial bundle is a bad idea since it is not needed at all times. We need a way to tell our application when it should download this chunk of code. Instead of directly importing Cat module we created a function that returns the import function. Now webpack will bundle the content of the dynamically imported module into a separate file.

The function representing dynamically imported module returns a Promise that will give us access to the exported members of the module while resolved. We can then download this optional chunk later, when needed. For instance as a response to a certain user interaction like route change or click. In above code, depending on the current route we are dynamically importing either product or category modules and then running init function that is exported by both of them.

As we know by making module dynamically imported we are cutting part of the dependency graph. Everything that was imported inside this part will be bundled together so productGallery will end up in the same bundle as product module.

Now that we know what lazy loading is and why we need it. Here are the most common ways to invoke dynamic loading of Vue component:. Please note that the invocation of lazyComponent function will happen only when component is requested to render in a template. For example this code:. The component will not be loaded until it is required in the DOM, which is as soon as the v-if value changes to true.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I'm using Laravel mix for compiling my vue. Now I would like to lazy load my components found it here:. Following from the comments.

You need to specify the publicPath. Here's a small version of a working webpack. You probably had your manifest. So your solution is either to modifiy the paths or just stick with default paths as the example above. The code above should produce app. Also it will produce the manifest. Note that you need to have babel loader and babel dynamic import plugins installed the first is needed to be able to use babel plugins in webpack as i'm not sure if laravel mix reads the. Learn more.

Asked 2 years, 4 months ago. Active 2 years, 4 months ago. Viewed times. When I register the component 'normal' everything is working?

Jenssen Jenssen 1, 1 1 gold badge 20 20 silver badges 37 37 bronze badges. Laravel mix uses webpack behind the scene and for code splitting feature to work you need to use dynamic import.

But how do I set the path where webpack looks for the javascript files? Because right now it's looking for the wrong path.

Active Oldest Votes. But when I look into my network tab it's looking for the wrong path. How do I have to configure that? I think you are refering to the path specified by your blade?

How and to wat should I refer in my blade file?GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again. Vue module for lazyloading images in your applications. Some of goals of this project worth noting include:. This is useful if you are having trouble with this plugin resetting itself to loading when you have certain animations and transitions taking place. Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

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vue lazy load list

JavaScript Other. JavaScript Branch: master. Find file. Sign in Sign up. Go back. Launching Xcode If nothing happens, download Xcode and try again. Latest commit. Latest commit f9d4eee Mar 26, Vue-Lazyload Vue module for lazyloading images in your applications.

Some of goals of this project worth noting include: Be lightweight, powerful and easy to use Work on any image type Add loading class while image is loading Supports both of Vue 1.

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Feb 10, Mar 26, Mar 10, Apr 28, Dec 19, Mar 20, Initial commit. Jan 14, Dec 31, May 27, Sep 18, Social media outlets like Twitter, Facebook, and Instagram have popularized this over the years. Integrating your own infinite scroll on your website or application is easier than you might think.

Before you start, create a new Vue. This example will be using Axios and MomentJS for data fetching and date formatting, respectively.

Handling large dataset (1000+) in VueJS

If you're interested in learning Vue in a comprehensive and structured way, I highly recommend you try The Vue. Learning from a premium resource like that is a serious investment in yourself. Plus, this is an affiliate linkso if you purchase the course you help Alligator. There are various npm packages for infinite scroll that you can use for your Vue app, but some of these may be overkill.

It's worth noting that it's not recommended to make five services calls on load. So in order to get five initial users, five services calls were needed.

If you console log your persons array or open up the Vue Devtoolsyou should see an array of five users. If so, great! This scroll method should have a simple condition that calculates the bottom of the page, evaluates it as true or false, and executes something.

With each scroll to the bottom of the page, we fetch new data with Axios then push that data to an array. Tweet It.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

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Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Basically, I have my routes set up from database, and one of them is the route to display programs for children.

In this program, I load several components, like list of clients, consents, etc. I have updated my node packages, including vue to the latest version 2. Can somebody help me out with some thoughts? Maybe you need to move the async component to components. Learn more. Vue lazy-loading components Ask Question.

vue lazy load list

Asked 1 year, 10 months ago. Active 1 year, 6 months ago. Viewed 2k times. I wanted to try to lazy-load a module in my custom vue application, but I ran into an issue. SyntaxError: Unexpected token at Parser. Much appreciated, Gabriel. Gabriel Barina Gabriel Barina 23 4 4 bronze badges.

Active Oldest Votes. ThangLe ThangLe 2 2 silver badges 9 9 bronze badges.

Top 10 Vue Lazy Load libraries - Openbase

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