https://github.com/marekpokornyova/blazorlazyload

BlazorLazyLoad is a concept of assembly lazy load in Blazor WASM application.
https://github.com/marekpokornyova/blazorlazyload

blazor lazyload

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BlazorLazyLoad is a concept of assembly lazy load in Blazor WASM application.

• Host: GitHub
• URL: https://github.com/marekpokornyova/blazorlazyload
• Owner: MarekPokornyOva
• License: mit
• Created: 2020-02-12T18:08:21.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2020-05-24T16:33:01.000Z (about 6 years ago)
• Last Synced: 2025-04-22T17:19:41.782Z (about 1 year ago)
• Topics: blazor, lazyload
• Language: C#
• Size: 240 KB
• Stars: 14
• Watchers: 2
• Forks: 2
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# BlazorLazyLoad

[![Package Version](https://img.shields.io/nuget/v/BlazorLazyLoad.svg)](https://www.nuget.org/packages/BlazorLazyLoad)

[![NuGet Downloads](https://img.shields.io/nuget/dt/BlazorLazyLoad.svg)](https://www.nuget.org/packages/BlazorLazyLoad)

[![License](https://img.shields.io/github/license/MarekPokornyOva/BlazorLazyLoad.svg)](https://github.com/MarekPokornyOva/BlazorLazyLoad/blob/master/LICENSE)

### Description

BlazorLazyLoad is mostly loudly shared idea/concept of assembly lazy load in Blazor WASM application.

Splitting an application speeds up its start and also saves network traffic.

### Features

- Lazy loads assemblies.

- Lazy resolving on both page and component level.

- Registers included pages for routing.

- Registers included services to ServiceProvider.

### Usage

1) Include Nuget package - https://www.nuget.org/packages/BlazorLazyLoad/ in Blazor WASM application's project.

2) Create custom assembly lazy load handler. The \Samples\01\BlazorApp\AreaAssemblyLazyLoadResolver.cs might be good example - it expects areas split strategy. The resolver can also register the services defined in the lazy loaded assembly.

3) Change Router in App.razor to the enhanced one. That invokes AssemblyLazyLoadResolver when a lazy loaded page is navigated at first (entered to navigation bar or on the page refresh).

4) Register services - call builder.Services.AddLazyLoad(); within Program.Main() method.

5) Redirect navigation event to custom handler - see \Samples\01\BlazorApp\wwwroot\index.html.

6) Create project containing lazy loaded pages - see \Samples\01\LazyLoadedArea.

7) The built assembly has to be copied from wwwroot\\_framework\\_bin to the main project's wwwroot\\_framework\\bin folder. It's recommended to use gzipped versions.

8) See \Samples\01\BlazorApp\Pages\LazyComponent for component level lazy loading.

### Notes

- All is provided as is without any warranty.

- The target of this concept has been "make it functional for any price". Therefore some pieces are bit "hacky".

- Developed with version 3.2.0 wasm.

### Release notes

[See](./ReleaseNotes.md)

### Thanks to Blazor team members for their work

### Thanks to Chris Sainty for his article https://chrissainty.com/an-in-depth-look-at-routing-in-blazor/