BlazorViewport

• Monitors viewport resize and reports breakpoint changes.

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1. Install Package

dotnet add package JxdTech.BlazorViewport 

2. _imports.razor

@using BlazorViewport 

3. App.razor

// Wrap Contents of App.razor with Viewport
<Viewport>
    <Router AppAssembly="@typeof(App).Assembly">
        ...
    </Router>
</Viewport>

4. Index.razor / Any Component

@inherits ViewportComponentBase

• contains Viewport:IViewport
• Viewport has 2 properties
  1. bool IsRendered { get; }
     • Changes to true After JSRuntime is available and event listeners are registered
  2. Breakpoint Breakpoint { get; }
     • provides current breakpoint

5. (optional) Customize ViewportOptions in appsettings.json

• Default ViewportOptions

   "ViewportOptions": {
  
       "EnableLogging": false,
  
       "NotifyOnInitialize": true,
  
       "Breakpoints" : {
           "5" : 1400, // Xxl
           "4" : 1200, // Xl
           "3" : 992, // Lg
           "2" : 768, // Md
           "1" : 576, // Sm
           "0" : 0 // Xs
       }
   }
  

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Demo Application

View Demo app for simple example

1. App.razor
   • Uses Viewport
2. Pages/Index.razor
   • implements ViewportComponentBase
3. appsettings.json
   • configures ViewportOptions
4. appsettings.Development.json
   • configures Development ViewportOptions

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