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Blazor Web App - Persist Style & Scripts #19410

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merged 3 commits into from
Mar 25, 2024
Merged

Blazor Web App - Persist Style & Scripts #19410

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262df29
Persist component state for WebApp Styles
enisn Mar 25, 2024
6107bc5
Update AbpStyles.razor
enisn Mar 25, 2024
f02af63
Persist component state for WebApp Scripts
enisn Mar 25, 2024
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27 changes: 25 additions & 2 deletions framework/src/Volo.Abp.AspNetCore.Components.Web.Theming/Bundling/AbpScripts.razor
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Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
@using Volo.Abp
@implements IDisposable
@inject IComponentBundleManager BundleManager
@inject PersistentComponentState PersistentComponentState

@if (ScriptFiles != null)
{
Expand All @@ -18,16 +20,37 @@

private List<string>? ScriptFiles { get; set; }

private PersistingComponentStateSubscription persistingSubscription;

protected override async Task OnInitializedAsync()
{
if (BundleName == null)
{
throw new AbpException("The BundleName parameter of the AbpScripts component can not be null!");
}
ScriptFiles = (await BundleManager.GetScriptBundleFilesAsync(BundleName!)).ToList();

persistingSubscription = PersistentComponentState.RegisterOnPersisting(PersistScriptFiles);

if (PersistentComponentState.TryTakeFromJson<List<string>>(nameof(ScriptFiles), out var restoredStyleFiles))
{
ScriptFiles = restoredStyleFiles;
}
else
{
ScriptFiles = (await BundleManager.GetScriptBundleFilesAsync(BundleName!)).ToList();
}

if (OperatingSystem.IsBrowser() && WebAssemblyScriptFiles != null)
{
ScriptFiles.AddRange(WebAssemblyScriptFiles);
ScriptFiles?.AddRange(WebAssemblyScriptFiles);
}
}

private Task PersistScriptFiles()
{
PersistentComponentState.PersistAsJson(nameof(ScriptFiles), ScriptFiles);
return Task.CompletedTask;
}

public void Dispose() => persistingSubscription.Dispose();
}
29 changes: 26 additions & 3 deletions framework/src/Volo.Abp.AspNetCore.Components.Web.Theming/Bundling/AbpStyles.razor
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Original file line number Diff line number Diff line change
@@ -1,11 +1,13 @@
@using Volo.Abp
@implements IDisposable
@inject IComponentBundleManager BundleManager
@inject PersistentComponentState PersistentComponentState

@if (StyleFiles != null)
{
foreach (var file in StyleFiles)
{
<link rel="stylesheet" href="@file"/>
<link rel="stylesheet" href="@file" />
}
}

Expand All @@ -18,16 +20,37 @@

private List<string>? StyleFiles { get; set; }

private PersistingComponentStateSubscription persistingSubscription;

protected override async Task OnInitializedAsync()
{
if (BundleName == null)
{
throw new AbpException("The BundleName parameter of the AbpStyles component can not be null!");
}
StyleFiles = (await BundleManager.GetStyleBundleFilesAsync(BundleName!)).ToList();

persistingSubscription = PersistentComponentState.RegisterOnPersisting(PersistStyleFiles);

if (PersistentComponentState.TryTakeFromJson<List<string>>(nameof(StyleFiles), out var restoredStyleFiles))
{
StyleFiles = restoredStyleFiles;
}
else
{
StyleFiles = (await BundleManager.GetStyleBundleFilesAsync(BundleName!)).ToList();
}

if (OperatingSystem.IsBrowser() && WebAssemblyStyleFiles != null)
{
StyleFiles.AddRange(WebAssemblyStyleFiles);
StyleFiles?.AddRange(WebAssemblyStyleFiles);
}
}

private Task PersistStyleFiles()
{
PersistentComponentState.PersistAsJson(nameof(StyleFiles), StyleFiles);
return Task.CompletedTask;
}

public void Dispose() => persistingSubscription.Dispose();
}
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