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Sample on how to deal with computed js files in static web assets #385

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Sample on how to deal with computed js files in static web assets #385

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7b28f16
Deal with computed assets
javiercn Sep 28, 2021
1725929
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javiercn Sep 28, 2021
b66126c
Further simplify targets
javiercn Sep 28, 2021
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2 changes: 2 additions & 0 deletions ...spNetCore.Components.CustomElements/Microsoft.AspNetCore.Components.CustomElements.csproj
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@
<Import Project="js\WebpackBuild.targets" />

<PropertyGroup>
<NpmFolder>js\</NpmFolder>
<NpmCommand>npm run build:$(Configuration)</NpmCommand>
<TargetFramework>net6.0</TargetFramework>
<Nullable>enable</Nullable>
<IsPackable>true</IsPackable>
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33 changes: 12 additions & 21 deletions ...CustomElements/src/Microsoft.AspNetCore.Components.CustomElements/js/WebpackBuild.targets
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@@ -1,38 +1,29 @@
<Project>

<PropertyGroup>
<WebpackOutputFile>wwwroot\BlazorCustomElements.js</WebpackOutputFile>
<DefaultItemExcludes>**\dist\**;**\*.targets;$(DefaultItemExcludes)</DefaultItemExcludes>
</PropertyGroup>

<ItemGroup>
<WebpackBuildInputs Include="$(MSBuildThisFileDirectory)**" Exclude="$(MSBuildThisFileDirectory)node_modules\**" />
<WebpackBuildInputs Include="$(BaseIntermediateOutputPath)webpackconfig.txt" />
<UpToDateCheckInput Include="@(WebpackBuildInputs)" />
<NpmBuildInputs Include="$(NpmFolder)**" Exclude="$(DefaultItemExcludes)" />
</ItemGroup>

<!-- If package-lock.json has changed, perform an NPM install -->
<Target Name="NpmInstall"
Inputs="$(MSBuildThisFileDirectory)package-lock.json"
Outputs="$(BaseIntermediateOutputPath)package-lock.json">
<Target Name="NpmInstall" Inputs="$(NpmFolder)package-lock.json" Outputs="$(NpmFolder)node_modules\.package-lock.json">
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We still need to copy package-lock.json to BaseIntermediateOutputPath or similar if we want the incrementalism to work here

<Message Importance="high" Text="Running npm install..." />
<Exec Command="npm install" WorkingDirectory="$(MSBuildThisFileDirectory)" />
<Copy SourceFiles="$(MSBuildThisFileDirectory)package-lock.json"
DestinationFolder="$(BaseIntermediateOutputPath)" />
<Exec Command="npm install" WorkingDirectory="$(NpmFolder)" />
</Target>

<!-- If any source file in this dir or below has changed, perform a Webpack build -->
<Target Name="TrackWebpackBuildConfig">
<WriteLinesToFile File="$(BaseIntermediateOutputPath)webpackconfig.txt" Lines="$(Configuration)" Overwrite="true" WriteOnlyWhenDifferent="true" />
</Target>
<Target Name="NpmRunBuild" DependsOnTargets="NpmInstall" BeforeTargets="AssignTargetPaths" Inputs="@(NpmBuildInputs)" Outputs="$(IntermediateOutputPath)npmbuild.complete.txt">
<Exec Command="$(NpmCommand) -- -o $(IntermediateOutputPath)\npm" WorkingDirectory="$(NpmFolder)" />

<Target Name="WebpackBuild" DependsOnTargets="NpmInstall; TrackWebpackBuildConfig" BeforeTargets="AssignTargetPaths"
Inputs="@(WebpackBuildInputs)"
Outputs="$(WebpackOutputFile)">
<Exec Command="npm run build:$(Configuration)" WorkingDirectory="$(MSBuildThisFileDirectory)" />
<ItemGroup>
<Content Remove="$(WebpackOutputFile)" />
<Content Include="$(WebpackOutputFile)" />
<_NpmOutput Include="$(IntermediateOutputPath)\npm\**"></_NpmOutput>
<Content Include="@(_NpmOutput)" Link="wwwroot\%(_NpmOutput.RecursiveDir)\%(_NpmOutput.FileName)%(_NpmOutput.Extension)" />
<FileWrites Include="$(IntermediateOutputPath)npmbuild.complete.txt" />
</ItemGroup>

<WriteLinesToFile File="$(IntermediateOutputPath)npmbuild.complete.txt" Lines="@(_NpmOutput)" />
</Target>

</Project>