SourceOnlyExample

Author: andrewlock

SourceOnlyExample/.gitignore

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+namespace Helpers
+{
+    internal class Class1
+    {
+        public static void SayHello() => global::System.Console.WriteLine("Hello!");
+    }
+}

SourceOnlyExample/SourceOnlyExample/Class1.cs

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <ImplicitUsings>disable</ImplicitUsings>
+    <Nullable>disable</Nullable>
+    <NuSpecFile>SourceOnlyExample.nuspec</NuSpecFile>
+  </PropertyGroup>
+
+</Project>

SourceOnlyExample/SourceOnlyExample/SourceOnlyExample.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
+  <metadata>
+    <id>SourceOnlyExample</id>
+    <version>1.0.0</version>
+    <developmentDependency>true</developmentDependency>
+    <authors>Andrew Lock</authors>
+    <license type="expression">MIT</license>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <projectUrl>https://andrewlock.net/creating-source-only-nuget-packages/</projectUrl>
+    <description>An example source-code only package</description>
+    <tags>source compiletime</tags>
+  </metadata>
+  <files>
+      <!--
+      The files are included twice:
+        As contentFiles (for PackageReferences)
+        As content (for packages.config).
+      -->
+      <file src="*.cs" target="contentFiles/cs/netstandard2.0/SourceOnlyExample/"/>
+      <file src="*.cs" target="content/cs/netstandard2.0/SourceOnlyExample/"/>
+
+      <!-- Hide content files from Visual Studio solution explorer  -->
+      <file src="SourceOnlyExample.props" target="build/SourceOnlyExample.props" />
+  </files>
+</package>

SourceOnlyExample/SourceOnlyExample/SourceOnlyExample.nuspec

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+<Project>
+  <!--
+    Hide content files from Visual Studio solution explorer. Adapted from:
+    https://til.cazzulino.com/dotnet/nuget/hide-contentfiles-from-your-nuget-packages
+   -->
+  <ItemGroup>
+    <Compile Update="@(Compile)">
+      <Visible Condition="'%(NuGetItemType)' == 'Compile' and '%(NuGetPackageId)' == 'SourceOnlyExample'">false</Visible>
+    </Compile>
+  </ItemGroup>
+</Project>

SourceOnlyExample/SourceOnlyExample/SourceOnlyExample.props

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+Helpers.Class1.SayHello();

SourceOnlyExample/TestApp/Program.cs

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="SourceOnlyExample" Version="1.0.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+</Project>

SourceOnlyExample/TestApp/TestApp.csproj

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+$ErrorActionPreference = "Stop"
+dotnet build -c Release ./SourceOnlyExample/SourceOnlyExample.csproj
+dotnet pack -c Release ./SourceOnlyExample/SourceOnlyExample.csproj
+rm -r -Force ./packages/* 
+dotnet remove ./TestApp/TestApp.csproj package  SourceOnlyExample
+dotnet add ./TestApp/TestApp.csproj package SourceOnlyExample --package-directory ./packages --source ./SourceOnlyExample/bin/Release/
+dotnet build ./TestApp/TestApp.csproj --packages ./packages
+dotnet run --no-build --project ./TestApp/TestApp.csproj