Removing Bun hosting integration - #1582
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In Aspire 13.5.0 Bun was added to the Aspire.Hosting.JavaScript package, superseding our custom hosting integration. The NuGet package is deprecated and we won't publish one in future releases.
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Copilot review overview
🟡 Changes recommended
The root README still contains leftover Bun reference-style links after removing the Bun integrations table entry.
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Review tier: Lite
Findings: 1
New issues introduced by this change (1)
| Severity | Finding |
|---|---|
 |
README.md — The Bun integration row was removed from the integrations table, but the reference-style links for… |
What changed in this PR
Removes the deprecated CommunityToolkit.Aspire.Hosting.Bun hosting integration (and its associated tests/examples) now that Bun support is available in the core Aspire.Hosting.JavaScript package.
Changes:
- Removed the
CommunityToolkit.Aspire.Hosting.Bunsource package (including generated API surface) and its test project. - Removed the Bun example AppHost (C# and TypeScript) and example Bun API content.
- Updated repository entry points (solution + root README integrations table) to stop advertising/building the Bun integration.
| File | Description |
|---|---|
| tests/CommunityToolkit.Aspire.Hosting.Bun.Tests/TypeScriptAppHostTests.cs | Removed TypeScript AppHost integration test for Bun. |
| tests/CommunityToolkit.Aspire.Hosting.Bun.Tests/CommunityToolkit.Aspire.Hosting.Bun.Tests.csproj | Removed Bun test project definition. |
| tests/CommunityToolkit.Aspire.Hosting.Bun.Tests/AppHostTests.cs | Removed Bun AppHost HTTP validation test. |
| tests/CommunityToolkit.Aspire.Hosting.Bun.Tests/AddBunAppTests.cs | Removed unit tests for deprecated Bun extension APIs. |
| src/CommunityToolkit.Aspire.Hosting.Bun/README.md | Removed Bun integration package README. |
| src/CommunityToolkit.Aspire.Hosting.Bun/CommunityToolkit.Aspire.Hosting.Bun.csproj | Removed Bun integration package project. |
| src/CommunityToolkit.Aspire.Hosting.Bun/BunInstallerResource.cs | Removed Bun installer resource type. |
| src/CommunityToolkit.Aspire.Hosting.Bun/BunAppResource.cs | Removed Bun app resource type. |
| src/CommunityToolkit.Aspire.Hosting.Bun/BunAppExtensions.cs | Removed Bun extension methods and defaults logic. |
| src/CommunityToolkit.Aspire.Hosting.Bun/api/CommunityToolkit.Aspire.Hosting.Bun.cs | Removed generated API file for Bun integration. |
| README.md | Removed Bun entry from integrations table (but see comment re: leftover reference links). |
| examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost/Properties/launchSettings.json | Removed Bun example AppHost launch settings. |
| examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost/Program.cs | Removed Bun example AppHost program. |
| examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost/CommunityToolkit.Aspire.Hosting.Bun.AppHost.csproj | Removed Bun example AppHost project. |
| examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost/appsettings.json | Removed Bun example AppHost configuration. |
| examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost.TypeScript/tsconfig.json | Removed Bun TypeScript AppHost config. |
| examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost.TypeScript/package.json | Removed Bun TypeScript AppHost package manifest. |
| examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost.TypeScript/package-lock.json | Removed Bun TypeScript AppHost lockfile. |
| examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost.TypeScript/eslint.config.mjs | Removed Bun TypeScript AppHost lint config. |
| examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost.TypeScript/bun-app/package.json | Removed Bun TypeScript sample app manifest. |
| examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost.TypeScript/bun-app/index.ts | Removed Bun TypeScript sample app code. |
| examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost.TypeScript/aspire.config.json | Removed TypeScript AppHost aspire config for Bun sample. |
| examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost.TypeScript/apphost.mts | Removed Bun TypeScript AppHost definition. |
| examples/bun/api/tsconfig.json | Removed Bun API example TypeScript config. |
| examples/bun/api/README.md | Removed Bun API example README. |
| examples/bun/api/package.json | Removed Bun API example package manifest. |
| examples/bun/api/index.ts | Removed Bun API example server. |
| examples/bun/api/.gitignore | Removed Bun API example gitignore. |
| CommunityToolkit.Aspire.slnx | Removed Bun projects from the solution. |
Files not reviewed (1)
- examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost.TypeScript/package-lock.json: Generated file
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Copilot review overview
🟢 Approval recommended
The change set consistently removes the deprecated integration and associated references without leaving remaining in-repo usages.
Review tier: Lite
Findings: 1
New issues introduced by this change (1)
| Severity | Finding |
|---|---|
|
README.md — The repo still includes a “New Aspire Hosting Integration” chatmode template that uses Bun-specific… |
Issues resolved since last review (1)
| Severity | Finding |
|---|---|
|
README.md — The Bun integration row was removed from the integrations table, but the reference-style links for… View resolved comment |
Files not reviewed (1)
- examples/bun/CommunityToolkit.Aspire.Hosting.Bun.AppHost.TypeScript/package-lock.json: Generated file
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| | - **Learn More**: [`Hosting.Azure.Dapr.Redis`](src/CommunityToolkit.Aspire.Hosting.Azure.Dapr.Redis/README.md) <br /> - Stable 📦: [](https://nuget.org/packages/CommunityToolkit.Aspire.Hosting.Azure.Dapr.Redis/) <br /> - Preview 📦: [)](https://nuget.org/packages/CommunityToolkit.Aspire.Hosting.Azure.Dapr.Redis/absoluteLatest) | An Aspire hosting integration for configuring Azure Cache for Redis as a Dapr state store or pub/sub component in your AppHost. | | ||
| | - **Learn More**: [`Hosting.Azure.DataApiBuilder`](src/CommunityToolkit.Aspire.Hosting.Azure.DataApiBuilder/README.md) <br /> - Stable 📦: [](https://nuget.org/packages/CommunityToolkit.Aspire.Hosting.Azure.DataApiBuilder/) <br /> - Preview 📦: [)](https://nuget.org/packages/CommunityToolkit.Aspire.Hosting.Azure.DataApiBuilder/absoluteLatest) | An Aspire component leveraging the Data API Builder container. | | ||
| | - **Learn More**: [`Hosting.Azure.Extensions`](src/CommunityToolkit.Aspire.Hosting.Azure.Extensions/README.md) <br /> - Stable 📦: [](https://nuget.org/packages/CommunityToolkit.Aspire.Hosting.Azure.Extensions/) <br /> - Preview 📦: [)](https://nuget.org/packages/CommunityToolkit.Aspire.Hosting.Azure.Extensions/absoluteLatest) | Azure extensions support for Aspire. | | ||
| | - **Learn More**: [`Hosting.Bitwarden.SecretManager`](src/CommunityToolkit.Aspire.Hosting.Bitwarden.SecretManager/README.md) <br /> - Stable 📦: [](https://nuget.org/packages/CommunityToolkit.Aspire.Hosting.Bitwarden.SecretManager/) <br /> - Preview 📦: [)](https://nuget.org/packages/CommunityToolkit.Aspire.Hosting.Bitwarden.SecretManager/absoluteLatest) | An Aspire hosting integration for Bitwarden Secrets Manager. | | ||
| | - **Learn More**: [`Hosting.Bun`](src/CommunityToolkit.Aspire.Hosting.Bun/README.md) <br /> - Stable 📦: [](https://nuget.org/packages/CommunityToolkit.Aspire.Hosting.Bun/) <br /> - Preview 📦: [)](https://nuget.org/packages/CommunityToolkit.Aspire.Hosting.Bun/absoluteLatest) | ⚠️ **Deprecated** — An Aspire integration for hosting Bun apps. DEPRECATED: Use Aspire.Hosting.JavaScript and builder.AddBunApp(...) instead. This package will be removed in a future release. | | ||
| | - **Learn More**: [`Hosting.Dapr`](src/CommunityToolkit.Aspire.Hosting.Dapr/README.md) <br /> - Stable 📦: [](https://nuget.org/packages/CommunityToolkit.Aspire.Hosting.Dapr/) <br /> - Preview 📦: [)](https://nuget.org/packages/CommunityToolkit.Aspire.Hosting.Dapr/absoluteLatest) | Dapr support for Aspire. | |
Odonno
approved these changes
Sep 9, 2026
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In Aspire 13.5.0 Bun was added to the Aspire.Hosting.JavaScript package, superseding our custom hosting integration. The NuGet package is deprecated and we won't publish one in future releases.
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