[docs] Support alternative TypeScript AppHost toolchains (Bun, Yarn, pnpm)#746
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IEvangelist merged 3 commits intorelease/13.3from Apr 23, 2026
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…pnpm) - Add toolchain detection and declaration section to typescript-apphost.mdx - Update prerequisites.mdx to list all supported package managers - Update aspire-doctor.mdx to mention JavaScript toolchain environment check Documents changes from microsoft/aspire#16162. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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sebastienros
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Apr 22, 2026
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This should target 13.3 though |
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I updated the target branch |
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Pull request overview
Updates Aspire docs to reflect new TypeScript AppHost support for alternative Node package-manager toolchains (Bun, Yarn, pnpm) in addition to npm, including detection behavior and aspire doctor validation.
Changes:
- Expanded TypeScript AppHost documentation with a “Package manager toolchain” section (detection, configuration examples, and command mapping).
- Updated prerequisites to list supported package managers and link to install guides.
- Updated
aspire doctordocs to mention JavaScript toolchain validation for TypeScript AppHosts.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| src/frontend/src/content/docs/app-host/typescript-apphost.mdx | Adds toolchain detection/configuration details and a command substitution table; links to aspire doctor. |
| src/frontend/src/content/docs/get-started/prerequisites.mdx | Updates TypeScript prerequisites to include npm/pnpm/Yarn/Bun and installation links. |
| src/frontend/src/content/docs/reference/cli/commands/aspire-doctor.mdx | Notes that environment checks include JavaScript toolchain validation for TypeScript AppHosts. |
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Co-authored-by: David Pine <david.pine@microsoft.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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Hey @sebastienros - is this supposed to target 
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Documents changes from microsoft/aspire#16162 by @sebastienros.
Targeting
main—release/13.3does not yet exist onmicrosoft/aspire.dev, so falling back tomain(resolved from PR milestone "13.3").Why this PR is needed
PR microsoft/aspire#16162 added support for non-npm JavaScript toolchains in TypeScript AppHosts. The CLI now auto-detects Bun, Yarn, and pnpm from
package.jsonpackageManagermetadata and common lockfiles, and substitutes the matching install, run, and watch commands. A newaspire doctorenvironment check was also added for the detected toolchain. The existing docs only mentioned npm (and occasionally pnpm) — users on Bun or Yarn had no guidance.What was changed
Files modified
src/frontend/src/content/docs/app-host/typescript-apphost.mdx— Added a new "Package manager toolchain" section documenting:packageManagerfield inpackage.json, then lockfiles, then parent directory walk (up to 8 levels)package.jsonaspire doctorcheckaspire doctorcommand pagepackage.jsondescription to mention the toolchain-awaredevscriptsrc/frontend/src/content/docs/get-started/prerequisites.mdx— Updated the TypeScript AppHost prerequisite description to list all supported package managers (npm, pnpm, Yarn, Bun) with links to their install pages.src/frontend/src/content/docs/reference/cli/commands/aspire-doctor.mdx— Updated the environment checks bullet to mention JavaScript toolchain validation.