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Microsoft Open Source · microsoft/typespecMerged · Microsoft TypeSpec (PR #11660)

Fix playground sample config synchronization (#11660)

Sole Author: Patrick Ribbsaeter (@patrickswedish) · Immutable Commit SHA: 7c995f21898ff44a36564a811d55fd2fcb474607

API definition language workspace fix preserving sample emitter options and compiler configuration synchronization across Monaco model transitions in Microsoft TypeSpec.

Fix playground sample config synchronization (#11660)

PR #11660

Merged Mainline

7c995f2

Immutable Git SHA

TypeScript

Compiler

49 Compiler Checks Green

CI & Test Matrix

01 · Engineering problem

The failure mode

Switching samples in the TypeSpec Playground triggered asynchronous Monaco editor model callbacks that raced with newly loaded sample configuration, overwriting compiler options with stale state.

02 · Technical response

What changed

  1. 01Guarded Monaco model synchronization during programmatic sample transitions in TypeSpec's playground state store.
  2. 02Added state-transition unit tests verifying deterministic sample configuration loading.

03 · Verified outcome

Evidence-backed result

  • ✓Eliminated stale editor callback overwrites when switching TypeSpec Playground samples.
  • ✓Passed 11/11 CI checks and merged upstream into microsoft/typespec as commit 7c995f21898ff44a36564a811d55fd2fcb474607.

04 · Cryptographic Git record

Immutable source evidence

TypeScriptMicrosoft TypeSpecMonaco EditorCompiler ToolingState Synchronization

Independent open-source engineering authored solely by Patrick Ribbsaeter (@patrickswedish). Company and project names identify the public repository context only under nominative fair use. No employment, client, vendor, or partnership relationship is implied unless explicitly stated.