fix(core): prevent private-field brand-check runtime crashes #1648
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…eck crashes - Replace JS private fields with module-scoped WeakMaps on hot paths: - core/api-promise.ts (APIPromise ↔ client) - core/pagination.ts (AbstractPage ↔ client) - core/streaming.ts (Stream ↔ client; tee preserves client) - client.ts (replace #encoder with private field; private baseURLOverridden) - Add minimal inline rationale comments; no issue links in code. - Remove temporary repros under tests/temp/. - No public API changes.
- APIPromise: detached then/catch/finally do not throw private-field TypeError - Pagination: AbstractPage.getNextPage guarded under detachment - Streaming: Stream.tee remains stable under detachment
SkinnnyJay
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Changes being requested
Replace class private fields with module-scoped
WeakMapsto prevent runtime crashes caused by JavaScript private field brand checks across duplicate SDK installations.Core changes:
#privatefields withWeakMap-basedencapsulation in core componentscore/api-promise.ts,core/pagination.ts, andcore/streaming.tsWeakMapapproachTest coverage:
cross-copymethod compatibility works correctlyAdditional context & links
Bug: #1590
This addresses
"TypeError: Cannot read private member"runtime crashes that occur when methods from different SDK copies interact, particularly in environments with duplicate SDK installations.Problem:
JavaScript private field brand checks fail when instances cross module boundaries between different SDK copies, causing runtime errors in production environments.
Solution:
WeakMaps provide the same encapsulation benefits as private fields, but don't enforce brand checks, allowing instances from different SDK copies to interoperate safely.
Impact:
✅ I understand that this repository is auto-generated, and my pull request may not be merged