Add streaming APIs to build cache provider interface and all cache plugins#5746

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Copilot wants to merge 33 commits intomainfrom

copilot/stream-cache-entry-for-http-plugin

Commits on Apr 5, 2026

feat: add streaming support to build cache provider interface and HTTP plugin

Copilot
and
iclanton
authored
fix lint warnings, add change files and API report update

Copilot
and
iclanton
authored
address code review feedback: improve type annotations and JSDoc

Copilot
and
iclanton
authored
Replace manual change files with rush change --bulk generated change file

Copilot
and
iclanton
authored
Add createReadStream/createWriteStream to FileSystem in node-core-library and update consumers to use FileSystem instead of fs directly

Copilot
and
iclanton
authored
Add ensureFolderExists option to FileSystem.createWriteStream

Copilot
and
iclanton
authored
Add streaming support to Amazon S3 and Azure Storage build cache plugins

Copilot
and
iclanton
authored
Address code review: add documentation for type assertion and no-retry streaming upload

Copilot
and
iclanton
authored
Gate streaming build cache behind useStreamingBuildCache experiment flag

Copilot
and
iclanton
authored
Update changelogs.
iclanton
authored
Expand FileSystem.createWriteStream.
iclanton
committed
Use destructuring on rushConfiguration in PhasedScriptAction.
iclanton
committed
Clean up some duplicated types.
iclanton
committed
Fix CI: add missing useStreamingBuildCache to bridge plugin, fix WebClient private member type mismatch

Copilot
and
iclanton
authored
DRY up duplicated code across WebClient, AmazonS3Client, and HttpBuildCacheProvider

Copilot
and
iclanton
authored
Address code review: use Buffer.isBuffer for clearer body length check

Copilot
and
iclanton
authored

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Add streaming APIs to build cache provider interface and all cache plugins#5746

Add streaming APIs to build cache provider interface and all cache plugins#5746
Copilot wants to merge 33 commits intomainfrom
copilot/stream-cache-entry-for-http-plugin

Commits on Apr 5, 2026

feat: add streaming support to build cache provider interface and HTTP plugin

fix lint warnings, add change files and API report update

address code review feedback: improve type annotations and JSDoc

Replace manual change files with rush change --bulk generated change file

Add createReadStream/createWriteStream to FileSystem in node-core-library and update consumers to use FileSystem instead of fs directly

Add ensureFolderExists option to FileSystem.createWriteStream

Add streaming support to Amazon S3 and Azure Storage build cache plugins

Address code review: add documentation for type assertion and no-retry streaming upload

Gate streaming build cache behind useStreamingBuildCache experiment flag

Update changelogs.

Expand FileSystem.createWriteStream.

Use destructuring on rushConfiguration in PhasedScriptAction.

Clean up some duplicated types.

Fix CI: add missing useStreamingBuildCache to bridge plugin, fix WebClient private member type mismatch

DRY up duplicated code across WebClient, AmazonS3Client, and HttpBuildCacheProvider

Address code review: use Buffer.isBuffer for clearer body length check

Commits on Apr 6, 2026

Change streaming cache APIs from Readable to NodeJS.ReadableStream

DRY up Azure/HTTP cache providers, fix bridge plugin experiment config

Clean up FileSystemBuildCacheProvider.

fixup! Fix CI: add missing useStreamingBuildCache to bridge plugin, fix WebClient private member type mismatch

Clean up WebClient.

Handle Content-Encoding decompression in streaming WebClient path

Fix error message to show specific unsupported encoding value

Fix CI: Move WebClient private members to module-level for rush-sdk type compatibility

Address review comments: fix response.resume race, stream retry bug, error logging, stream cleanup, and nits

Add unit tests for streaming cache APIs and fill buffer-based test gaps

Fix buffer path error message to show specific unsupported encoding value

Extract _getObjectName and _validateWriteAllowed helpers in S3 provider

Extract _getContentEncodings helper to deduplicate encoding parsing

Scope cacheEntryBuffer to its branch, use cloudCacheHit flag

Reuse a single WebClient instance in HttpBuildCacheProvider

Use property shorthand in HttpBuildCacheProvider

Fix unit test issues in streaming cache tests