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feat(taildrop): stream files via ReadableStream on send and receive

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Send: accept a ReadableStreamDefaultReader instead of a Uint8Array.
jsStreamReader (new io.ReadCloser) awaits reader.read() Promises via the
channel+FuncOf pattern, feeding chunks directly to the HTTP PUT body.
No js.CopyBytesToGo of the full file.

Receive: openWaitingFile now returns a pull-based ReadableStream backed by
the Go io.ReadCloser (jsReadableStream helper). Each pull call reads up
to 64 KiB and enqueues a Uint8Array chunk; no io.ReadAll.

jsFileOps.OpenReader: JS now returns a ReadableStream instead of a
Uint8Array; Go wraps it in jsStreamReader for streaming delivery.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit was merged in pull request #11.
This commit is contained in:
Codinget
2026-06-11 21:13:04 +00:00
parent 0df765eb60
commit 21d0f11d85
2 changed files with 130 additions and 25 deletions
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cmd/tsconnect/wasm/wasm_js.go
+3 -3
View File
@@ -281,11 +281,11 @@ func newIPN(jsConfig js.Value) map[string]any {
return jsIPN.listFileTargets()
}),
"sendFile": js.FuncOf(func(this js.Value, args []js.Value) any {
if len(args) != 3 {
log.Printf("Usage: sendFile(stableNodeID, filename, data)")
if len(args) != 4 {
log.Printf("Usage: sendFile(stableNodeID, filename, stream, declaredSize)")
return nil
}
return jsIPN.sendFile(args[0].String(), args[1].String(), args[2])
return jsIPN.sendFile(args[0].String(), args[1].String(), args[2], args[3].Int())
}),
"waitingFiles": js.FuncOf(func(this js.Value, args []js.Value) any {
return jsIPN.waitingFiles()