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Migrate Web Transport #2324

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Merged
github-actions merged 2 commits into from
Dec 26, 2025
Merged

Migrate Web Transport #2324

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6bb6a99
Migrate Web Transport
Bashamega Dec 26, 2025
b444ca3
Add implementation notes for WebTransport interface
saschanaz Dec 26, 2025
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40 changes: 0 additions & 40 deletions inputfiles/overridingTypes.jsonc
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Original file line number Diff line number Diff line change
Expand Up @@ -453,33 +453,6 @@
},
"overrideIndexSignatures": []
},
"WebTransport": {
"methods": {
"method": {
"createUnidirectionalStream": {
"signature": {
"0": {
"subtype": {
"type": "WritableStream"
}
}
}
}
}
}
},
"WebTransportBidirectionalStream": {
"properties": {
"property": {
"readable": {
"type": "ReadableStream"
},
"writable": {
"type": "WritableStream"
}
}
}
},
"Document": {
"methods": {
"method": {
Expand Down Expand Up @@ -1695,19 +1668,6 @@
]
}
},
"WebTransportDatagramDuplexStream": {
"properties": {
"property": {
// https://github.com/w3c/webtransport/pull/638 removed this but browsers still has this
"writable": {
"name": "writable",
"type": "WritableStream",
"readonly": true,
"mdnUrl": "https://developer.mozilla.org/docs/Web/API/WebTransportDatagramDuplexStream/writable"
}
}
}
},
"HTMLTableRowElement": {
"properties": {
"property": {
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20 changes: 20 additions & 0 deletions inputfiles/patches/webtransport.kdl
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Expand Up @@ -11,3 +11,23 @@ removals {
member waitUntilAvailable // No implementation as of 2025-12.
}
}

interface WebTransport {
// Only Gecko implements the return type as SendStream as of 2025-12
method createUnidirectionalStream signatureIndex=0 {
type {
type WritableStream
}
}
}

interface WebTransportBidirectionalStream {
// Only Gecko implements readable/writable as Receive/SendStream as of 2025-12
property readable type=ReadableStream
property writable type=WritableStream
}

interface WebTransportDatagramDuplexStream {
// https://github.com/w3c/webtransport/pull/638 removed this but browsers still have this
property writable type=WritableStream readonly=#true mdnUrl="https://developer.mozilla.org/docs/Web/API/WebTransportDatagramDuplexStream/writable"
}
1 change: 1 addition & 0 deletions src/build/patches.ts
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Expand Up @@ -286,6 +286,7 @@ function handleProperty(child: Node): DeepPartial<Property> {
...handleTyped(typeNodes, child.properties?.type),
...optionalMember("readonly", "boolean", child.properties?.readonly),
...optionalMember("deprecated", "string", child.properties?.deprecated),
...optionalMember("mdnUrl", "string", child.properties?.mdnUrl),
};
}

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