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feat: allow configuration of the vite HMR server #28517

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feat: allow configuration of the vite HMR server #28517

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36 changes: 33 additions & 3 deletions packages/angular/build/src/builders/dev-server/schema.json
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Original file line number Diff line number Diff line change
Expand Up @@ -66,9 +66,39 @@
"description": "The pathname where the application will be served."
},
"hmr": {
"type": "boolean",
"description": "Enable hot module replacement.",
"default": false
"description": "Disable or configure HMR connection",
"default": false,
"oneOf": [
{
"type": "object",
"properties": {
"protocol": {
"type": "string",
"description": "The WebSocket protocol used for the HMR connection: ws (WebSocket) or wss (WebSocket Secure)."
},
"host": {
"type": "string",
"description": "The IP addresses or domain the HMR server should listen on."
},
"port": {
"type": "number",
"description": "The port the HMR server should listen on."
},
"overlay": {
"type": "boolean",
"description": "Set to false to disable the server error overlay."
},
"clientPort": {
"type": "number",
"description": "An advanced option that overrides the port only on the client side, allowing you to serve the websocket on a different port than the client code looks for it on."
}
},
"additionalProperties": false
},
{
"type": "boolean"
}
]
},
"watch": {
"type": "boolean",
Expand Down
5 changes: 3 additions & 2 deletions packages/angular/build/src/builders/dev-server/vite-server.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -218,7 +218,7 @@ export async function* serveWithVite(
// TODO: Implement support -- application builder currently does not use
break;
case ResultKind.ComponentUpdate:
assert(serverOptions.hmr, 'Component updates are only supported with HMR enabled.');
assert(!!serverOptions.hmr, 'Component updates are only supported with HMR enabled.');
// TODO: Implement support -- application builder currently does not use
break;
default:
Expand Down Expand Up @@ -430,7 +430,7 @@ async function handleUpdate(
return;
}

if (serverOptions.liveReload || serverOptions.hmr) {
if (serverOptions.liveReload || !!serverOptions.hmr) {
if (updatedFiles.every((f) => f.endsWith('.css'))) {
const timestamp = Date.now();
server.hot.send({
Expand Down Expand Up @@ -613,6 +613,7 @@ export async function setupServer(
open: serverOptions.open,
headers: serverOptions.headers,
proxy,
hmr: serverOptions.hmr,
cors: {
// Allow preflight requests to be proxied.
preflightContinue: true,
Expand Down