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fix: always check typeof BroadcastChannel #12937

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fix: always check typeof BroadcastChannel #12937

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958ebdf
fix: safely call postMessage
maiconcarraro May 4, 2025
808efb1
fix: change logic
maiconcarraro May 4, 2025
5cf6928
Merge branch 'main' into main
ThangHuuVu May 10, 2025
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13 changes: 7 additions & 6 deletions packages/next-auth/src/react.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -67,13 +67,10 @@ export const __NEXTAUTH: AuthClientConfig = {
_getSession: () => {},
}

// https://github.com/nextauthjs/next-auth/pull/10762
let broadcastChannel: BroadcastChannel | null = null

function getNewBroadcastChannel() {
return new BroadcastChannel("next-auth")
}

function broadcast() {
if (typeof BroadcastChannel === "undefined") {
return {
postMessage: () => {},
Expand All @@ -82,6 +79,10 @@ function broadcast() {
}
}

return new BroadcastChannel("next-auth")
}

function broadcast() {
if (broadcastChannel === null) {
broadcastChannel = getNewBroadcastChannel()
}
Expand Down Expand Up @@ -180,8 +181,8 @@ export async function getSession(params?: GetSessionParams) {
params
)
if (params?.broadcast ?? true) {
const broadcastChannel = getNewBroadcastChannel()
broadcastChannel.postMessage({
// https://github.com/nextauthjs/next-auth/pull/11470
getNewBroadcastChannel().postMessage({
event: "session",
data: { trigger: "getSession" },
})
Expand Down
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