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fix(twitch/chat): chat spam bypass modifying when disabled #1195

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fix(twitch/chat): chat spam bypass modifying when disabled #1195

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529b51e
fix(twitch/chat): avoid modifying duplicate message when option is di…
pimothyxd Dec 25, 2025
478c902
chore: update changelog
pimothyxd Dec 25, 2025
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4 changes: 4 additions & 0 deletions CHANGELOG-nightly.md
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Original file line number Diff line number Diff line change
@@ -1,3 +1,7 @@
### 3.1.15.2000

- Fixed an issue that caused duplicate messages to be modified without the bypass option enabled

### 3.1.15.1000

- Added required Firefox built-in consent metadata to the manifest
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14 changes: 14 additions & 0 deletions src/site/twitch.tv/modules/chat-input/ChatSpam.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -52,8 +52,10 @@ const emit = defineEmits<{

const chatModule = getModuleRef<"TWITCH", "chat">("chat");
const rootEl = toRef(props.instance.domNodes, "root");

const aprilFoolsDisabled = useConfig<boolean>("chat.font-april-fools", false);
const aprilFoolsDismissed = useConfig<boolean>("chat.font-april-fools-dismissed", false);
const shouldBypassDuplicateCheck = useConfig("chat_input.spam.bypass_duplicate");

const suggestContainer = useFloatScreen(rootEl, {
enabled: () => props.suggest,
Expand Down Expand Up @@ -81,6 +83,7 @@ function handleAprilFoolsAnswer(answer: string): void {
}
aprilFoolsDismissed.value = true;
}

let prevMessage = "";
function handleDuplicateMessage(content: string): string {
if (typeof content === "string" && content === prevMessage) {
Expand All @@ -106,12 +109,23 @@ watch(
chatModule,
(mod) => {
if (!mod || !mod.instance) return;
if (!shouldBypassDuplicateCheck.value) return;

mod.instance.messageSendMiddleware.set("handle-dupe", handleDuplicateMessage);
},
{ immediate: true },
);

watch(shouldBypassDuplicateCheck, (shouldBypass) => {
if (!chatModule.value?.instance) return;

if (shouldBypass) {
chatModule.value.instance.messageSendMiddleware.set("handle-dupe", handleDuplicateMessage);
} else {
chatModule.value.instance.messageSendMiddleware.delete("handle-dupe");
}
});

onUnmounted(() => {
if (!chatModule.value?.instance) return;

Expand Down