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web: prevent duplicate messages

This commit is contained in:
Jens Langhammer 2021-03-12 12:41:17 +01:00
parent a63702ef90
commit b63b789f77
1 changed files with 12 additions and 4 deletions
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16
web/src/elements/messages/MessageContainer.ts
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@ -8,7 +8,7 @@ export function showMessage(message: APIMessage): void {
if (!container) { if (!container) {
throw new Error("failed to find message container"); throw new Error("failed to find message container");
} }
container.messages.push(message); container.addMessage(message);
container.requestUpdate(); container.requestUpdate();
} }
@ -34,6 +34,14 @@ export class MessageContainer extends LitElement {
} }
} }
// add a new message, but only if the message isn't currently shown.
addMessage(message: APIMessage): void {
const matchingMessages = this.messages.filter(m => m.message == message.message);
if (matchingMessages.length < 1) {
this.messages.push(message);
}
}
connect(): void { connect(): void {
if (navigator.webdriver) return; if (navigator.webdriver) return;
const wsUrl = `${window.location.protocol.replace("http", "ws")}//${ const wsUrl = `${window.location.protocol.replace("http", "ws")}//${
@ -60,7 +68,7 @@ export class MessageContainer extends LitElement {
}); });
this.messageSocket.addEventListener("message", (e) => { this.messageSocket.addEventListener("message", (e) => {
const data = JSON.parse(e.data); const data = JSON.parse(e.data);
this.messages.push(data); this.addMessage(data);
this.requestUpdate(); this.requestUpdate();
}); });
this.messageSocket.addEventListener("error", (e) => { this.messageSocket.addEventListener("error", (e) => {
@ -76,8 +84,8 @@ export class MessageContainer extends LitElement {
.message=${m} .message=${m}
.onRemove=${(m: APIMessage) => { .onRemove=${(m: APIMessage) => {
this.messages = this.messages.filter((v) => v !== m); this.messages = this.messages.filter((v) => v !== m);
this.requestUpdate(); this.requestUpdate();
}}> }}>
</ak-message>`; </ak-message>`;
})} })}
</ul>`; </ul>`;