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perf(runtime): trim hot-path allocations and cache channel plugin lookups

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This commit is contained in:
Peter Steinberger
2026-03-02 23:55:33 +00:00
parent dba47f349f
commit d3dc4e54f7
6 changed files with 148 additions and 74 deletions
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34
src/auto-reply/tokens.ts
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@@ -3,6 +3,31 @@ import { escapeRegExp } from "../utils.js";
export const HEARTBEAT_TOKEN = "HEARTBEAT_OK";
export const SILENT_REPLY_TOKEN = "NO_REPLY";
const silentExactRegexByToken = new Map<string, RegExp>();
const silentTrailingRegexByToken = new Map<string, RegExp>();
function getSilentExactRegex(token: string): RegExp {
const cached = silentExactRegexByToken.get(token);
if (cached) {
return cached;
}
const escaped = escapeRegExp(token);
const regex = new RegExp(`^\\s*${escaped}\\s*$`);
silentExactRegexByToken.set(token, regex);
return regex;
}
function getSilentTrailingRegex(token: string): RegExp {
const cached = silentTrailingRegexByToken.get(token);
if (cached) {
return cached;
}
const escaped = escapeRegExp(token);
const regex = new RegExp(`(?:^|\\s+|\\*+)${escaped}\\s*$`);
silentTrailingRegexByToken.set(token, regex);
return regex;
}
export function isSilentReplyText(
text: string | undefined,
token: string = SILENT_REPLY_TOKEN,
@@ -10,11 +35,9 @@ export function isSilentReplyText(
if (!text) {
return false;
}
const escaped = escapeRegExp(token);
// Match only the exact silent token with optional surrounding whitespace.
// This prevents
// substantive replies ending with NO_REPLY from being suppressed (#19537).
return new RegExp(`^\\s*${escaped}\\s*$`).test(text);
// This prevents substantive replies ending with NO_REPLY from being suppressed (#19537).
return getSilentExactRegex(token).test(text);
}
/**
@@ -23,8 +46,7 @@ export function isSilentReplyText(
* If the result is empty, the entire message should be treated as silent.
*/
export function stripSilentToken(text: string, token: string = SILENT_REPLY_TOKEN): string {
const escaped = escapeRegExp(token);
return text.replace(new RegExp(`(?:^|\\s+|\\*+)${escaped}\\s*$`), "").trim();
return text.replace(getSilentTrailingRegex(token), "").trim();
}
export function isSilentReplyPrefixText(