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perf(routing): cache route and mention regex resolution

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This commit is contained in:
Peter Steinberger
2026-03-02 23:00:28 +00:00
parent a81704e622
commit ba5ae5b4f1
2 changed files with 93 additions and 12 deletions
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18
src/auto-reply/reply/mentions.ts
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@@ -21,6 +21,8 @@ function deriveMentionPatterns(identity?: { name?: string; emoji?: string }) {
}
const BACKSPACE_CHAR = "\u0008";
const mentionRegexCompileCache = new Map<string, RegExp[]>();
const MAX_MENTION_REGEX_COMPILE_CACHE_KEYS = 512;
export const CURRENT_MESSAGE_MARKER = "[Current message - respond to this]";
@@ -54,7 +56,15 @@ function resolveMentionPatterns(cfg: OpenClawConfig | undefined, agentId?: strin
export function buildMentionRegexes(cfg: OpenClawConfig | undefined, agentId?: string): RegExp[] {
const patterns = normalizeMentionPatterns(resolveMentionPatterns(cfg, agentId));
return patterns
if (patterns.length === 0) {
return [];
}
const cacheKey = patterns.join("\u001f");
const cached = mentionRegexCompileCache.get(cacheKey);
if (cached) {
return [...cached];
}
const compiled = patterns
.map((pattern) => {
try {
return new RegExp(pattern, "i");
@@ -63,6 +73,12 @@ export function buildMentionRegexes(cfg: OpenClawConfig | undefined, agentId?: s
}
})
.filter((value): value is RegExp => Boolean(value));
mentionRegexCompileCache.set(cacheKey, compiled);
if (mentionRegexCompileCache.size > MAX_MENTION_REGEX_COMPILE_CACHE_KEYS) {
mentionRegexCompileCache.clear();
mentionRegexCompileCache.set(cacheKey, compiled);
}
return [...compiled];
}
export function normalizeMentionText(text: string): string {