23 lines
578 B
TypeScript
23 lines
578 B
TypeScript
export const HEARTBEAT_TOKEN = "HEARTBEAT_OK";
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export const SILENT_REPLY_TOKEN = "NO_REPLY";
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function escapeRegExp(value: string): string {
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return value.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
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}
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export function isSilentReplyText(
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text: string | undefined,
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token: string = SILENT_REPLY_TOKEN,
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): boolean {
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if (!text) {
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return false;
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}
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const escaped = escapeRegExp(token);
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const prefix = new RegExp(`^\\s*${escaped}(?=$|\\W)`);
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if (prefix.test(text)) {
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return true;
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}
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const suffix = new RegExp(`\\b${escaped}\\b\\W*$`);
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return suffix.test(text);
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}
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