Files
openchamber/packages/web/server/lib/notifications/message.js
T
Bohdan Triapitsyn f884919165 fix: keep notification summaries in plain text
- Force notification summaries to avoid markdown formatting
- Normalize generated notification text before system display
- Cover plain-text notification formatting with tests
2026-04-06 17:40:20 +03:00

71 lines
2.4 KiB
JavaScript

const DEFAULT_NOTIFICATION_MESSAGE_MAX_LENGTH = 250;
const DEFAULT_NOTIFICATION_SUMMARY_THRESHOLD = 200;
const DEFAULT_NOTIFICATION_SUMMARY_LENGTH = 100;
const resolvePositiveNumber = (value, fallback) => {
if (typeof value !== 'number' || !Number.isFinite(value) || value <= 0) {
return fallback;
}
return value;
};
const normalizeNotificationPlainText = (text) => {
if (typeof text !== 'string') {
return '';
}
return text
.replace(/```[\s\S]*?```/g, ' ')
.replace(/`([^`]*)`/g, '$1')
.replace(/^[\t ]*[-*+]\s+/gm, '')
.replace(/^#{1,6}\s+/gm, '')
.replace(/\*\*(.*?)\*\*/g, '$1')
.replace(/__(.*?)__/g, '$1')
.replace(/\*(.*?)\*/g, '$1')
.replace(/_(.*?)_/g, '$1')
.replace(/\[(.*?)\]\((.*?)\)/g, '$1')
.replace(/\s*\n\s*/g, ' ')
.replace(/\s+/g, ' ')
.trim();
};
export const truncateNotificationText = (text, maxLength = DEFAULT_NOTIFICATION_MESSAGE_MAX_LENGTH) => {
if (typeof text !== 'string') {
return '';
}
const safeMaxLength = resolvePositiveNumber(maxLength, DEFAULT_NOTIFICATION_MESSAGE_MAX_LENGTH);
if (text.length <= safeMaxLength) {
return text;
}
return `${text.slice(0, safeMaxLength)}...`;
};
export const prepareNotificationLastMessage = async ({ message, settings, summarize }) => {
const originalMessage = typeof message === 'string' ? message : '';
if (!originalMessage) {
return '';
}
const shouldSummarize = settings?.summarizeLastMessage === true && typeof summarize === 'function';
const summaryThreshold = resolvePositiveNumber(settings?.summaryThreshold, DEFAULT_NOTIFICATION_SUMMARY_THRESHOLD);
const summaryLength = resolvePositiveNumber(settings?.summaryLength, DEFAULT_NOTIFICATION_SUMMARY_LENGTH);
const maxLastMessageLength = resolvePositiveNumber(settings?.maxLastMessageLength, DEFAULT_NOTIFICATION_MESSAGE_MAX_LENGTH);
let messageForNotification = originalMessage;
if (shouldSummarize && originalMessage.length > summaryThreshold) {
try {
const summary = await summarize(originalMessage, summaryLength);
if (typeof summary === 'string' && summary.trim().length > 0) {
messageForNotification = summary;
}
} catch {
messageForNotification = originalMessage;
}
}
const plainTextMessage = normalizeNotificationPlainText(messageForNotification) || normalizeNotificationPlainText(originalMessage);
return truncateNotificationText(plainTextMessage, maxLastMessageLength);
};