import { encodeTONL } from "tonl";
import { LogEntry } from "./types.js";
import { NetworkRequest } from "./types.js";
// Output format type
export type OutputFormat = "text" | "tonl";
// TONL format hint to include in responses
const TONL_HINT = "[Format: TONL - compact token-optimized format. Fields in header, values in rows.]\n";
// Truncate message helper
function truncateMessage(message: string, maxLength: number): string {
if (maxLength <= 0 || message.length <= maxLength) {
return message;
}
return message.slice(0, maxLength) + `...[${message.length}ch]`;
}
// Format logs as TONL
export function formatLogsAsTonl(
logs: LogEntry[],
options: { maxMessageLength?: number } = {}
): string {
const { maxMessageLength = 500 } = options;
const data = logs.map((log) => ({
time: log.timestamp.toLocaleTimeString(),
level: log.level.toUpperCase(),
msg: truncateMessage(log.message, maxMessageLength)
}));
return TONL_HINT + encodeTONL({ logs: data });
}
// Format network requests as TONL (compact list view)
export function formatNetworkAsTonl(requests: NetworkRequest[]): string {
const data = requests.map((req) => ({
id: req.requestId,
time: req.timestamp.toLocaleTimeString(),
method: req.method,
status: req.status ?? "pending",
duration: req.timing?.duration ? `${req.timing.duration}ms` : "-",
url: req.url,
error: req.error || undefined
}));
return TONL_HINT + encodeTONL({ requests: data });
}
