astro/dist/core/logger/impls/json.js

Astro is a modern site builder with web best practices, performance, and DX front-of-mind.

import { AstroLogger, levels } from "../core.js";
import { matchesLevel } from "../public.js";
export const SGR_REGEX = new RegExp(`${String.fromCharCode(27)}\\[[0-9;]*m`, "g");
export default function jsonLoggerDestination(config = {}) {
	const { pretty = false, level = "info" } = config;
	return { write(event) {
		if (!matchesLevel(event.level, level)) {
			return;
		}
		const dest = levels[event.level] >= levels["error"] ? console.error : console.info;
		const message = event.message.replace(SGR_REGEX, "");
		const payload = pretty ? JSON.stringify({
			message,
			label: event.label,
			level: event.level
		}, null, 2) : JSON.stringify({
			message,
			label: event.label,
			level: event.level
		});
		dest(payload);
	} };
}
export function createJsonLoggerFromFlags(config) {
	return new AstroLogger({
		destination: jsonLoggerDestination({ pretty: false }),
		level: config.logLevel ?? "info"
	});
}