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

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

import { AstroLogger, getEventPrefix, levels } from "../core.js";
import { matchesLevel } from "../public.js";
function nodeLogDestination(config = {}) {
	const { level = "info" } = config;
	return { write(event) {
		let dest = process.stderr;
		if (levels[event.level] < levels["error"]) {
			dest = process.stdout;
		}
		if (!matchesLevel(event.level, level)) {
			return;
		}
		let trailingLine = event.newLine ? "\n" : "";
		if (event.label === "SKIP_FORMAT") {
			dest.write(event.message + trailingLine);
		} else {
			dest.write(getEventPrefix(event) + " " + event.message + trailingLine);
		}
	} };
}
export default function(options) {
	return nodeLogDestination(options);
}
export function createNodeLoggerFromFlags(inlineConfig) {
	return new AstroLogger({
		destination: nodeLogDestination(),
		level: inlineConfig.logLevel ?? "info"
	});
}