@evojs/logger/log.js

Nodejs logger

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Log = void 0;
/* eslint-disable lodash/prefer-lodash-typecheck */
const callsite_1 = require("@evojs/callsite");
const utils_1 = require("./utils");
const FORMAT_REPLACE_MASK = /\{\{\s*([a-zA-Z_$][0-9a-zA-Z_$]+)(?:\s*\|\s*([a-zA-Z_$][0-9a-zA-Z_$]+))?\s*\}\}/g;
const INTERNAL_CALLSITE_DEPTH = 2;
class Log {
	constructor(name, formats, pipes, level, args, callsiteDepth = 0) {
		this.name = name;
		this.formats = formats;
		this.pipes = pipes;
		this.level = level;
		this.args = args;
		this.callsiteDepth = callsiteDepth;
		this.date = Date.now();
		if (callsiteDepth > 0) {
			this.callsite = callsite_1.Callsite.get(callsiteDepth + INTERNAL_CALLSITE_DEPTH, 1)[0];
		}
	}
	/**
	 * Get formatted messages.
	 */
	messages() {
		return this.formats.map((f) => {
			if (f === 'json') {
				return (0, utils_1.toJson)(this.toMessage());
			}
			if (typeof f === 'function') {
				return f.call(this.pipes, this.toMessage());
			}
			Log.lineLength = process.stdout.columns;
			const stringMessage = f.replace(FORMAT_REPLACE_MASK, (_, propName, pipeName) => {
				const prop = this[propName];
				if (pipeName !== undefined) {
					const pipe = this.pipes[pipeName];
					if (typeof pipe !== 'function') {
						throw new TypeError(`Pipe property "${pipeName}" is not a function`);
					}
					return pipe(prop);
				}
				return prop;
			});
			if (!Log.separator || !stringMessage.includes(Log.separator)) {
				return stringMessage;
			}
			if (Log.lineLength === 0) {
				return stringMessage.split(Log.separator).join('\n');
			}
			return (0, utils_1.resolveSeparators)(stringMessage, Log.separator, Log.lineLength);
		});
	}
	/**
	 * Get Message object.
	 */
	toMessage() {
		return {
			date: this.date,
			level: this.level,
			name: this.name || undefined,
			args: this.args,
			callsite: this.callsite,
		};
	}
}
exports.Log = Log;
Log.lineLength = 0;
Log.separator = '<-|->';