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: / usr / share / nodejs / webpack / hot /
Filename : log.js
back
var logLevel = "info";

function dummy() {}

function shouldLog(level) {
	var shouldLog =
		(logLevel === "info" && level === "info") ||
		(["info", "warning"].indexOf(logLevel) >= 0 && level === "warning") ||
		(["info", "warning", "error"].indexOf(logLevel) >= 0 && level === "error");
	return shouldLog;
}

function logGroup(logFn) {
	return function (level, msg) {
		if (shouldLog(level)) {
			logFn(msg);
		}
	};
}

module.exports = function (level, msg) {
	if (shouldLog(level)) {
		if (level === "info") {
			console.log(msg);
		} else if (level === "warning") {
			console.warn(msg);
		} else if (level === "error") {
			console.error(msg);
		}
	}
};

/* eslint-disable node/no-unsupported-features/node-builtins */
var group = console.group || dummy;
var groupCollapsed = console.groupCollapsed || dummy;
var groupEnd = console.groupEnd || dummy;
/* eslint-enable node/no-unsupported-features/node-builtins */

module.exports.group = logGroup(group);

module.exports.groupCollapsed = logGroup(groupCollapsed);

module.exports.groupEnd = logGroup(groupEnd);

module.exports.setLogLevel = function (level) {
	logLevel = level;
};

module.exports.formatError = function (err) {
	var message = err.message;
	var stack = err.stack;
	if (!stack) {
		return message;
	} else if (stack.indexOf(message) < 0) {
		return message + "\n" + stack;
	} else {
		return stack;
	}
};