71 lines
1.6 KiB
JavaScript
71 lines
1.6 KiB
JavaScript
'use strict';
|
|
|
|
const bunyan = require('bunyan');
|
|
|
|
class Logger {
|
|
constructor (path, name) {
|
|
const env = process.env.NODE_ENV;
|
|
const logLevel = process.env.LOG_LEVEL;
|
|
const stream = {
|
|
level: logLevel || ((env === 'test') ? 'fatal' : (env === 'development') ? 'debug' : 'info')
|
|
};
|
|
|
|
if (path) {
|
|
stream.path = path;
|
|
} else {
|
|
stream.stream = process.stdout;
|
|
}
|
|
|
|
this.path = path;
|
|
this.logger = bunyan.createLogger({
|
|
name,
|
|
streams: [stream]
|
|
});
|
|
}
|
|
|
|
fatal (...args) {
|
|
this.logger.fatal(...args);
|
|
}
|
|
|
|
error (...args) {
|
|
this.logger.error(...args);
|
|
}
|
|
|
|
warn (...args) {
|
|
this.logger.warn(...args);
|
|
}
|
|
|
|
info (...args) {
|
|
this.logger.info(...args);
|
|
}
|
|
|
|
debug (...args) {
|
|
this.logger.debug(...args);
|
|
}
|
|
|
|
trace (...args) {
|
|
this.logger.trace(...args);
|
|
}
|
|
|
|
reopenFileStreams () {
|
|
this.logger.reopenFileStreams();
|
|
}
|
|
|
|
// Ensures that the writable stream is flushed.
|
|
// Use this function before exiting the process to not lose log entries
|
|
//
|
|
// See: https://github.com/trentm/node-bunyan/issues/37
|
|
// See: https://github.com/trentm/node-bunyan/issues/73
|
|
end (callback) {
|
|
// process.stdout cannot be closed
|
|
if (!this.path) {
|
|
return callback();
|
|
}
|
|
|
|
this.logger.streams[0].stream.on('finish', callback);
|
|
this.logger.streams[0].stream.end(); // close stream, flush buffer to disk
|
|
}
|
|
}
|
|
|
|
module.exports = Logger;
|