Current File : //lib/node_modules/ncm-ng/util/logger.js
'use strict'
var path = require('path')
var bole = require('bole')
exports.getLogger = getLogger
exports.setLogLevel = setLogLevel
exports.getLogLevel = getLogLevel
// Handling of errors on stdout.
//
// It seems that sometimes at shutdown, if the node process is redirecting
// to a file, the pipe to that file is shutdown before node is finished,
// and then any subsequent writes to stdout/stderr will end up getting an
// error.
//
// So, at shutdown time only, should call `ignoreStreamError(true)` so that
// shutdown can continue, with the loss of logging, but at least the shutdown
// logic can proceed
// If passed with no arguments, return current setting.
// Otherwise set / unset the error handler.
const isBrowser = typeof window === 'object' && typeof document === 'object'
let SavedLevel = 'info'
// Handling of errors on stdout.
//
// It seems that sometimes at shutdown, if the node process is redirecting
// to a file, the pipe to that file is shutdown before node is finished,
// and then any subsequent writes to stdout/stderr will end up getting an
// error.
//
// So, at shutdown time only, should call `ignoreStreamError(true)` so that
// shutdown can continue, with the loss of logging, but at least the shutdown
// logic can proceed
// Return a new logger for a module, named with basenames of names passed in
// combined as a path; eg, (__dirname, __filename) -> 'lib/util.js'.
function getLogger (names) {
let name = Array.prototype.slice.call(arguments)
.map(name => path.basename(name))
.join(path.sep)
name = `nsolid-console:${name}`
const logger = isBrowser ? console : bole(name)
logger.mute = () => {}
logger.setLogLevel = setLogLevel
logger.getLogLevel = getLogLevel
logger.ignoreStreamError = () => {}
return logger
}
// Set the logging level
function setLogLevel (level) {
if (!level.match(/^(debug)|(info)|(warn)|(error)$/)) {
level = 'info'
}
SavedLevel = level
}
function getLogLevel () {
return SavedLevel
}
// Handling of errors on stdout.
//
// It seems that sometimes at shutdown, if the node process is redirecting
// to a file, the pipe to that file is shutdown before node is finished,
// and then any subsequent writes to stdout/stderr will end up getting an
// error.
//
// So, at shutdown time only, should call `ignoreStreamError(true)` so that
// shutdown can continue, with the loss of logging, but at least the shutdown
// logic can proceed
// If passed with no arguments, return current setting.
// Otherwise set / unset the error handler.
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