github.com/anakojm/hugo-katex@v0.0.0-20231023141351-42d6f5de9c0b/common/loggers/loggerglobal.go (about)

     1  // Copyright 2023 The Hugo Authors. All rights reserved.
     2  // Some functions in this file (see comments) is based on the Go source code,
     3  // copyright The Go Authors and  governed by a BSD-style license.
     4  //
     5  // Licensed under the Apache License, Version 2.0 (the "License");
     6  // you may not use this file except in compliance with the License.
     7  // You may obtain a copy of the License at
     8  // http://www.apache.org/licenses/LICENSE-2.0
     9  //
    10  // Unless required by applicable law or agreed to in writing, software
    11  // distributed under the License is distributed on an "AS IS" BASIS,
    12  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  // See the License for the specific language governing permissions and
    14  // limitations under the License.
    15  
    16  package loggers
    17  
    18  import (
    19  	"sync"
    20  
    21  	"github.com/bep/logg"
    22  )
    23  
    24  func InitGlobalLogger(panicOnWarnings bool) {
    25  	logMu.Lock()
    26  	defer logMu.Unlock()
    27  	var logHookLast func(e *logg.Entry) error
    28  	if panicOnWarnings {
    29  		logHookLast = PanicOnWarningHook
    30  	}
    31  
    32  	log = New(
    33  		Options{
    34  			Distinct:    true,
    35  			HandlerPost: logHookLast,
    36  		},
    37  	)
    38  }
    39  
    40  var logMu sync.Mutex
    41  
    42  func Log() Logger {
    43  	logMu.Lock()
    44  	defer logMu.Unlock()
    45  	return log
    46  }
    47  
    48  // The global logger.
    49  var log Logger
    50  
    51  func init() {
    52  	InitGlobalLogger(false)
    53  }