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HasLogger.createLogger   A
last analyzed

↳ Parent: HasLogger

Complexity

Conditions 2

Size

Total Lines 15
Code Lines 12

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 2
eloc 12
dl 0
loc 15
rs 9.8
c 0
b 0
f 0
1 
/* eslint-disable sort-keys */
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import dayjs from 'dayjs';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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import merge from 'deepmerge';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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import winston, { Logger } from 'winston';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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export type LogTarget = 'console' | 'file';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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export class HasLogger {

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public logger!: Logger;

            


            
                                                                        
                            
            
                                    
            
            

                
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    public createLogger(targets: LogTarget[], defaultMeta: Record<string, any>) {

            


            
                                                                        
                            
            
                                    
            
            

                
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        this.logger = winston.createLogger({

            


            
                                                                        
                            
            
                                    
            
            

                
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            level: 'info',

            


            
                                                                        
                            
            
                                    
            
            

                
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            format: winston.format.json(),

            


            
                                                                        
                            
            
                                    
            
            

                
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            defaultMeta,

            


            
                                                                        
                            
            
                                    
            
            

                
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            transports: [],

            


            
                                                                        
                            
            
                                    
            
            

                
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        });

            


            
                                                                        
                            
            
                                    
            
            

                
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        if (targets.includes('file')) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            new winston.transports.File({ filename: `${__dirname}/codeboost.log` });

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        //if (targets.includes('console')) {

            


            
                                                                        
                            
            
                                    
            
            

                
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        this.logger.add(new winston.transports.Console({ format: winston.format.simple() }));

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        //}

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public log(message: string, meta: any[] = []) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (!this.logger || this.logger.transports.length === 0) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            return;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        this.logger.info(message, ...[merge.all([{ _ts: dayjs().toISOString() }, ...meta])]);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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