ngx-logger
Version:
[](https://www.npmjs.com/package/ngx-logger)
114 lines • 18.8 kB
JavaScript
import { Inject, Injectable, PLATFORM_ID } from '@angular/core';
import { isPlatformBrowser } from '@angular/common';
import { NgxLoggerLevel } from '../types/logger-level.enum';
import { DEFAULT_COLOR_SCHEME } from './color-scheme';
import * as i0 from "@angular/core";
export class NGXLoggerWriterService {
constructor(platformId) {
this.platformId = platformId;
/** List of functions called when preparing meta string */
this.prepareMetaStringFuncs = [
this.getTimestampToWrite,
this.getLevelToWrite,
this.getFileDetailsToWrite,
this.getContextToWrite,
];
this.isIE = isPlatformBrowser(platformId) && navigator && navigator.userAgent &&
!!(navigator.userAgent.indexOf('MSIE') !== -1 || navigator.userAgent.match(/Trident\//) || navigator.userAgent.match(/Edge\//));
this.logFunc = this.isIE ? this.logIE.bind(this) : this.logModern.bind(this);
}
getTimestampToWrite(metadata, config) {
return metadata.timestamp;
}
getLevelToWrite(metadata, config) {
return NgxLoggerLevel[metadata.level];
}
getFileDetailsToWrite(metadata, config) {
return config.disableFileDetails === true ? '' : `[${metadata.fileName}:${metadata.lineNumber}:${metadata.columnNumber}]`;
}
getContextToWrite(metadata, config) {
return config.context ? `{${config.context}}` : '';
}
/** Generate a "meta" string that is displayed before the content sent to the log function */
prepareMetaString(metadata, config) {
let metaString = '';
this.prepareMetaStringFuncs.forEach(prepareMetaStringFunc => {
const metaItem = prepareMetaStringFunc(metadata, config);
if (metaItem) {
metaString = metaString + ' ' + metaItem;
}
});
return metaString.trim();
}
/** Get the color to use when writing to console */
getColor(metadata, config) {
const configColorScheme = config.colorScheme ?? DEFAULT_COLOR_SCHEME;
// this is needed to avoid a build error
if (metadata.level === NgxLoggerLevel.OFF) {
return undefined;
}
return configColorScheme[metadata.level];
}
/** Log to the console specifically for IE */
logIE(metadata, config, metaString) {
// Coloring doesn't work in IE
// make sure additional isn't null or undefined so that ...additional doesn't error
const additional = metadata.additional || [];
switch (metadata.level) {
case NgxLoggerLevel.WARN:
console.warn(`${metaString} `, metadata.message, ...additional);
break;
case NgxLoggerLevel.ERROR:
case NgxLoggerLevel.FATAL:
console.error(`${metaString} `, metadata.message, ...additional);
break;
case NgxLoggerLevel.INFO:
console.info(`${metaString} `, metadata.message, ...additional);
break;
default:
console.log(`${metaString} `, metadata.message, ...additional);
}
}
/** Log to the console */
logModern(metadata, config, metaString) {
const color = this.getColor(metadata, config);
// make sure additional isn't null or undefined so that ...additional doesn't error
const additional = metadata.additional || [];
switch (metadata.level) {
case NgxLoggerLevel.WARN:
console.warn(`%c${metaString}`, `color:${color}`, metadata.message, ...additional);
break;
case NgxLoggerLevel.ERROR:
case NgxLoggerLevel.FATAL:
console.error(`%c${metaString}`, `color:${color}`, metadata.message, ...additional);
break;
case NgxLoggerLevel.INFO:
console.info(`%c${metaString}`, `color:${color}`, metadata.message, ...additional);
break;
// Disabling console.trace since the stack trace is not helpful. it is showing the stack trace of
// the console.trace statement
// case NgxLoggerLevel.TRACE:
// console.trace(`%c${metaString}`, `color:${color}`, message, ...additional);
// break;
case NgxLoggerLevel.DEBUG:
console.debug(`%c${metaString}`, `color:${color}`, metadata.message, ...additional);
break;
default:
console.log(`%c${metaString}`, `color:${color}`, metadata.message, ...additional);
}
}
/** Write the content sent to the log function to the console */
writeMessage(metadata, config) {
const metaString = this.prepareMetaString(metadata, config);
this.logFunc(metadata, config, metaString);
}
}
/** @nocollapse */ /** @nocollapse */ NGXLoggerWriterService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.2", ngImport: i0, type: NGXLoggerWriterService, deps: [{ token: PLATFORM_ID }], target: i0.ɵɵFactoryTarget.Injectable });
/** @nocollapse */ /** @nocollapse */ NGXLoggerWriterService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "13.0.2", ngImport: i0, type: NGXLoggerWriterService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.2", ngImport: i0, type: NGXLoggerWriterService, decorators: [{
type: Injectable
}], ctorParameters: function () { return [{ type: undefined, decorators: [{
type: Inject,
args: [PLATFORM_ID]
}] }]; } });
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{ Inject, Injectable, PLATFORM_ID } from '@angular/core';\r\nimport { INGXLoggerMetadata } from '../metadata/imetadata';\r\nimport { INGXLoggerConfig } from '../config/iconfig';\r\nimport { INGXLoggerWriterService } from './iwriter.service';\r\nimport { isPlatformBrowser } from '@angular/common';\r\nimport { NgxLoggerLevel } from '../types/logger-level.enum';\r\nimport { DEFAULT_COLOR_SCHEME } from './color-scheme';\r\n\r\n@Injectable()\r\nexport class NGXLoggerWriterService implements INGXLoggerWriterService {\r\n\r\n  protected readonly isIE: boolean;\r\n  protected readonly logFunc: (metadata: INGXLoggerMetadata, config: INGXLoggerConfig, metaString: string) => void;\r\n\r\n  /** List of functions called when preparing meta string */\r\n  protected prepareMetaStringFuncs: ((metadata: INGXLoggerMetadata, config: INGXLoggerConfig) => string)[] = [\r\n    this.getTimestampToWrite,\r\n    this.getLevelToWrite,\r\n    this.getFileDetailsToWrite,\r\n    this.getContextToWrite,\r\n  ];\r\n\r\n  constructor(\r\n    @Inject(PLATFORM_ID) protected platformId,\r\n  ) {\r\n    this.isIE = isPlatformBrowser(platformId) && navigator && navigator.userAgent &&\r\n      !!(navigator.userAgent.indexOf('MSIE') !== -1 || navigator.userAgent.match(/Trident\\//) || navigator.userAgent.match(/Edge\\//));\r\n\r\n    this.logFunc = this.isIE ? this.logIE.bind(this) : this.logModern.bind(this);\r\n  }\r\n\r\n  protected getTimestampToWrite(metadata: INGXLoggerMetadata, config: INGXLoggerConfig): string {\r\n    return metadata.timestamp;\r\n  }\r\n\r\n  protected getLevelToWrite(metadata: INGXLoggerMetadata, config: INGXLoggerConfig): string {\r\n    return NgxLoggerLevel[metadata.level];\r\n  }\r\n\r\n  protected getFileDetailsToWrite(metadata: INGXLoggerMetadata, config: INGXLoggerConfig): string {\r\n    return config.disableFileDetails === true ? '' : `[${metadata.fileName}:${metadata.lineNumber}:${metadata.columnNumber}]`;\r\n  }\r\n\r\n  protected getContextToWrite(metadata: INGXLoggerMetadata, config: INGXLoggerConfig): string {\r\n    return config.context ? `{${config.context}}` : '';\r\n  }\r\n\r\n  /** Generate a \"meta\" string that is displayed before the content sent to the log function */\r\n  protected prepareMetaString(metadata: INGXLoggerMetadata, config: INGXLoggerConfig): string {\r\n    let metaString = '';\r\n    this.prepareMetaStringFuncs.forEach(prepareMetaStringFunc => {\r\n      const metaItem = prepareMetaStringFunc(metadata, config);\r\n      if (metaItem) {\r\n        metaString = metaString + ' ' + metaItem;\r\n      }\r\n    })\r\n    return metaString.trim();\r\n  }\r\n\r\n  /** Get the color to use when writing to console */\r\n  protected getColor(metadata: INGXLoggerMetadata, config: INGXLoggerConfig): string | undefined {\r\n    const configColorScheme = config.colorScheme ?? DEFAULT_COLOR_SCHEME;\r\n\r\n    // this is needed to avoid a build error\r\n    if (metadata.level === NgxLoggerLevel.OFF) {\r\n      return undefined;\r\n    }\r\n    return configColorScheme[metadata.level];\r\n  }\r\n\r\n  /** Log to the console specifically for IE */\r\n  protected logIE(metadata: INGXLoggerMetadata, config: INGXLoggerConfig, metaString: string): void {\r\n\r\n    // Coloring doesn't work in IE\r\n\r\n    // make sure additional isn't null or undefined so that ...additional doesn't error\r\n    const additional = metadata.additional || [];\r\n\r\n    switch (metadata.level) {\r\n      case NgxLoggerLevel.WARN:\r\n        console.warn(`${metaString} `, metadata.message, ...additional);\r\n        break;\r\n      case NgxLoggerLevel.ERROR:\r\n      case NgxLoggerLevel.FATAL:\r\n        console.error(`${metaString} `, metadata.message, ...additional);\r\n        break;\r\n      case NgxLoggerLevel.INFO:\r\n        console.info(`${metaString} `, metadata.message, ...additional);\r\n        break;\r\n      default:\r\n        console.log(`${metaString} `, metadata.message, ...additional);\r\n    }\r\n  }\r\n\r\n  /** Log to the console */\r\n  protected logModern(metadata: INGXLoggerMetadata, config: INGXLoggerConfig, metaString: string): void {\r\n    const color = this.getColor(metadata, config);\r\n\r\n    // make sure additional isn't null or undefined so that ...additional doesn't error\r\n    const additional = metadata.additional || [];\r\n\r\n    switch (metadata.level) {\r\n      case NgxLoggerLevel.WARN:\r\n        console.warn(`%c${metaString}`, `color:${color}`, metadata.message, ...additional);\r\n        break;\r\n      case NgxLoggerLevel.ERROR:\r\n      case NgxLoggerLevel.FATAL:\r\n        console.error(`%c${metaString}`, `color:${color}`, metadata.message, ...additional);\r\n        break;\r\n      case NgxLoggerLevel.INFO:\r\n        console.info(`%c${metaString}`, `color:${color}`, metadata.message, ...additional);\r\n        break;\r\n      //  Disabling console.trace since the stack trace is not helpful. it is showing the stack trace of\r\n      // the console.trace statement\r\n      // case NgxLoggerLevel.TRACE:\r\n      //   console.trace(`%c${metaString}`, `color:${color}`, message, ...additional);\r\n      //   break;\r\n\r\n      case NgxLoggerLevel.DEBUG:\r\n        console.debug(`%c${metaString}`, `color:${color}`, metadata.message, ...additional);\r\n        break;\r\n      default:\r\n        console.log(`%c${metaString}`, `color:${color}`, metadata.message, ...additional);\r\n    }\r\n  }\r\n\r\n  /** Write the content sent to the log function to the console */\r\n  public writeMessage(metadata: INGXLoggerMetadata, config: INGXLoggerConfig): void {\r\n    const metaString = this.prepareMetaString(metadata, config);\r\n\r\n    this.logFunc(metadata, config, metaString);\r\n  }\r\n}\r\n"]}