feat: add timestamp to log messages

GitHug · Sep 13, 2020 · 1d0c62c · 1d0c62c
1 parent 2a25e58
commit 1d0c62c
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Showing 2 changed files with 10 additions and 5 deletions.
diff --git a/src/__tests__/logger.spec.ts b/src/__tests__/logger.spec.ts
@@ -3,6 +3,7 @@ import * as logger from '../logger';
 describe('logger', () => {
   beforeEach(() => {
     process.env.SILENT = '';
+    jest.spyOn(Date, 'now').mockImplementation(() => 1600010987727);
   });
 
   afterEach(() => {
@@ -13,28 +14,28 @@ describe('logger', () => {
     const spy = jest.spyOn(global.console, 'log').mockImplementation();
 
     logger.info('Some message');
-    expect(spy).toHaveBeenCalledWith('⚡️[server INFO]: Some message');
+    expect(spy).toHaveBeenCalledWith('⚡️[INFO 2020-09-13 15:29:47]: Some message');
   });
 
   it('should print a warn message', () => {
     const spy = jest.spyOn(global.console, 'warn').mockImplementation();
 
     logger.warn('Some message');
-    expect(spy).toHaveBeenCalledWith('⚡️[server WARN]: Some message');
+    expect(spy).toHaveBeenCalledWith('⚡️[WARN 2020-09-13 15:29:47]: Some message');
   });
 
   it('should print an error message', () => {
     const spy = jest.spyOn(global.console, 'error').mockImplementation();
 
     logger.error('Some message');
-    expect(spy).toHaveBeenCalledWith('⚡️[server ERROR]: Some message');
+    expect(spy).toHaveBeenCalledWith('⚡️[ERROR 2020-09-13 15:29:47]: Some message');
   });
 
   it('should print a trace message', () => {
     const spy = jest.spyOn(global.console, 'trace').mockImplementation();
 
     logger.trace('Some message');
-    expect(spy).toHaveBeenCalledWith('⚡️[server ERROR]: Some message');
+    expect(spy).toHaveBeenCalledWith('⚡️[ERROR 2020-09-13 15:29:47]: Some message');
   });
 
   it.each([

diff --git a/src/logger.ts b/src/logger.ts
@@ -15,9 +15,13 @@ abstract class Logger {
   log(...data: unknown[]): void {
     if (process.env.SILENT) return;
 
-    const message = `⚡️[server ${Level[this.level]}]: ${data}`;
+    const message = `⚡️[${Level[this.level]} ${this.timestamp()}]: ${data}`;
     this.logMethod(message);
   }
+
+  private timestamp(): string {
+    return new Date(Date.now()).toISOString().replace(/T/, ' ').replace(/\..+/, '');
+  }
 }
 
 class InfoLogger extends Logger {