feat: add warn alias for warning on the Logger

node/logger.js

@@ -47,6 +47,13 @@ class Logger {
      * @type {boolean}
      */
     this.showTime = showTime;
+    /**
+     * An alias for the {@link Logger#warning} method.
+     *
+     * @type {Function}
+     * @see {@link Logger#warning}
+     */
+    this.warn = this.warning.bind(this);
   }
   /**
    * Logs an error (red) message or messages on the console.
@@ -172,7 +179,6 @@ class Logger {
    *
    * @param {LoggerMessage} message A single message of a list of them.
    * @see {@link Logger#log}
-   * @todo Add `warn` alias.
    */
   warning(message) {
     this.log(message, 'yellow');

tests/node/logger.test.js

@@ -181,6 +181,23 @@ describe('Logger', () => {
     expect(colors[color]).toHaveBeenCalledWith(message);
   });
 
+  it('should log a warning message (yellow) using the `warn` alias', () => {
+    // Given
+    const message = 'Something is not working';
+    const color = 'yellow';
+    const log = jest.fn();
+    spyOn(console, 'log').and.callFake(log);
+    let sut = null;
+    // When
+    sut = new Logger();
+    sut.warn(message);
+    // Then
+    expect(log).toHaveBeenCalledTimes(1);
+    expect(log).toHaveBeenCalledWith(message);
+    expect(colors[color]).toHaveBeenCalledTimes(1);
+    expect(colors[color]).toHaveBeenCalledWith(message);
+  });
+
   it('should log a success message (green)', () => {
     // Given
     const message = 'Everything works!';