fix(pillarbox-monitoring): inconsistent error name value

src/trackers/PillarboxMonitoring.js

@@ -246,7 +246,7 @@ class PillarboxMonitoring {
       log: JSON
         .stringify(error.metadata || pillarbox.log.history().slice(-15)),
       message: error.message,
-      name: error.code,
+      name: PillarboxMonitoring.errorKeyCode(error.code),
       ...playbackPosition,
       url
     });
@@ -815,6 +815,25 @@ class PillarboxMonitoring {
     };
   }
 
+  /**
+   * Returns a string representing the error key combined with its error code.
+   *
+   * If the error code doesn't exist the error key undefined.
+   *
+   * @param {number} code The error code
+   *
+   * @returns {string} The error key combined with its error code
+   */
+  static errorKeyCode(code) {
+    const error = [
+      'MEDIA_ERR_CUSTOM',
+      ...Object.keys(window.MediaError),
+      'MEDIA_ERR_ENCRYPTED'
+    ];
+
+    return `${error[code]}: ${code}`;
+  }
+
   /**
    * Generates a new session ID.
    *

test/trackers/pillarbox-monitoring.spec.js

@@ -7,6 +7,7 @@ describe('PillarboxMonitoring', () => {
   let monitoring;
 
   global.navigator.sendBeacon = jest.fn();
+  global.window.MediaError = jest.fn().mockReturnValue({  });
 
   beforeEach(() => {
     player = playerMock();