Merge pull request #14292 from overleaf/jpa-em-mj-warnings

[logger] forward warnings to logger for all the services

GitOrigin-RevId: f9d0b8c7197e3e14e8abf6bba10136ee785410ed

libraries/logger/logging-manager.js

@@ -149,4 +149,13 @@ const LoggingManager = {
 
 LoggingManager.initialize('default-sharelatex')
 
+function handleWarning(err) {
+  LoggingManager.warn({ err }, 'Warning details')
+}
+
+process.on('warning', handleWarning)
+LoggingManager.removeWarningHandler = () => {
+  process.off('warning', handleWarning)
+}
+
 module.exports = LoggingManager

libraries/logger/test/unit/logging-manager-tests.js

@@ -59,6 +59,10 @@ describe('LoggingManager', function () {
     this.logger.initializeErrorReporting('test_dsn')
   })
 
+  afterEach(function () {
+    this.LoggingManager.removeWarningHandler()
+  })
+
   describe('initialize', function () {
     beforeEach(function () {
       this.Bunyan.createLogger.reset()