feat: support full logs

lib/winston-loggly.js

@@ -98,11 +98,19 @@ Loggly.prototype.name = 'loggly';
 const validateMetadata = (meta) => {
   if (meta == null) {
     return {};
-  } else if (typeof meta !== 'object') {
+  }
+
+  if (typeof meta !== 'object') {
     return { metadata: meta };
-  } else {
-    return clone(meta);
   }
+
+  const symbols = Object.getOwnPropertySymbols(meta);
+  const key = symbols.find(symbol => String(symbol) === 'Symbol(message)');
+  if (key !== undefined) {
+    return clone(meta[key]);
+  }
+
+  return clone(meta);
 };
 
 //
@@ -115,14 +123,14 @@ const validateMetadata = (meta) => {
 //
 Loggly.prototype.log = function (level, msg, meta, callback) {
 
-  const message = validateMetadata(meta);
+  const data = validateMetadata(meta);
 
   if (this.silent) {
     return callback(null, true);
   }
 
-  if (this.timestamp && !message.timestamp) {
-    message.timestamp = (new Date()).toISOString();
+  if (this.timestamp && !data.timestamp) {
+    data.timestamp = (new Date()).toISOString();
   }
 
   if (this.stripColors) {
@@ -131,8 +139,8 @@ Loggly.prototype.log = function (level, msg, meta, callback) {
 
   const self = this;
 
-  message.level = level;
-  message.message = msg || message.message;
+  data.level = level;
+  data.message = msg || data.message;
 
   //
   // Helper function for responded to logging.
@@ -143,8 +151,8 @@ Loggly.prototype.log = function (level, msg, meta, callback) {
   }
 
   return (meta && meta.tags)
-    ? this.client.log(message, meta.tags, logged)
-    : this.client.log(message, logged);
+    ? this.client.log(data, meta.tags, logged)
+    : this.client.log(data, logged);
 };
 
 //