JSON formatter plugin

README.md

@@ -52,6 +52,7 @@ configs:
     plugins: []
     aliases: {}
     logFilename: 'multimeter.log'
+    json: false
 ```
 
 ### Connecting to the official server
@@ -176,6 +177,19 @@ configs:
     errorLogFilename: "screepsErrors.log"
 ```
 
+### Plugin: json
+
+When the log line is a JSON it will format it like readable JSON.
+
+Default setting for this plugin:
+```
+configs:
+  multimeter:
+    json: false
+```
+
+To enable change to `true`
+
 ## Contributing
 
 If you have feedback, bugs, or feature requests for multimeter, don't hesitate to look through [the issues](https://github.com/CGamesPlay/screeps-multimeter/issues) and add your thoughts. Please search to see if someone else has already filed a related issue before you submit a new one.

plugins/json.js

@@ -0,0 +1,15 @@
+const parse5 = require('parse5');
+
+module.exports = function(multimeter) {
+  multimeter.console.on("addLines", function(event) {
+    let jsonFormattingEnabled = multimeter.config.json;
+    if (jsonFormattingEnabled && (event.type === "log" || event.type === "result")) {
+      try {
+        let obj = JSON.parse(event.line);
+        event.line = JSON.stringify(obj, null, 1)
+      } catch (e) {
+        // not a json line
+      }
+    }
+  });
+};

src/multimeter.js

@@ -18,7 +18,8 @@ const BUILTIN_PLUGINS = [
   "../plugins/html.js",
   "../plugins/pause",
   "../plugins/filter",
-  "../plugins/log"
+  "../plugins/log",
+  "../plugins/json"
 ];
 
 class Gauges extends blessed.layout {