🐛 Update: Added support for the 'find' command in settings.local.json. Enhanced logging for various modules, including initialization and performance metrics. Improved SQLite database optimization and ensured better tracking of user interactions and system processes. 📚

network-visualization/node_modules/map-stream/readme.markdown

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+# MapStream
+
+Refactored out of [event-stream](https://github.com/dominictarr/event-stream)
+
+##map (asyncFunction[, options])
+
+Create a through stream from an asyncronous function.  
+
+``` js
+var map = require('map-stream')
+
+map(function (data, callback) {
+  //transform data
+  // ...
+  callback(null, data)
+})
+
+```
+
+Each map MUST call the callback. It may callback with data, with an error or with no arguments, 
+
+  * `callback()` drop this data.  
+    this makes the map work like `filter`,  
+    note:`callback(null,null)` is not the same, and will emit `null`
+
+  * `callback(null, newData)` turn data into newData
+    
+  * `callback(error)` emit an error for this item.
+
+>Note: if a callback is not called, `map` will think that it is still being processed,   
+>every call must be answered or the stream will not know when to end.  
+>
+>Also, if the callback is called more than once, every call but the first will be ignored.
+
+##Options 
+
+ * `failures` - `boolean` continue mapping even if error occured. On error `map-stream` will emit `failure` event. (default: `false`)