🐛 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/readdirp/stream-api.js

@@ -0,0 +1,98 @@
+'use strict';
+
+var stream = require('readable-stream');
+var util = require('util');
+
+var Readable = stream.Readable;
+
+module.exports = ReaddirpReadable;
+
+util.inherits(ReaddirpReadable, Readable);
+
+function ReaddirpReadable (opts) {
+  if (!(this instanceof ReaddirpReadable)) return new ReaddirpReadable(opts);
+
+  opts = opts || {};
+
+  opts.objectMode = true;
+  Readable.call(this, opts);
+
+  // backpressure not implemented at this point
+  this.highWaterMark = Infinity;
+
+  this._destroyed = false;
+  this._paused = false;
+  this._warnings = [];
+  this._errors = [];
+
+  this._pauseResumeErrors();
+}
+
+var proto = ReaddirpReadable.prototype;
+
+proto._pauseResumeErrors = function () {
+  var self = this;
+  self.on('pause', function () { self._paused = true });
+  self.on('resume', function () {
+    if (self._destroyed) return;
+    self._paused = false;
+
+    self._warnings.forEach(function (err) { self.emit('warn', err) });
+    self._warnings.length = 0;
+
+    self._errors.forEach(function (err) { self.emit('error', err) });
+    self._errors.length = 0;
+  })
+}
+
+// called for each entry
+proto._processEntry = function (entry) {
+  if (this._destroyed) return;
+  this.push(entry);
+}
+
+proto._read = function () { }
+
+proto.destroy = function () {
+  // when stream is destroyed it will emit nothing further, not even errors or warnings
+  this.push(null);
+  this.readable = false;
+  this._destroyed = true;
+  this.emit('close');
+}
+
+proto._done = function () {
+  this.push(null);
+}
+
+// we emit errors and warnings async since we may handle errors like invalid args
+// within the initial event loop before any event listeners subscribed
+proto._handleError = function (err) {
+  var self = this;
+  setImmediate(function () {
+    if (self._paused) return self._warnings.push(err);
+    if (!self._destroyed) self.emit('warn', err);
+  });
+}
+
+proto._handleFatalError = function (err) {
+  var self = this;
+  setImmediate(function () {
+    if (self._paused) return self._errors.push(err);
+    if (!self._destroyed) self.emit('error', err);
+  });
+}
+
+function createStreamAPI () {
+  var stream = new ReaddirpReadable();
+
+  return {
+      stream           :  stream
+    , processEntry     :  stream._processEntry.bind(stream)
+    , done             :  stream._done.bind(stream)
+    , handleError      :  stream._handleError.bind(stream)
+    , handleFatalError :  stream._handleFatalError.bind(stream)
+  };
+}
+
+module.exports = createStreamAPI;