als-path-tree/lib/item.js

A Node.js library for managing a virtual file system structure, offering functionalities for file and directory operations with a shared storage system.

const MemoryMonitor = require('./memory-monitor')
const options = require('./options')
const EventEmitter = require('als-event-emitter')
class Item {
   static get options() { return options }
   static memMonitor = new MemoryMonitor()
   static emitter = new EventEmitter(true)
   get main() { return Item }
   constructor(name, parent, isFile = false) {
      this.name = name
      this.parent = parent
      this.isFile = isFile
   }

   get path() { return (this.parent ? this.parent.path + '/' : '') + this.name }
   get root() {
      if (this._root) return this._root
      this._root = this
      while (this._root.parent) { this._root = this._root.parent }
      return this._root
   }

   getParts(path) { return Array.isArray(path) ? path : path.split('/').filter(Boolean) }
   splitPath(path) {
      const parts = this.getParts(path)
      const filename = parts.pop()
      return { parts, filename }
   }

   rename(newName) {
      if (this.name === newName) return;
      if (this.parent) {
         const parentObj = this.isFile ? this.parent.files : this.parent.subdirectories
         delete parentObj[this.name]
         parentObj[newName] = this
      }
      this.name = newName;
   }

}

module.exports = Item