add Tree class

ts/index.ts

@@ -6,3 +6,4 @@ export * from './lik.looptracker'
 export * from './lik.objectmap'
 export * from './lik.stringmap'
 export * from './lik.limitedarray'
+export * from './lik.tree'

ts/lik.plugins.ts

@@ -1,12 +1,14 @@
 import 'typings-global'
-import * as smartq from 'smartq'
 import * as events from 'events'
 import * as lodash from 'lodash'
 import * as minimatch from 'minimatch'
+import * as smartq from 'smartq'
+const symbolTree = require('symbol-tree')
 
 export {
-  smartq,
   events,
   lodash,
-  minimatch
+  minimatch,
+  smartq,
+  symbolTree
 }

ts/lik.tree.ts

@@ -0,0 +1,116 @@
+import * as plugins from './lik.plugins'
+
+export class Tree<T> {
+  symbolTree: any
+  constructor () {
+    this.symbolTree = new plugins.symbolTree()
+  }
+
+  /**
+   * 
+   * @param objectArg 
+   */
+  initialize (objectArg: T): T {
+    return this.symbolTree.initialize(objectArg)
+  }
+
+  hasChildren (objectArg: T): boolean {
+    return this.symbolTree.hasChildren(objectArg)
+  }
+
+  firstChild (objectArg: T): T {
+    return this.symbolTree.firstChild(objectArg)
+  }
+
+  lastChild (objectArg: T): T {
+    return this.symbolTree.lastChild(objectArg)
+  }
+
+  previousSibling (objectArg: T): T {
+    return this.symbolTree.previousSibling(objectArg)
+  }
+
+  nextSibling (objectArg: T): T {
+    return this.symbolTree.nextSibling(objectArg)
+  }
+
+  parent (objectArg: T): T {
+    return this.symbolTree.parent(objectArg)
+  }
+
+  lastInclusiveDescendant(objectArg: T): T {
+    return this.symbolTree.lastInclusiveDescendant(objectArg)
+  }
+
+  preceding(objectArg: T, optionsArg?: any): T {
+    return this.symbolTree.preceding(objectArg, optionsArg)
+  }
+
+  following (object: T, optionsArg: any) {
+    return this.symbolTree.following(object, optionsArg)
+  }
+
+  childrenToArray (parentArg: T, optionsArg: any): T[] {
+    return this.symbolTree.childrenToArray(parent, optionsArg)
+  }
+
+  ancestorsToArray (objectArg: T, optionsArg: any): T[] {
+    return this.symbolTree.ancestorsToArray(objectArg, optionsArg)
+  }
+
+  treeToArray (rootArg, optionsArg: any): T[] {
+    return this.symbolTree.treeToArray(rootArg, optionsArg)
+  }
+
+  childrenIterator (parentArg: T, optionsArg): T {
+    return this.symbolTree.childrenIterator(parentArg, optionsArg)
+  }
+  
+  previousSiblingsIterator (objectArg): T {
+    return this.symbolTree.previousSiblingsIterator(objectArg)
+  }
+
+  nextSiblingsIterator (objectArg: T) {
+    return this.symbolTree.nextSiblingsIterator()
+  }
+
+  ancestorsIterator (objectArg) {
+    this.symbolTree.ancestorsIterator()
+  }
+
+  treeIterator (rootArg: T, optionsArg): T {
+    return this.symbolTree.treeIterator(rootArg)
+  }
+
+  index (childArg: T): number {
+    return this.symbolTree.index(childArg)
+  }
+
+  childrenCount (parentArg: T): number {
+    return this.symbolTree.childrenCount(parentArg)
+  }
+
+  compareTreePosition (leftArg: T, rightArg: T): number {
+    return this.compareTreePosition(leftArg, rightArg)
+  }
+
+  remove (removeObjectArg: T): T  {
+    return this.symbolTree.remove(removeObjectArg)
+  }
+
+  insertBefore (referenceObjectArg: T, newObjectArg: T): T {
+    return this.symbolTree.insertBefore(referenceObjectArg, newObjectArg)
+  }
+
+  insertAfter (referenceObject: T, newObjectArg: T) {
+    return this.symbolTree.insertAfter(referenceObject, newObjectArg)
+  }
+
+  prependChild (referenceObjectArg: T, newObjectArg: T): T {
+    return this.symbolTree.prependChild(referenceObjectArg, newObjectArg)
+  }
+
+  appendChild (referenceObjectArg, newObjectArg) {
+    return this.symbolTree.appendChild(referenceObjectArg, newObjectArg)
+  }
+}