refactor: remove unnecessary lang/collection facades

Author: sis0k0

Diff for: nativescript-angular/collection-facade.ts

@@ -18,6 +18,7 @@ import {
     TemplateRef,
     ViewChild,
     ViewContainerRef,
+    ɵisListLikeIterable as isListLikeIterable,
 } from "@angular/core";
 import { ListView, ItemEventData } from "tns-core-modules/ui/list-view";
 import { View, KeyedTemplate } from "tns-core-modules/ui/core/view";
@@ -26,7 +27,6 @@ import { ObservableArray } from "tns-core-modules/data/observable-array";
 import { profile } from "tns-core-modules/profiling";
 
 import { getSingleViewRecursive } from "../element-registry";
-import { isListLikeIterable } from "../collection-facade";
 import { listViewLog, listViewError } from "../trace";
 
 const NG_VIEW = "_ngViewRef";

Diff for: nativescript-angular/directives/list-view-comp.ts

@@ -11,57 +11,7 @@ export function isBlank(obj: any): boolean {
   return obj === undefined || obj === null;
 }
 
-export function isDate(obj: any): obj is Date {
-  return obj instanceof Date && !isNaN(obj.valueOf());
-}
-
 export function print(obj: Error | Object) {
   console.log(obj);
 }
 
-export function isJsObject(o: any): boolean {
-  return o !== null && (typeof o === 'function' || typeof o === 'object');
-}
-
-export function isArray(obj: any): boolean {
-  return Array.isArray(obj);
-}
-
-// When Symbol.iterator doesn't exist, retrieves the key used in es6-shim
-declare var Symbol: any;
-let _symbolIterator: any = null;
-export function getSymbolIterator(): string|symbol {
-  if (isBlank(_symbolIterator)) {
-    if (isPresent((<any>globalScope).Symbol) && isPresent(Symbol.iterator)) {
-      _symbolIterator = Symbol.iterator;
-    } else {
-      // es6-shim specific logic
-      let keys = Object.getOwnPropertyNames(Map.prototype);
-      for (let i = 0; i < keys.length; ++i) {
-        let key = keys[i];
-        if (key !== 'entries' && key !== 'size' &&
-            (Map as any).prototype[key] === Map.prototype['entries']) {
-          _symbolIterator = key;
-        }
-      }
-    }
-  }
-  return _symbolIterator;
-}
-
-export function setValueOnPath(global: any, path: string, value: any) {
-  let parts = path.split('.');
-  let obj: any = global;
-  while (parts.length > 1) {
-    let name = parts.shift();
-    if (obj.hasOwnProperty(name) && isPresent(obj[name])) {
-      obj = obj[name];
-    } else {
-      obj = obj[name] = {};
-    }
-  }
-  if (obj === undefined || obj === null) {
-    obj = {};
-  }
-  obj[parts.shift()] = value;
-}