refactor: remove lang.ts (#14837)

modules/@angular/platform-browser/src/browser/browser_adapter.ts

@@ -8,7 +8,6 @@
 
 import {ɵglobal as global} from '@angular/core';
 import {setRootDomAdapter} from '../dom/dom_adapter';
-import {isBlank, isPresent, setValueOnPath} from '../facade/lang';
 
 import {GenericBrowserDomAdapter} from './generic_browser_adapter';
 
@@ -133,7 +132,7 @@ export class BrowserDomAdapter extends GenericBrowserDomAdapter {
     evt.returnValue = false;
   }
   isPrevented(evt: Event): boolean {
-    return evt.defaultPrevented || isPresent(evt.returnValue) && !evt.returnValue;
+    return evt.defaultPrevented || evt.returnValue != null && !evt.returnValue;
   }
   getInnerHTML(el: HTMLElement): string { return el.innerHTML; }
   getTemplateContent(el: Node): Node {
@@ -297,7 +296,7 @@ export class BrowserDomAdapter extends GenericBrowserDomAdapter {
   isCommentNode(node: Node): boolean { return node.nodeType === Node.COMMENT_NODE; }
   isElementNode(node: Node): boolean { return node.nodeType === Node.ELEMENT_NODE; }
   hasShadowRoot(node: any): boolean {
-    return isPresent(node.shadowRoot) && node instanceof HTMLElement;
+    return node.shadowRoot != null && node instanceof HTMLElement;
   }
   isShadowRoot(node: any): boolean { return node instanceof DocumentFragment; }
   importIntoDoc(node: Node): any { return document.importNode(this.templateAwareRoot(node), true); }
@@ -306,12 +305,12 @@ export class BrowserDomAdapter extends GenericBrowserDomAdapter {
 
   getEventKey(event: any): string {
     let key = event.key;
-    if (isBlank(key)) {
+    if (key == null) {
       key = event.keyIdentifier;
       // keyIdentifier is defined in the old draft of DOM Level 3 Events implemented by Chrome and
       // Safari cf
       // http://www.w3.org/TR/2007/WD-DOM-Level-3-Events-20071221/events.html#Events-KeyboardEvents-Interfaces
-      if (isBlank(key)) {
+      if (key == null) {
         return 'Unidentified';
       }
       if (key.startsWith('U+')) {
@@ -342,7 +341,7 @@ export class BrowserDomAdapter extends GenericBrowserDomAdapter {
   getLocation(): Location { return window.location; }
   getBaseHref(doc: Document): string {
     const href = getBaseElementHref();
-    return isBlank(href) ? null : relativePath(href);
+    return href == null ? null : relativePath(href);
   }
   resetBaseElement(): void { baseElement = null; }
   getUserAgent(): string { return window.navigator.userAgent; }
@@ -410,3 +409,20 @@ export function parseCookieValue(cookieStr: string, name: string): string {
   }
   return null;
 }
+
+export function setValueOnPath(global: any, path: string, value: any) {
+  const parts = path.split('.');
+  let obj: any = global;
+  while (parts.length > 1) {
+    const name = parts.shift();
+    if (obj.hasOwnProperty(name) && obj[name] != null) {
+      obj = obj[name];
+    } else {
+      obj = obj[name] = {};
+    }
+  }
+  if (obj === undefined || obj === null) {
+    obj = {};
+  }
+  obj[parts.shift()] = value;
+}

modules/@angular/platform-browser/src/browser/generic_browser_adapter.ts

@@ -7,7 +7,6 @@
  */
 
 import {DomAdapter} from '../dom/dom_adapter';
-import {isPresent} from '../facade/lang';
 
 
 
@@ -24,13 +23,13 @@ export abstract class GenericBrowserDomAdapter extends DomAdapter {
     super();
     try {
       const element = this.createElement('div', document);
-      if (isPresent(this.getStyle(element, 'animationName'))) {
+      if (this.getStyle(element, 'animationName') != null) {
         this._animationPrefix = '';
       } else {
         const domPrefixes = ['Webkit', 'Moz', 'O', 'ms'];
 
         for (let i = 0; i < domPrefixes.length; i++) {
-          if (isPresent(this.getStyle(element, domPrefixes[i] + 'AnimationName'))) {
+          if (this.getStyle(element, domPrefixes[i] + 'AnimationName') != null) {
             this._animationPrefix = '-' + domPrefixes[i].toLowerCase() + '-';
             break;
           }
@@ -45,7 +44,7 @@ export abstract class GenericBrowserDomAdapter extends DomAdapter {
       };
 
       Object.keys(transEndEventNames).forEach((key: string) => {
-        if (isPresent(this.getStyle(element, key))) {
+        if (this.getStyle(element, key) != null) {
           this._transitionEnd = transEndEventNames[key];
         }
       });
@@ -66,6 +65,6 @@ export abstract class GenericBrowserDomAdapter extends DomAdapter {
   getAnimationPrefix(): string { return this._animationPrefix ? this._animationPrefix : ''; }
   getTransitionEnd(): string { return this._transitionEnd ? this._transitionEnd : ''; }
   supportsAnimation(): boolean {
-    return isPresent(this._animationPrefix) && isPresent(this._transitionEnd);
+    return this._animationPrefix != null && this._transitionEnd != null;
   }
 }

modules/@angular/platform-browser/src/browser/testability.ts

@@ -9,7 +9,6 @@
 import {GetTestability, Testability, TestabilityRegistry, setTestabilityGetter, ɵglobal as global} from '@angular/core';
 
 import {getDOM} from '../dom/dom_adapter';
-import {isPresent} from '../facade/lang';
 
 export class BrowserGetTestability implements GetTestability {
   static init() { setTestabilityGetter(new BrowserGetTestability()); }
@@ -55,7 +54,7 @@ export class BrowserGetTestability implements GetTestability {
       return null;
     }
     const t = registry.getTestability(elem);
-    if (isPresent(t)) {
+    if (t != null) {
       return t;
     } else if (!findInAncestors) {
       return null;

modules/@angular/platform-browser/src/browser/tools/browser.ts

@@ -0,0 +1,10 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+const win = typeof window !== 'undefined' && window || <any>{};
+export {win as window};

modules/@angular/platform-browser/src/browser/tools/common_tools.ts

@@ -7,11 +7,8 @@
  */
 
 import {ApplicationRef, ComponentRef} from '@angular/core';
-
 import {getDOM} from '../../dom/dom_adapter';
-import {isPresent} from '../../facade/lang';
-
-const win = typeof window !== 'undefined' && window || <any>{};
+import {window} from './browser';
 
 export class ChangeDetectionPerfRecord {
   constructor(public msPerTick: number, public numTicks: number) {}
@@ -47,9 +44,9 @@ export class AngularProfiler {
     const record = config && config['record'];
     const profileName = 'Change Detection';
     // Profiler is not available in Android browsers, nor in IE 9 without dev tools opened
-    const isProfilerAvailable = isPresent(win.console.profile);
+    const isProfilerAvailable = window.console.profile != null;
     if (record && isProfilerAvailable) {
-      win.console.profile(profileName);
+      window.console.profile(profileName);
     }
     const start = getDOM().performanceNow();
     let numTicks = 0;
@@ -63,11 +60,11 @@ export class AngularProfiler {
       // while in fact there is:
       //
       // https://developer.mozilla.org/en-US/docs/Web/API/Console/profileEnd
-      (<any>win.console.profileEnd)(profileName);
+      (<any>window.console.profileEnd)(profileName);
     }
     const msPerTick = (end - start) / numTicks;
-    win.console.log(`ran ${numTicks} change detection cycles`);
-    win.console.log(`${msPerTick.toFixed(2)} ms per check`);
+    window.console.log(`ran ${numTicks} change detection cycles`);
+    window.console.log(`${msPerTick.toFixed(2)} ms per check`);
 
     return new ChangeDetectionPerfRecord(msPerTick, numTicks);
   }

modules/@angular/platform-browser/src/dom/debug/by.ts

@@ -8,7 +8,6 @@
 
 import {DebugElement, Predicate, Type} from '@angular/core';
 import {getDOM} from '../../dom/dom_adapter';
-import {isPresent} from '../../facade/lang';
 
 
 
@@ -36,7 +35,7 @@ export class By {
    */
   static css(selector: string): Predicate<DebugElement> {
     return (debugElement) => {
-      return isPresent(debugElement.nativeElement) ?
+      return debugElement.nativeElement != null ?
           getDOM().elementMatches(debugElement.nativeElement, selector) :
           false;
     };

modules/@angular/platform-browser/src/dom/dom_renderer.ts

@@ -7,10 +7,6 @@
  */
 
 import {APP_ID, Inject, Injectable, RenderComponentType, Renderer, RendererFactoryV2, RendererTypeV2, RendererV2, RootRenderer, ViewEncapsulation} from '@angular/core';
-
-import {isPresent, stringify} from '../facade/lang';
-
-import {DOCUMENT} from './dom_tokens';
 import {EventManager} from './events/event_manager';
 import {DomSharedStylesHost} from './shared_styles_host';
 

modules/@angular/platform-browser/src/facade

@@ -1 +0,0 @@
-../../facade/src

modules/@angular/platform-browser/src/private_export.ts

@@ -8,6 +8,7 @@
 
 export {BROWSER_SANITIZATION_PROVIDERS as ɵBROWSER_SANITIZATION_PROVIDERS, INTERNAL_BROWSER_PLATFORM_PROVIDERS as ɵINTERNAL_BROWSER_PLATFORM_PROVIDERS, initDomAdapter as ɵinitDomAdapter} from './browser';
 export {BrowserDomAdapter as ɵBrowserDomAdapter} from './browser/browser_adapter';
+export {setValueOnPath as ɵsetValueOnPath} from './browser/browser_adapter';
 export {BrowserPlatformLocation as ɵBrowserPlatformLocation} from './browser/location/browser_platform_location';
 export {TRANSITION_ID as ɵTRANSITION_ID} from './browser/server-transition';
 export {BrowserGetTestability as ɵBrowserGetTestability} from './browser/testability';