feat(ivy): add namespace instructions for SVG and others (#23899)

PR Close #23899

packages/core/src/render3/instructions.ts

@@ -8,24 +8,27 @@
 
 import './ng_dev_mode';
 
+import {Sanitizer} from '../sanitization/security';
+
 import {assertEqual, assertLessThan, assertNotEqual, assertNotNull, assertNull, assertSame} from './assert';
+import {throwCyclicDependencyError, throwErrorIfNoChangesMode, throwMultipleComponentError} from './errors';
+import {executeHooks, executeInitHooks, queueInitHooks, queueLifecycleHooks} from './hooks';
 import {LContainer} from './interfaces/container';
+import {ComponentDef, ComponentTemplate, DirectiveDef, DirectiveDefList, DirectiveDefListOrFactory, PipeDefList, PipeDefListOrFactory, RenderFlags} from './interfaces/definition';
 import {LInjector} from './interfaces/injector';
 import {CssSelectorList, LProjection, NG_PROJECT_AS_ATTR_NAME} from './interfaces/projection';
 import {LQueries} from './interfaces/query';
+import {ObjectOrientedRenderer3, ProceduralRenderer3, RElement, RText, Renderer3, RendererFactory3, RendererStyleFlags3, isProceduralRenderer} from './interfaces/renderer';
 import {CurrentMatchesList, LView, LViewFlags, RootContext, TData, TView} from './interfaces/view';
 
 import {AttributeMarker, TAttributes, LContainerNode, LElementNode, LNode, TNodeType, TNodeFlags, LProjectionNode, LTextNode, LViewNode, TNode, TContainerNode, InitialInputData, InitialInputs, PropertyAliases, PropertyAliasValue, TElementNode,} from './interfaces/node';
 import {assertNodeType} from './node_assert';
 import {appendChild, insertView, appendProjectedNode, removeView, canInsertNativeNode, createTextNode, getNextLNode, getChildLNode, getParentLNode, getLViewChild} from './node_manipulation';
 import {isNodeMatchingSelectorList, matchingSelectorIndex} from './node_selector_matcher';
-import {ComponentDef, ComponentTemplate, DirectiveDef, DirectiveDefList, DirectiveDefListOrFactory, PipeDefList, PipeDefListOrFactory, RenderFlags} from './interfaces/definition';
-import {RElement, RText, Renderer3, RendererFactory3, ProceduralRenderer3, RendererStyleFlags3, isProceduralRenderer} from './interfaces/renderer';
 import {isDifferent, stringify} from './util';
-import {executeHooks, queueLifecycleHooks, queueInitHooks, executeInitHooks} from './hooks';
 import {ViewRef} from './view_ref';
-import {throwCyclicDependencyError, throwErrorIfNoChangesMode, throwMultipleComponentError} from './errors';
-import {Sanitizer} from '../sanitization/security';
+
+
 
 /**
  * Directive (D) sets a property on all component instances using this constant as a key and the
@@ -550,6 +553,28 @@ function getRenderFlags(view: LView): RenderFlags {
                                                 RenderFlags.Update;
 }
 
+//////////////////////////
+//// Namespace
+//////////////////////////
+let _currentNS: string|null = null;
+
+export function setNS(namespace: string) {
+  _currentNS = namespace;
+}
+
+export function setHtmlNS() {
+  _currentNS = null;
+}
+
+export function setSvgNS() {
+  _currentNS = 'http://www.w3.org/2000/svg';
+}
+
+export function setMathML() {
+  _currentNS = 'http://www.w3.org/1998/Math/MathML';
+}
+
+
 //////////////////////////
 //// Element
 //////////////////////////
@@ -573,7 +598,11 @@ export function elementStart(
       assertEqual(currentView.bindingIndex, -1, 'elements should be created before any bindings');
 
   ngDevMode && ngDevMode.rendererCreateElement++;
-  const native: RElement = renderer.createElement(name);
+
+  const native: RElement = _currentNS === null || isProceduralRenderer(renderer) ?
+      renderer.createElement(name) :
+      (renderer as ObjectOrientedRenderer3).createElementNS(_currentNS, name);
+
   ngDevMode && assertDataInRange(index - 1);
 
   const node: LElementNode =

packages/core/src/render3/interfaces/renderer.ts

@@ -36,6 +36,7 @@ export type Renderer3 = ObjectOrientedRenderer3 | ProceduralRenderer3;
  * */
 export interface ObjectOrientedRenderer3 {
   createElement(tagName: string): RElement;
+  createElementNS(namespace: string, name: string): RElement;
   createTextNode(data: string): RText;
 
   querySelector(selectors: string): RElement|null;