refactor(ivy): remove ɵɵelementAttribute instruction (#30640)

PR Close #30640

packages/compiler/src/render3/r3_identifiers.ts

@@ -37,8 +37,6 @@ export class Identifiers {
   static componentHostSyntheticListener:
       o.ExternalReference = {name: 'ɵɵcomponentHostSyntheticListener', moduleName: CORE};
 
-  static elementAttribute: o.ExternalReference = {name: 'ɵɵelementAttribute', moduleName: CORE};
-
   static attribute: o.ExternalReference = {name: 'ɵɵattribute', moduleName: CORE};
 
   static attributeInterpolate1:

packages/core/src/core_render3_private_export.ts

@@ -126,7 +126,6 @@ export {
   ɵɵenableBindings,
   ɵɵdisableBindings,
   ɵɵallocHostVars,
-  ɵɵelementAttribute,
   ɵɵelementContainerStart,
   ɵɵelementContainerEnd,
   ɵɵstyling,

packages/core/src/render3/i18n.ts

@@ -7,16 +7,18 @@
  */
 
 import '../util/ng_i18n_closure_mode';
+
 import {getPluralCase} from '../i18n/localization';
 import {SRCSET_ATTRS, URI_ATTRS, VALID_ATTRS, VALID_ELEMENTS, getTemplateContent} from '../sanitization/html_sanitizer';
 import {InertBodyHelper} from '../sanitization/inert_body';
 import {_sanitizeUrl, sanitizeSrcset} from '../sanitization/url_sanitizer';
 import {addAllToArray} from '../util/array_utils';
 import {assertDataInRange, assertDefined, assertEqual, assertGreaterThan} from '../util/assert';
+
 import {attachPatchData} from './context_discovery';
-import {elementAttributeInternal, setDelayProjection, ɵɵload, ɵɵtextBinding} from './instructions/all';
+import {setDelayProjection, ɵɵload, ɵɵtextBinding} from './instructions/all';
 import {attachI18nOpCodesDebug} from './instructions/lview_debug';
-import {allocExpando, elementPropertyInternal, getOrCreateTNode, setInputsForProperty} from './instructions/shared';
+import {allocExpando, elementAttributeInternal, elementPropertyInternal, getOrCreateTNode, setInputsForProperty} from './instructions/shared';
 import {LContainer, NATIVE} from './interfaces/container';
 import {COMMENT_MARKER, ELEMENT_MARKER, I18nMutateOpCode, I18nMutateOpCodes, I18nUpdateOpCode, I18nUpdateOpCodes, IcuType, TI18n, TIcu} from './interfaces/i18n';
 import {TElementNode, TIcuContainerNode, TNode, TNodeFlags, TNodeType, TProjectionNode} from './interfaces/node';
@@ -755,10 +757,9 @@ function readCreateOpCodes(
           const elementNodeIndex = opCode >>> I18nMutateOpCode.SHIFT_REF;
           const attrName = createOpCodes[++i] as string;
           const attrValue = createOpCodes[++i] as string;
-          const renderer = viewData[RENDERER];
           // This code is used for ICU expressions only, since we don't support
           // directives/components in ICUs, we don't need to worry about inputs here
-          elementAttributeInternal(elementNodeIndex, attrName, attrValue, viewData, renderer);
+          elementAttributeInternal(elementNodeIndex, attrName, attrValue, viewData);
           break;
         default:
           throw new Error(`Unable to determine the type of mutate operation for "${opCode}"`);
@@ -988,8 +989,7 @@ function i18nAttributesFirstPass(tView: TView, index: number, values: string[])
               generateBindingUpdateOpCodes(value, previousElementIndex, attrName), updateOpCodes);
         } else {
           const lView = getLView();
-          const renderer = lView[RENDERER];
+          elementAttributeInternal(previousElementIndex, attrName, value, lView);
-          elementAttributeInternal(previousElementIndex, attrName, value, lView, renderer);
           // Check if that attribute is a directive input
           const tNode = getTNode(previousElementIndex, lView);
           const dataValue = tNode.inputs && tNode.inputs[attrName];

packages/core/src/render3/index.ts

@@ -47,7 +47,6 @@ export {
   ɵɵdirectiveInject,
 
   ɵɵelement,
-  ɵɵelementAttribute,
   ɵɵelementContainerEnd,
 
   ɵɵelementContainerStart,

packages/core/src/render3/instructions/attribute.ts

@@ -6,10 +6,13 @@
  * found in the LICENSE file at https://angular.io/license
  */
 import {SanitizerFn} from '../interfaces/sanitization';
-import {getSelectedIndex} from '../state';
+import {getLView, getSelectedIndex} from '../state';
+import {NO_CHANGE} from '../tokens';
 
-import {ɵɵelementAttribute} from './element';
 import {ɵɵbind} from './property';
+import {elementAttributeInternal} from './shared';
+
+
 
 /**
  * Updates the value of or removes a bound attribute on an Element.
@@ -27,6 +30,10 @@ import {ɵɵbind} from './property';
 export function ɵɵattribute(
     name: string, value: any, sanitizer?: SanitizerFn | null, namespace?: string) {
   const index = getSelectedIndex();
+  const lView = getLView();
   // TODO(FW-1340): Refactor to remove the use of other instructions here.
-  return ɵɵelementAttribute(index, name, ɵɵbind(value), sanitizer, namespace);
+  const bound = ɵɵbind(value);
+  if (bound !== NO_CHANGE) {
+    return elementAttributeInternal(index, name, bound, lView, sanitizer, namespace);
+  }
 }

packages/core/src/render3/instructions/attribute_interpolation.ts

@@ -6,10 +6,11 @@
  * found in the LICENSE file at https://angular.io/license
  */
 import {SanitizerFn} from '../interfaces/sanitization';
-import {getSelectedIndex} from '../state';
+import {getLView, getSelectedIndex} from '../state';
-import {ɵɵelementAttribute} from './element';
+import {NO_CHANGE} from '../tokens';
+
 import {ɵɵinterpolation1, ɵɵinterpolation2, ɵɵinterpolation3, ɵɵinterpolation4, ɵɵinterpolation5, ɵɵinterpolation6, ɵɵinterpolation7, ɵɵinterpolation8, ɵɵinterpolationV} from './interpolation';
-import {TsickleIssue1009} from './shared';
+import {TsickleIssue1009, elementAttributeInternal} from './shared';
 
 
 
@@ -41,12 +42,13 @@ export function ɵɵattributeInterpolate1(
     attrName: string, prefix: string, v0: any, suffix: string, sanitizer?: SanitizerFn,
     namespace?: string): TsickleIssue1009 {
   const index = getSelectedIndex();
+  const lView = getLView();
 
   // TODO(FW-1340): Refactor to remove the use of other instructions here.
   const interpolatedValue = ɵɵinterpolation1(prefix, v0, suffix);
-
+  if (interpolatedValue !== NO_CHANGE) {
-  ɵɵelementAttribute(index, attrName, interpolatedValue, sanitizer, namespace);
+    elementAttributeInternal(index, attrName, interpolatedValue, lView, sanitizer, namespace);
-
+  }
   return ɵɵattributeInterpolate1;
 }
 
@@ -80,10 +82,13 @@ export function ɵɵattributeInterpolate2(
     attrName: string, prefix: string, v0: any, i0: string, v1: any, suffix: string,
     sanitizer?: SanitizerFn, namespace?: string): TsickleIssue1009 {
   const index = getSelectedIndex();
+  const lView = getLView();
 
   // TODO(FW-1340): Refactor to remove the use of other instructions here.
   const interpolatedValue = ɵɵinterpolation2(prefix, v0, i0, v1, suffix);
-  ɵɵelementAttribute(index, attrName, interpolatedValue, sanitizer, namespace);
+  if (interpolatedValue !== NO_CHANGE) {
+    elementAttributeInternal(index, attrName, interpolatedValue, lView, sanitizer, namespace);
+  }
   return ɵɵattributeInterpolate2;
 }
 
@@ -120,10 +125,13 @@ export function ɵɵattributeInterpolate3(
     attrName: string, prefix: string, v0: any, i0: string, v1: any, i1: string, v2: any,
     suffix: string, sanitizer?: SanitizerFn, namespace?: string): TsickleIssue1009 {
   const index = getSelectedIndex();
+  const lView = getLView();
 
   // TODO(FW-1340): Refactor to remove the use of other instructions here.
   const interpolatedValue = ɵɵinterpolation3(prefix, v0, i0, v1, i1, v2, suffix);
-  ɵɵelementAttribute(index, attrName, interpolatedValue, sanitizer, namespace);
+  if (interpolatedValue !== NO_CHANGE) {
+    elementAttributeInternal(index, attrName, interpolatedValue, lView, sanitizer, namespace);
+  }
   return ɵɵattributeInterpolate3;
 }
 
@@ -162,10 +170,13 @@ export function ɵɵattributeInterpolate4(
     attrName: string, prefix: string, v0: any, i0: string, v1: any, i1: string, v2: any, i2: string,
     v3: any, suffix: string, sanitizer?: SanitizerFn, namespace?: string): TsickleIssue1009 {
   const index = getSelectedIndex();
+  const lView = getLView();
 
   // TODO(FW-1340): Refactor to remove the use of other instructions here.
   const interpolatedValue = ɵɵinterpolation4(prefix, v0, i0, v1, i1, v2, i2, v3, suffix);
-  ɵɵelementAttribute(index, attrName, interpolatedValue, sanitizer, namespace);
+  if (interpolatedValue !== NO_CHANGE) {
+    elementAttributeInternal(index, attrName, interpolatedValue, lView, sanitizer, namespace);
+  }
   return ɵɵattributeInterpolate4;
 }
 
@@ -207,10 +218,13 @@ export function ɵɵattributeInterpolate5(
     v3: any, i3: string, v4: any, suffix: string, sanitizer?: SanitizerFn,
     namespace?: string): TsickleIssue1009 {
   const index = getSelectedIndex();
+  const lView = getLView();
 
   // TODO(FW-1340): Refactor to remove the use of other instructions here.
   const interpolatedValue = ɵɵinterpolation5(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix);
-  ɵɵelementAttribute(index, attrName, interpolatedValue, sanitizer, namespace);
+  if (interpolatedValue !== NO_CHANGE) {
+    elementAttributeInternal(index, attrName, interpolatedValue, lView, sanitizer, namespace);
+  }
   return ɵɵattributeInterpolate5;
 }
 
@@ -254,10 +268,13 @@ export function ɵɵattributeInterpolate6(
     v3: any, i3: string, v4: any, i4: string, v5: any, suffix: string, sanitizer?: SanitizerFn,
     namespace?: string): TsickleIssue1009 {
   const index = getSelectedIndex();
+  const lView = getLView();
   // TODO(FW-1340): Refactor to remove the use of other instructions here.
   const interpolatedValue =
       ɵɵinterpolation6(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix);
-  ɵɵelementAttribute(index, attrName, interpolatedValue, sanitizer, namespace);
+  if (interpolatedValue !== NO_CHANGE) {
+    elementAttributeInternal(index, attrName, interpolatedValue, lView, sanitizer, namespace);
+  }
   return ɵɵattributeInterpolate6;
 }
 
@@ -303,10 +320,13 @@ export function ɵɵattributeInterpolate7(
     v3: any, i3: string, v4: any, i4: string, v5: any, i5: string, v6: any, suffix: string,
     sanitizer?: SanitizerFn, namespace?: string): TsickleIssue1009 {
   const index = getSelectedIndex();
+  const lView = getLView();
   // TODO(FW-1340): Refactor to remove the use of other instructions here.
   const interpolatedValue =
       ɵɵinterpolation7(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix);
-  ɵɵelementAttribute(index, attrName, interpolatedValue, sanitizer, namespace);
+  if (interpolatedValue !== NO_CHANGE) {
+    elementAttributeInternal(index, attrName, interpolatedValue, lView, sanitizer, namespace);
+  }
   return ɵɵattributeInterpolate7;
 }
 
@@ -354,10 +374,13 @@ export function ɵɵattributeInterpolate8(
     v3: any, i3: string, v4: any, i4: string, v5: any, i5: string, v6: any, i6: string, v7: any,
     suffix: string, sanitizer?: SanitizerFn, namespace?: string): TsickleIssue1009 {
   const index = getSelectedIndex();
+  const lView = getLView();
   // TODO(FW-1340): Refactor to remove the use of other instructions here.
   const interpolatedValue =
       ɵɵinterpolation8(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix);
-  ɵɵelementAttribute(index, attrName, interpolatedValue, sanitizer, namespace);
+  if (interpolatedValue !== NO_CHANGE) {
+    elementAttributeInternal(index, attrName, interpolatedValue, lView, sanitizer, namespace);
+  }
   return ɵɵattributeInterpolate8;
 }
 
@@ -391,7 +414,11 @@ export function ɵɵattributeInterpolateV(
     attrName: string, values: any[], sanitizer?: SanitizerFn,
     namespace?: string): TsickleIssue1009 {
   const index = getSelectedIndex();
+  const lView = getLView();
   // TODO(FW-1340): Refactor to remove the use of other instructions here.
-  ɵɵelementAttribute(index, attrName, ɵɵinterpolationV(values), sanitizer, namespace);
+  const interpolated = ɵɵinterpolationV(values);
+  if (interpolated !== NO_CHANGE) {
+    elementAttributeInternal(index, attrName, interpolated, lView, sanitizer, namespace);
+  }
   return ɵɵattributeInterpolateV;
 }

packages/core/src/render3/instructions/element.ts

@@ -5,16 +5,14 @@
  * 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
  */
-import {validateAgainstEventAttributes} from '../../sanitization/sanitization';
 import {assertDataInRange, assertDefined, assertEqual} from '../../util/assert';
 import {assertHasParent} from '../assert';
 import {attachPatchData} from '../context_discovery';
 import {registerPostOrderHooks} from '../hooks';
 import {TAttributes, TNodeFlags, TNodeType} from '../interfaces/node';
-import {RElement, Renderer3, isProceduralRenderer} from '../interfaces/renderer';
+import {RElement} from '../interfaces/renderer';
-import {SanitizerFn} from '../interfaces/sanitization';
 import {StylingContext} from '../interfaces/styling';
-import {BINDING_INDEX, HEADER_OFFSET, LView, QUERIES, RENDERER, TVIEW, T_HOST} from '../interfaces/view';
+import {BINDING_INDEX, HEADER_OFFSET, QUERIES, RENDERER, TVIEW, T_HOST} from '../interfaces/view';
 import {assertNodeType} from '../node_assert';
 import {appendChild} from '../node_manipulation';
 import {applyOnCreateInstructions} from '../node_util';
@@ -23,14 +21,14 @@ import {getInitialClassNameValue, getInitialStyleStringValue, initializeStaticCo
 import {getStylingContextFromLView, hasClassInput, hasStyleInput} from '../styling/util';
 import {registerInitialStylingIntoContext} from '../styling_next/instructions';
 import {runtimeIsNewStylingInUse} from '../styling_next/state';
-import {NO_CHANGE} from '../tokens';
 import {attrsStylingIndexOf, setUpAttributes} from '../util/attrs_utils';
-import {renderStringify} from '../util/misc_utils';
+import {getNativeByTNode, getTNode} from '../util/view_utils';
-import {getNativeByIndex, getNativeByTNode, getTNode} from '../util/view_utils';
+
 import {createDirectivesAndLocals, elementCreate, executeContentQueries, getOrCreateTNode, initializeTNodeInputs, setInputsForProperty, setNodeStylingTemplate} from './shared';
 import {getActiveDirectiveStylingIndex} from './styling';
 
 
+
 /**
  * Create DOM element. The instruction must later be followed by `elementEnd()` call.
  *
@@ -197,54 +195,6 @@ export function ɵɵelement(
   ɵɵelementEnd();
 }
 
-
-/**
- * Updates the value or removes an attribute on an Element.
- *
- * @param index The index of the element in the data array
- * @param name name The name of the attribute.
- * @param value value The attribute is removed when value is `null` or `undefined`.
- *                  Otherwise the attribute value is set to the stringified value.
- * @param sanitizer An optional function used to sanitize the value.
- * @param namespace Optional namespace to use when setting the attribute.
- *
- * @codeGenApi
- */
-export function ɵɵelementAttribute(
-    index: number, name: string, value: any, sanitizer?: SanitizerFn | null,
-    namespace?: string): void {
-  if (value !== NO_CHANGE) {
-    const lView = getLView();
-    const renderer = lView[RENDERER];
-    elementAttributeInternal(index, name, value, lView, renderer, sanitizer, namespace);
-  }
-}
-
-export function elementAttributeInternal(
-    index: number, name: string, value: any, lView: LView, renderer: Renderer3,
-    sanitizer?: SanitizerFn | null, namespace?: string) {
-  ngDevMode && validateAgainstEventAttributes(name);
-  const element = getNativeByIndex(index, lView) as RElement;
-  if (value == null) {
-    ngDevMode && ngDevMode.rendererRemoveAttribute++;
-    isProceduralRenderer(renderer) ? renderer.removeAttribute(element, name, namespace) :
-                                     element.removeAttribute(name);
-  } else {
-    ngDevMode && ngDevMode.rendererSetAttribute++;
-    const tNode = getTNode(index, lView);
-    const strValue =
-        sanitizer == null ? renderStringify(value) : sanitizer(value, tNode.tagName || '', name);
-
-
-    if (isProceduralRenderer(renderer)) {
-      renderer.setAttribute(element, name, strValue, namespace);
-    } else {
-      namespace ? element.setAttributeNS(namespace, name, strValue) :
-                  element.setAttribute(name, strValue);
-    }
-  }
-}
-
 /**
  * Assign static attribute values to a host element.
  *

packages/core/src/render3/instructions/shared.ts

@@ -9,7 +9,7 @@ import {Injector} from '../../di';
 import {ErrorHandler} from '../../error_handler';
 import {Type} from '../../interface/type';
 import {CUSTOM_ELEMENTS_SCHEMA, NO_ERRORS_SCHEMA, SchemaMetadata} from '../../metadata/schema';
-import {validateAgainstEventProperties} from '../../sanitization/sanitization';
+import {validateAgainstEventAttributes, validateAgainstEventProperties} from '../../sanitization/sanitization';
 import {Sanitizer} from '../../sanitization/security';
 import {assertDataInRange, assertDefined, assertDomNode, assertEqual, assertLessThan, assertNotEqual, assertNotSame} from '../../util/assert';
 import {createNamedArrayType} from '../../util/named_array_type';
@@ -35,7 +35,7 @@ import {initializeStaticContext as initializeStaticStylingContext} from '../styl
 import {ANIMATION_PROP_PREFIX, isAnimationProp} from '../styling/util';
 import {NO_CHANGE} from '../tokens';
 import {attrsStylingIndexOf} from '../util/attrs_utils';
-import {INTERPOLATION_DELIMITER, stringifyForError} from '../util/misc_utils';
+import {INTERPOLATION_DELIMITER, renderStringify, stringifyForError} from '../util/misc_utils';
 import {getLViewParent, getRootContext} from '../util/view_traversal_utils';
 import {getComponentViewByIndex, getNativeByIndex, getNativeByTNode, getTNode, isComponent, isComponentDef, isContentQueryHost, isLContainer, isRootView, readPatchedLView, resetPreOrderHookFlags, unwrapRNode, viewAttachedToChangeDetector} from '../util/view_utils';
 
@@ -1303,6 +1303,33 @@ function addComponentLogic<T>(
   }
 }
 
+export function elementAttributeInternal(
+    index: number, name: string, value: any, lView: LView, sanitizer?: SanitizerFn | null,
+    namespace?: string) {
+  ngDevMode && assertNotSame(value, NO_CHANGE as any, 'Incoming value should never be NO_CHANGE.');
+  ngDevMode && validateAgainstEventAttributes(name);
+  const element = getNativeByIndex(index, lView) as RElement;
+  const renderer = lView[RENDERER];
+  if (value == null) {
+    ngDevMode && ngDevMode.rendererRemoveAttribute++;
+    isProceduralRenderer(renderer) ? renderer.removeAttribute(element, name, namespace) :
+                                     element.removeAttribute(name);
+  } else {
+    ngDevMode && ngDevMode.rendererSetAttribute++;
+    const tNode = getTNode(index, lView);
+    const strValue =
+        sanitizer == null ? renderStringify(value) : sanitizer(value, tNode.tagName || '', name);
+
+
+    if (isProceduralRenderer(renderer)) {
+      renderer.setAttribute(element, name, strValue, namespace);
+    } else {
+      namespace ? element.setAttributeNS(namespace, name, strValue) :
+                  element.setAttribute(name, strValue);
+    }
+  }
+}
+
 /**
  * Sets initial input properties on directive instances from attribute data
  *

packages/core/src/render3/jit/environment.ts

@@ -46,7 +46,6 @@ export const angularCoreEnv: {[name: string]: Function} =
        'ɵɵNgOnChangesFeature': r3.ɵɵNgOnChangesFeature,
        'ɵɵProvidersFeature': r3.ɵɵProvidersFeature,
        'ɵɵInheritDefinitionFeature': r3.ɵɵInheritDefinitionFeature,
-       'ɵɵelementAttribute': r3.ɵɵelementAttribute,
        'ɵɵbind': r3.ɵɵbind,
        'ɵɵcontainer': r3.ɵɵcontainer,
        'ɵɵnextContext': r3.ɵɵnextContext,

packages/core/test/render3/instructions_spec.ts

@@ -9,7 +9,7 @@
 import {NgForOfContext} from '@angular/common';
 
 import {ɵɵdefineComponent} from '../../src/render3/definition';
-import {RenderFlags, ɵɵbind, ɵɵclassMap, ɵɵelement, ɵɵelementAttribute, ɵɵelementEnd, ɵɵelementStart, ɵɵinterpolation1, ɵɵproperty, ɵɵselect, ɵɵstyleMap, ɵɵstyleProp, ɵɵstyling, ɵɵstylingApply, ɵɵtemplate, ɵɵtext, ɵɵtextBinding} from '../../src/render3/index';
+import {RenderFlags, ɵɵattribute, ɵɵclassMap, ɵɵelement, ɵɵelementEnd, ɵɵelementStart, ɵɵinterpolation1, ɵɵproperty, ɵɵselect, ɵɵstyleMap, ɵɵstyleProp, ɵɵstyling, ɵɵstylingApply, ɵɵtemplate, ɵɵtext, ɵɵtextBinding} from '../../src/render3/index';
 import {AttributeMarker} from '../../src/render3/interfaces/node';
 import {bypassSanitizationTrustHtml, bypassSanitizationTrustResourceUrl, bypassSanitizationTrustScript, bypassSanitizationTrustStyle, bypassSanitizationTrustUrl} from '../../src/sanitization/bypass';
 import {ɵɵdefaultStyleSanitizer, ɵɵsanitizeHtml, ɵɵsanitizeResourceUrl, ɵɵsanitizeScript, ɵɵsanitizeStyle, ɵɵsanitizeUrl} from '../../src/sanitization/sanitization';
@@ -119,16 +119,20 @@ describe('instructions', () => {
     });
   });
 
-  describe('elementAttribute', () => {
+  describe('attribute', () => {
     it('should use sanitizer function', () => {
-      const t = new TemplateFixture(createDiv, () => {}, 1);
+      const t = new TemplateFixture(createDiv, () => {}, 1, 1);
 
-      t.update(() => ɵɵelementAttribute(0, 'title', 'javascript:true', ɵɵsanitizeUrl));
+      t.update(() => {
+        ɵɵselect(0);
+        ɵɵattribute('title', 'javascript:true', ɵɵsanitizeUrl);
+      });
       expect(t.html).toEqual('<div title="unsafe:javascript:true"></div>');
 
-      t.update(
+      t.update(() => {
-          () => ɵɵelementAttribute(
+        ɵɵselect(0);
-              0, 'title', bypassSanitizationTrustUrl('javascript:true'), ɵɵsanitizeUrl));
+        ɵɵattribute('title', bypassSanitizationTrustUrl('javascript:true'), ɵɵsanitizeUrl);
+      });
       expect(t.html).toEqual('<div title="javascript:true"></div>');
       expect(ngDevMode).toHaveProperties({
         firstTemplatePass: 1,
@@ -360,99 +364,126 @@ describe('instructions', () => {
   describe('sanitization injection compatibility', () => {
     it('should work for url sanitization', () => {
       const s = new LocalMockSanitizer(value => `${value}-sanitized`);
-      const t = new TemplateFixture(createAnchor, undefined, 1, 0, null, null, s);
+      const t = new TemplateFixture(createAnchor, undefined, 1, 1, null, null, s);
       const inputValue = 'http://foo';
       const outputValue = 'http://foo-sanitized';
 
-      t.update(() => ɵɵelementAttribute(0, 'href', inputValue, ɵɵsanitizeUrl));
+      t.update(() => {
+        ɵɵselect(0);
+        ɵɵattribute('href', inputValue, ɵɵsanitizeUrl);
+      });
       expect(t.html).toEqual(`<a href="${outputValue}"></a>`);
       expect(s.lastSanitizedValue).toEqual(outputValue);
     });
 
     it('should bypass url sanitization if marked by the service', () => {
       const s = new LocalMockSanitizer(value => '');
-      const t = new TemplateFixture(createAnchor, undefined, 1, 0, null, null, s);
+      const t = new TemplateFixture(createAnchor, undefined, 1, 1, null, null, s);
       const inputValue = s.bypassSecurityTrustUrl('http://foo');
       const outputValue = 'http://foo';
 
-      t.update(() => ɵɵelementAttribute(0, 'href', inputValue, ɵɵsanitizeUrl));
+      t.update(() => {
+        ɵɵselect(0);
+        ɵɵattribute('href', inputValue, ɵɵsanitizeUrl);
+      });
       expect(t.html).toEqual(`<a href="${outputValue}"></a>`);
       expect(s.lastSanitizedValue).toBeFalsy();
     });
 
     it('should bypass ivy-level url sanitization if a custom sanitizer is used', () => {
       const s = new LocalMockSanitizer(value => '');
-      const t = new TemplateFixture(createAnchor, undefined, 1, 0, null, null, s);
+      const t = new TemplateFixture(createAnchor, undefined, 1, 1, null, null, s);
       const inputValue = bypassSanitizationTrustUrl('http://foo');
       const outputValue = 'http://foo-ivy';
 
-      t.update(() => ɵɵelementAttribute(0, 'href', inputValue, ɵɵsanitizeUrl));
+      t.update(() => {
+        ɵɵselect(0);
+        ɵɵattribute('href', inputValue, ɵɵsanitizeUrl);
+      });
       expect(t.html).toEqual(`<a href="${outputValue}"></a>`);
       expect(s.lastSanitizedValue).toBeFalsy();
     });
 
     it('should work for style sanitization', () => {
       const s = new LocalMockSanitizer(value => `color:blue`);
-      const t = new TemplateFixture(createDiv, undefined, 1, 0, null, null, s);
+      const t = new TemplateFixture(createDiv, undefined, 1, 1, null, null, s);
       const inputValue = 'color:red';
       const outputValue = 'color:blue';
 
-      t.update(() => ɵɵelementAttribute(0, 'style', inputValue, ɵɵsanitizeStyle));
+      t.update(() => {
+        ɵɵselect(0);
+        ɵɵattribute('style', inputValue, ɵɵsanitizeStyle);
+      });
       expect(stripStyleWsCharacters(t.html)).toEqual(`<div style="${outputValue}"></div>`);
       expect(s.lastSanitizedValue).toEqual(outputValue);
     });
 
     it('should bypass style sanitization if marked by the service', () => {
       const s = new LocalMockSanitizer(value => '');
-      const t = new TemplateFixture(createDiv, undefined, 1, 0, null, null, s);
+      const t = new TemplateFixture(createDiv, undefined, 1, 1, null, null, s);
       const inputValue = s.bypassSecurityTrustStyle('color:maroon');
       const outputValue = 'color:maroon';
 
-      t.update(() => ɵɵelementAttribute(0, 'style', inputValue, ɵɵsanitizeStyle));
+      t.update(() => {
+        ɵɵselect(0);
+        ɵɵattribute('style', inputValue, ɵɵsanitizeStyle);
+      });
       expect(stripStyleWsCharacters(t.html)).toEqual(`<div style="${outputValue}"></div>`);
       expect(s.lastSanitizedValue).toBeFalsy();
     });
 
     it('should bypass ivy-level style sanitization if a custom sanitizer is used', () => {
       const s = new LocalMockSanitizer(value => '');
-      const t = new TemplateFixture(createDiv, undefined, 1, 0, null, null, s);
+      const t = new TemplateFixture(createDiv, undefined, 1, 1, null, null, s);
       const inputValue = bypassSanitizationTrustStyle('font-family:foo');
       const outputValue = 'font-family:foo-ivy';
 
-      t.update(() => ɵɵelementAttribute(0, 'style', inputValue, ɵɵsanitizeStyle));
+      t.update(() => {
+        ɵɵselect(0);
+        ɵɵattribute('style', inputValue, ɵɵsanitizeStyle);
+      });
       expect(stripStyleWsCharacters(t.html)).toEqual(`<div style="${outputValue}"></div>`);
       expect(s.lastSanitizedValue).toBeFalsy();
     });
 
     it('should work for resourceUrl sanitization', () => {
       const s = new LocalMockSanitizer(value => `${value}-sanitized`);
-      const t = new TemplateFixture(createScript, undefined, 1, 0, null, null, s);
+      const t = new TemplateFixture(createScript, undefined, 1, 1, null, null, s);
       const inputValue = 'http://resource';
       const outputValue = 'http://resource-sanitized';
 
-      t.update(() => ɵɵelementAttribute(0, 'src', inputValue, ɵɵsanitizeResourceUrl));
+      t.update(() => {
+        ɵɵselect(0);
+        ɵɵattribute('src', inputValue, ɵɵsanitizeResourceUrl);
+      });
       expect(t.html).toEqual(`<script src="${outputValue}"></script>`);
       expect(s.lastSanitizedValue).toEqual(outputValue);
     });
 
     it('should bypass resourceUrl sanitization if marked by the service', () => {
       const s = new LocalMockSanitizer(value => '');
-      const t = new TemplateFixture(createScript, undefined, 1, 0, null, null, s);
+      const t = new TemplateFixture(createScript, undefined, 1, 1, null, null, s);
       const inputValue = s.bypassSecurityTrustResourceUrl('file://all-my-secrets.pdf');
       const outputValue = 'file://all-my-secrets.pdf';
 
-      t.update(() => ɵɵelementAttribute(0, 'src', inputValue, ɵɵsanitizeResourceUrl));
+      t.update(() => {
+        ɵɵselect(0);
+        ɵɵattribute('src', inputValue, ɵɵsanitizeResourceUrl);
+      });
       expect(t.html).toEqual(`<script src="${outputValue}"></script>`);
       expect(s.lastSanitizedValue).toBeFalsy();
     });
 
     it('should bypass ivy-level resourceUrl sanitization if a custom sanitizer is used', () => {
       const s = new LocalMockSanitizer(value => '');
-      const t = new TemplateFixture(createScript, undefined, 1, 0, null, null, s);
+      const t = new TemplateFixture(createScript, undefined, 1, 1, null, null, s);
       const inputValue = bypassSanitizationTrustResourceUrl('file://all-my-secrets.pdf');
       const outputValue = 'file://all-my-secrets.pdf-ivy';
 
-      t.update(() => ɵɵelementAttribute(0, 'src', inputValue, ɵɵsanitizeResourceUrl));
+      t.update(() => {
+        ɵɵselect(0);
+        ɵɵattribute('src', inputValue, ɵɵsanitizeResourceUrl);
+      });
       expect(t.html).toEqual(`<script src="${outputValue}"></script>`);
       expect(s.lastSanitizedValue).toBeFalsy();
     });

packages/core/test/render3/integration_spec.ts

@@ -8,8 +8,8 @@
 
 import {RendererType2} from '../../src/render/api';
 import {getLContext} from '../../src/render3/context_discovery';
-import {AttributeMarker, ɵɵdefineComponent, ɵɵdefineDirective, ɵɵproperty} from '../../src/render3/index';
+import {AttributeMarker, ɵɵattribute, ɵɵdefineComponent, ɵɵdefineDirective, ɵɵproperty} from '../../src/render3/index';
-import {ɵɵallocHostVars, ɵɵbind, ɵɵcontainer, ɵɵcontainerRefreshEnd, ɵɵcontainerRefreshStart, ɵɵelement, ɵɵelementAttribute, ɵɵelementEnd, ɵɵelementStart, ɵɵembeddedViewEnd, ɵɵembeddedViewStart, ɵɵprojection, ɵɵprojectionDef, ɵɵselect, ɵɵstyling, ɵɵstylingApply, ɵɵtemplate, ɵɵtext, ɵɵtextBinding} from '../../src/render3/instructions/all';
+import {ɵɵallocHostVars, ɵɵbind, ɵɵcontainer, ɵɵcontainerRefreshEnd, ɵɵcontainerRefreshStart, ɵɵelement, ɵɵelementEnd, ɵɵelementStart, ɵɵembeddedViewEnd, ɵɵembeddedViewStart, ɵɵprojection, ɵɵprojectionDef, ɵɵselect, ɵɵstyling, ɵɵstylingApply, ɵɵtemplate, ɵɵtext, ɵɵtextBinding} from '../../src/render3/instructions/all';
 import {MONKEY_PATCH_KEY_NAME} from '../../src/render3/interfaces/context';
 import {RenderFlags} from '../../src/render3/interfaces/definition';
 import {RElement, Renderer3, RendererFactory3, domRendererFactory3} from '../../src/render3/interfaces/renderer';
@@ -286,7 +286,8 @@ describe('component animations', () => {
             ɵɵelement(0, 'div', [AttributeMarker.Bindings, '@fooAnimation']);
           }
           if (rf & RenderFlags.Update) {
-            ɵɵelementAttribute(0, '@fooAnimation', ɵɵbind(ctx.animationValue));
+            ɵɵselect(0);
+            ɵɵattribute('@fooAnimation', ctx.animationValue);
           }
         }
       });

tools/public_api_guard/core/core.d.ts

@@ -818,8 +818,6 @@ export declare function ɵɵdisableBindings(): void;
 
 export declare function ɵɵelement(index: number, name: string, attrs?: TAttributes | null, localRefs?: string[] | null): void;
 
-export declare function ɵɵelementAttribute(index: number, name: string, value: any, sanitizer?: SanitizerFn | null, namespace?: string): void;
-
 export declare function ɵɵelementContainerEnd(): void;
 
 export declare function ɵɵelementContainerStart(index: number, attrs?: TAttributes | null, localRefs?: string[] | null): void;