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feat(ivy): added new namespace and element instructions to JIT environment (#23899) 

PR Close #23899
This commit is contained in:
Ben Lesh 2018-06-01 16:00:51 -07:00 committed by Victor Berchet
parent 1007d1ad27
commit acf270d724
18 changed files with 126 additions and 75 deletions
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5
packages/compiler/src/render3/view/compiler.ts
View File

@ -136,7 +136,8 @@ export function compileComponentFromMetadata(
const templateFunctionExpression =
new TemplateDefinitionBuilder(
constantPool, CONTEXT_NAME, BindingScope.ROOT_SCOPE, 0, templateTypeName, templateName,
meta.viewQueries, directiveMatcher, directivesUsed, meta.pipes, pipesUsed)
meta.viewQueries, directiveMatcher, directivesUsed, meta.pipes, pipesUsed,
R3.namespaceHTML)
.buildTemplateFunction(
template.nodes, [], template.hasNgContent, template.ngContentSelectors);
@ -443,4 +444,4 @@ function typeMapToExpressionMap(
const entries = Array.from(map).map(
([key, type]): [string, o.Expression] => [key, outputCtx.importExpr(type)]);
return new Map(entries);
}
}

45
packages/compiler/src/render3/view/template.ts
View File

@ -18,8 +18,8 @@ import * as html from '../../ml_parser/ast';
import {HtmlParser} from '../../ml_parser/html_parser';
import {WhitespaceVisitor} from '../../ml_parser/html_whitespaces';
import {DEFAULT_INTERPOLATION_CONFIG} from '../../ml_parser/interpolation_config';
import {splitNsName} from '../../ml_parser/tags';
import * as o from '../../output/output_ast';
import {ExternalReference} from '../../output/output_ast';
import {ParseError, ParseSourceSpan} from '../../parse_util';
import {DomElementSchemaRegistry} from '../../schema/dom_element_schema_registry';
import {CssSelector, SelectorMatcher} from '../../selector';
@ -52,7 +52,6 @@ export class TemplateDefinitionBuilder implements t.Visitor<void>, LocalResolver
private _valueConverter: ValueConverter;
private _unsupported = unsupported;
private _bindingScope: BindingScope;
private _namespace = R3.namespaceHTML;
// Whether we are inside a translatable element (`<p i18n>... somewhere here ... </p>)
private _inI18nSection: boolean = false;
@ -68,7 +67,8 @@ export class TemplateDefinitionBuilder implements t.Visitor<void>, LocalResolver
parentBindingScope: BindingScope, private level = 0, private contextName: string|null,
private templateName: string|null, private viewQueries: R3QueryMetadata[],
private directiveMatcher: SelectorMatcher|null, private directives: Set<o.Expression>,
private pipeTypeByName: Map<string, o.Expression>, private pipes: Set<o.Expression>) {
private pipeTypeByName: Map<string, o.Expression>, private pipes: Set<o.Expression>,
private _namespace: o.ExternalReference) {
this._bindingScope =
parentBindingScope.nestedScope((lhsVar: o.ReadVarExpr, expression: o.Expression) => {
this._bindingCode.push(
@ -91,6 +91,10 @@ export class TemplateDefinitionBuilder implements t.Visitor<void>, LocalResolver
buildTemplateFunction(
nodes: t.Node[], variables: t.Variable[], hasNgContent: boolean = false,
ngContentSelectors: string[] = []): o.FunctionExpr {
if (this._namespace !== R3.namespaceHTML) {
this.instruction(this._creationCode, null, this._namespace);
}
// Create variable bindings
for (const variable of variables) {
const variableName = variable.name;
@ -224,20 +228,20 @@ export class TemplateDefinitionBuilder implements t.Visitor<void>, LocalResolver
/**
* Gets the namespace instruction function based on the current element
* @param ivyElementName An system element name, can include colons like :svg:svg
* @param namespaceKey A system key for a namespace (e.g. 'svg' or 'math')
*/
getNamespaceInstruction(ivyElementName: string) {
switch (ivyElementName) {
case ':svg:svg':
getNamespaceInstruction(namespaceKey: string|null) {
switch (namespaceKey) {
case 'svg':
return R3.namespaceSVG;
case ':math:math':
case 'math':
return R3.namespaceMathML;
default:
return this._namespace;
return R3.namespaceHTML;
}
}
addNamespaceInstruction(nsInstruction: ExternalReference, element: t.Element) {
addNamespaceInstruction(nsInstruction: o.ExternalReference, element: t.Element) {
this._namespace = nsInstruction;
this.instruction(this._creationCode, element.sourceSpan, nsInstruction);
}
@ -249,7 +253,9 @@ export class TemplateDefinitionBuilder implements t.Visitor<void>, LocalResolver
const outputAttrs: {[name: string]: string} = {};
const attrI18nMetas: {[name: string]: string} = {};
let i18nMeta: string = '';
let i18nMeta = '';
const [namespaceKey, elementName] = splitNsName(element.name);
// Elements inside i18n sections are replaced with placeholders
// TODO(vicb): nested elements are a WIP in this phase
@ -291,7 +297,7 @@ export class TemplateDefinitionBuilder implements t.Visitor<void>, LocalResolver
// Element creation mode
const parameters: o.Expression[] = [
o.literal(elementIndex),
o.literal(element.name),
o.literal(elementName),
];
// Add the attributes
@ -343,7 +349,8 @@ export class TemplateDefinitionBuilder implements t.Visitor<void>, LocalResolver
const implicit = o.variable(CONTEXT_NAME);
const wasInNamespace = this._namespace;
const currentNamespace = this.getNamespaceInstruction(element.name);
const currentNamespace = this.getNamespaceInstruction(namespaceKey);
// If the namespace is changing now, include an instruction to change it
// during element creation.
if (currentNamespace !== wasInNamespace) {
@ -359,14 +366,6 @@ export class TemplateDefinitionBuilder implements t.Visitor<void>, LocalResolver
this._creationCode, element.sourceSpan, R3.elementStart,
...trimTrailingNulls(parameters));
// If the element happens to be an SVG <foreignObject>, we need to switch
// to the HTML namespace inside of it
if (element.name === ':svg:foreignObject') {
// NOTE(benlesh): this may cause extremem corner-case bugs if someone was to do something
// like <math>...<foreignObject></foreignObject>...</math>.
this.addNamespaceInstruction(R3.namespaceHTML, element);
}
// Generate Listeners (outputs)
element.outputs.forEach((outputAst: t.BoundEvent) => {
const elName = sanitizeIdentifier(element.name);
@ -423,7 +422,6 @@ export class TemplateDefinitionBuilder implements t.Visitor<void>, LocalResolver
}
// Restore the state before exiting this node
this._inI18nSection = wasInI18nSection;
this._namespace = wasInNamespace;
}
visitTemplate(template: t.Template) {
@ -484,7 +482,8 @@ export class TemplateDefinitionBuilder implements t.Visitor<void>, LocalResolver
// Create the template function
const templateVisitor = new TemplateDefinitionBuilder(
this.constantPool, templateContext, this._bindingScope, this.level + 1, contextName,
templateName, [], this.directiveMatcher, this.directives, this.pipeTypeByName, this.pipes);
templateName, [], this.directiveMatcher, this.directives, this.pipeTypeByName, this.pipes,
this._namespace);
const templateFunctionExpr =
templateVisitor.buildTemplateFunction(template.children, template.variables);
this._postfixCode.push(templateFunctionExpr.toDeclStmt(templateName, null));

61
packages/compiler/test/render3/r3_compiler_compliance_spec.ts
View File

@ -95,8 +95,8 @@ describe('compiler compliance', () => {
if (rf & 1) {
$r3$.ɵE(0, 'div', $e0_attrs$);
$r3$.ɵNS();
$r3$.ɵE(1, ':svg:svg');
$r3$.ɵEe(2, ':svg:circle', $e2_attrs$);
$r3$.ɵE(1, 'svg');
$r3$.ɵEe(2, 'circle', $e2_attrs$);
$r3$.ɵe();
$r3$.ɵe();
}
@ -110,6 +110,54 @@ describe('compiler compliance', () => {
expectEmit(result.source, template, 'Incorrect template');
});
it('should enter and leave the SVG namespace appropriately', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div class="my-app" title="Hello"><svg><circle cx="50" cy="100" r="25"/></svg><p>TEST 2</p></div>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
// The factory should look like this:
const factory = 'factory: function MyComponent_Factory() { return new MyComponent(); }';
// The template should look like this (where IDENT is a wild card for an identifier):
const template = `
const $c1$ = ['class', 'my-app', 'title', 'Hello'];
…
template: function MyComponent_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'div', $e0_attrs$);
$r3$.ɵNS();
$r3$.ɵE(1, 'svg');
$r3$.ɵEe(2, 'circle', $e2_attrs$);
$r3$.ɵe();
$r3$.ɵNH();
$r3$.ɵE(3, 'p');
$r3$.ɵT(4, 'TEST 2');
$r3$.ɵe();
$r3$.ɵe();
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, factory, 'Incorrect factory');
expectEmit(result.source, template, 'Incorrect template');
});
it('should bind to element properties', () => {
const files = {
app: {
@ -1274,7 +1322,7 @@ describe('compiler compliance', () => {
expectEmit(source, MyComponentDefinition, 'Invalid component definition');
});
it('should support a let variable and reference for SVG', () => {
it('should support embedded views in the SVG namespace', () => {
const files = {
app: {
...shared,
@ -1321,15 +1369,16 @@ describe('compiler compliance', () => {
template: function MyComponent_Template(rf:IDENT,ctx:IDENT){
if (rf & 1) {
$r3$.ɵNS();
$r3$.ɵE(0,':svg:svg');
$r3$.ɵE(0,'svg');
$r3$.ɵC(1,MyComponent__svg_g_Template_1,null,$_c0$);
$r3$.ɵe();
}
if (rf & 2) { $r3$.ɵp(1,'forOf',$r3$.ɵb(ctx.items)); }
function MyComponent__svg_g_Template_1(rf:IDENT,ctx0:IDENT) {
if (rf & 1) {
$r3$.ɵE(0,':svg:g');
$r3$.ɵEe(1,':svg:circle');
$r3$.ɵNS();
$r3$.ɵE(0,'g');
$r3$.ɵEe(1,'circle');
$r3$.ɵe();
}
}

1
packages/core/src/core_render3_private_export.ts
View File

@ -45,7 +45,6 @@ export {
i7 as ɵi7,
i8 as ɵi8,
iV as ɵiV,
N as ɵN,
NH as ɵNH,
NM as ɵNM,
NS as ɵNS,

2
packages/core/src/render3/STATUS.md
View File

@ -150,7 +150,7 @@ The goal is for the `@Component` (and friends) to be the compiler of template. S
| `{{ ['literal', exp ] }}` | ✅ | ✅ | ✅ |
| `{{ { a: 'literal', b: exp } }}` | ✅ | ✅ | ✅ |
| `{{ exp \| pipe: arg }}` | ✅ | ✅ | ✅ |
| `<svg:g svg:p>` | ✅ | ✅ | ❌ |
| `<svg:g svg:p>` | ✅ | ✅ | ✅ |
| `<img src=[userData]>` sanitization | ❌ | ❌ | ❌ |
| `<div (nocd.click)>` | ❌ | ❌ | ❌ |
| `<div (bubble.click)>` | ❌ | ❌ | ❌ |

4
packages/core/src/render3/di.ts
View File

@ -261,8 +261,8 @@ export function injectAttribute(attrNameToInject: string): string|undefined {
if (attrs) {
for (let i = 0; i < attrs.length; i = i + 2) {
let attrName = attrs[i];
if (attrName === AttributeMarker.SELECT_ONLY) break;
if (attrName === AttributeMarker.NAMESPACE_URI) {
if (attrName === AttributeMarker.SelectOnly) break;
if (attrName === AttributeMarker.NamespaceUri) {
attrName = attrs[i += 2];
}
if (attrName == attrNameToInject) {

1
packages/core/src/render3/index.ts
View File

@ -54,7 +54,6 @@ export {
elementStyle as s,
elementStyleNamed as sn,
namespace as N,
namespaceHTML as NH,
namespaceMathML as NM,
namespaceSVG as NS,

31
packages/core/src/render3/instructions.ts
View File

@ -560,15 +560,6 @@ function getRenderFlags(view: LView): RenderFlags {
//////////////////////////
let _currentNamespace: string|null = null;
/**
* Sets the namespace URI that will be used to create elements in {@link element}
* and {@link elementStart}
* @param uri the full namespaceUri
*/
export function namespace(uri: string | null) {
_currentNamespace = uri;
}
/**
* Sets the current namespace URI to null, meaning createElement (not createElementNS)
* will be used to create elements in {@link element} and {@link elementStart}
@ -617,9 +608,17 @@ export function elementStart(
ngDevMode && ngDevMode.rendererCreateElement++;
const native: RElement = _currentNamespace === null || isProceduralRenderer(renderer) ?
renderer.createElement(name) :
(renderer as ObjectOrientedRenderer3).createElementNS(_currentNamespace, name);
let native: RElement;
if (isProceduralRenderer(renderer)) {
native = renderer.createElement(name, _currentNamespace);
} else {
if (_currentNamespace === null) {
native = renderer.createElement(name);
} else {
native = renderer.createElementNS(_currentNamespace, name);
}
}
ngDevMode && assertDataInRange(index - 1);
@ -861,7 +860,7 @@ function setUpAttributes(native: RElement, attrs: TAttributes): void {
const isProc = isProceduralRenderer(renderer);
for (let i = 0; i < attrs.length; i += 2) {
let attrName = attrs[i];
if (attrName === AttributeMarker.NAMESPACE_URI) {
if (attrName === AttributeMarker.NamespaceUri) {
const attrNS = attrs[i + 1] as string;
attrName = attrs[i + 2] as string;
const attrVal = attrs[i + 3] as string;
@ -872,7 +871,7 @@ function setUpAttributes(native: RElement, attrs: TAttributes): void {
native.setAttributeNS(attrNS, attrName, attrVal);
}
} else {
if (attrName === AttributeMarker.SELECT_ONLY) break;
if (attrName === AttributeMarker.SelectOnly) break;
if (attrName !== NG_PROJECT_AS_ATTR_NAME) {
const attrVal = attrs[i + 1];
ngDevMode && ngDevMode.rendererSetAttribute++;
@ -1533,11 +1532,11 @@ function generateInitialInputs(
const attrs = tNode.attrs !;
for (let i = 0; i < attrs.length; i += 2) {
const first = attrs[i];
const attrName = first === AttributeMarker.NAMESPACE_URI ? attrs[i += 2] : first;
const attrName = first === AttributeMarker.NamespaceUri ? attrs[i += 2] : first;
const minifiedInputName = inputs[attrName];
const attrValue = attrs[i + 1];
if (attrName === AttributeMarker.SELECT_ONLY) break;
if (attrName === AttributeMarker.SelectOnly) break;
if (minifiedInputName !== undefined) {
const inputsToStore: InitialInputs =
initialInputData[directiveIndex] || (initialInputData[directiveIndex] = []);

4
packages/core/src/render3/interfaces/node.ts
View File

@ -164,7 +164,7 @@ export const enum AttributeMarker {
* Use the next value as the full namespaces URI, the values after that
* are then the name and the value, respectively.
*/
NAMESPACE_URI = 0, // namespace. Has to be repeated.
NamespaceUri = 0, // namespace. Has to be repeated.
/**
* This marker indicates that the following attribute names were extracted from bindings (ex.:
@ -172,7 +172,7 @@ export const enum AttributeMarker {
* Taking the above bindings and outputs as an example an attributes array could look as follows:
* ['class', 'fade in', AttributeMarker.SELECT_ONLY, 'foo', 'bar']
*/
SELECT_ONLY = 1
SelectOnly = 1
}
/**

4
packages/core/src/render3/jit/environment.ts
View File

@ -37,6 +37,7 @@ export const angularCoreEnv: {[name: string]: Function} = {
'ɵcr': r3.cr,
'ɵd': r3.d,
'ɵE': r3.E,
'ɵEe': r3.Ee,
'ɵe': r3.e,
'ɵf0': r3.f0,
'ɵf1': r3.f1,
@ -60,6 +61,9 @@ export const angularCoreEnv: {[name: string]: Function} = {
'ɵkn': r3.kn,
'ɵL': r3.L,
'ɵld': r3.ld,
'ɵNH': r3.NH,
'ɵNM': r3.NM,
'ɵNS': r3.NS,
'ɵp': r3.p,
'ɵpb1': r3.pb1,
'ɵpb2': r3.pb2,

6
packages/core/src/render3/node_selector_matcher.ts
View File

@ -41,7 +41,7 @@ export function isNodeMatchingSelector(tNode: TNode, selector: CssSelector): boo
let mode: SelectorFlags = SelectorFlags.ELEMENT;
const nodeAttrs = tNode.attrs !;
const selectOnlyMarkerIdx = nodeAttrs ? nodeAttrs.indexOf(AttributeMarker.SELECT_ONLY) : -1;
const selectOnlyMarkerIdx = nodeAttrs ? nodeAttrs.indexOf(AttributeMarker.SelectOnly) : -1;
// When processing ":not" selectors, we skip to the next ":not" if the
// current one doesn't match
@ -107,11 +107,11 @@ function findAttrIndexInNode(name: string, attrs: TAttributes | null): number {
if (attrs === null) return -1;
for (let i = 0; i < attrs.length; i += step) {
const attrName = attrs[i];
if (attrName === AttributeMarker.NAMESPACE_URI) {
if (attrName === AttributeMarker.NamespaceUri) {
step = 2;
} else if (attrName === name) {
return i;
} else if (attrName === AttributeMarker.SELECT_ONLY) {
} else if (attrName === AttributeMarker.SelectOnly) {
step = 1;
}
}

3
packages/core/test/render3/compiler_canonical/template_variables_spec.ts
View File

@ -165,6 +165,7 @@ describe('template variables', () => {
}
function MyComponent__svg_g_Template_1(rf: $RenderFlags$, ctx0: $MyComponent$) {
if (rf & 1) {
$r3$.ɵNS();
$r3$.ɵE(0, 'g');
$r3$.ɵEe(1, 'circle');
$r3$.ɵe();
@ -180,7 +181,7 @@ describe('template variables', () => {
[ForOfDirective.ngDirectiveDef];
// /NON-NORMATIVE
// TODO(chuckj): update when the changes to enable ngForOf lands.
// TODO(benlesh): update when the changes to enable ngForOf lands.
expect(toHtml(renderComponent(MyComponent))).toEqual('<svg></svg>');
});

2
packages/core/test/render3/content_spec.ts
View File

@ -605,7 +605,7 @@ describe('content projection', () => {
if (rf & RenderFlags.Create) {
elementStart(0, 'child');
{
elementStart(1, 'span', [AttributeMarker.SELECT_ONLY, 'title']);
elementStart(1, 'span', [AttributeMarker.SelectOnly, 'title']);
{ text(2, 'Has title'); }
elementEnd();
}

4
packages/core/test/render3/di_spec.ts
View File

@ -1225,7 +1225,7 @@ describe('di', () => {
const MyApp = createComponent('my-app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
elementStart(0, 'div', ['exist', 'existValue', AttributeMarker.SELECT_ONLY, 'nonExist']);
elementStart(0, 'div', ['exist', 'existValue', AttributeMarker.SelectOnly, 'nonExist']);
exist = injectAttribute('exist');
nonExist = injectAttribute('nonExist');
}
@ -1243,7 +1243,7 @@ describe('di', () => {
const MyApp = createComponent('my-app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
elementStart(0, 'div', [
'exist', 'existValue', AttributeMarker.SELECT_ONLY, 'binding1', 'nonExist', 'binding2'
'exist', 'existValue', AttributeMarker.SelectOnly, 'binding1', 'nonExist', 'binding2'
]);
exist = injectAttribute('exist');
nonExist = injectAttribute('nonExist');

8
packages/core/test/render3/directive_spec.ts
View File

@ -34,7 +34,7 @@ describe('directive', () => {
}
function Template() {
elementStart(0, 'span', [AttributeMarker.SELECT_ONLY, 'dir']);
elementStart(0, 'span', [AttributeMarker.SelectOnly, 'dir']);
elementEnd();
}
@ -82,7 +82,7 @@ describe('directive', () => {
*/
function createTemplate() {
// using 2 bindings to show example shape of attributes array
elementStart(0, 'span', ['class', 'fade', AttributeMarker.SELECT_ONLY, 'test', 'other']);
elementStart(0, 'span', ['class', 'fade', AttributeMarker.SelectOnly, 'test', 'other']);
elementEnd();
}
@ -132,7 +132,7 @@ describe('directive', () => {
function createTemplate() {
// putting name (test) in the "usual" value position
elementStart(
0, 'span', ['class', 'fade', AttributeMarker.SELECT_ONLY, 'prop1', 'test', 'prop2']);
0, 'span', ['class', 'fade', AttributeMarker.SelectOnly, 'prop1', 'test', 'prop2']);
elementEnd();
}
@ -168,7 +168,7 @@ describe('directive', () => {
* <span (out)="someVar = true"></span>
*/
function createTemplate() {
elementStart(0, 'span', [AttributeMarker.SELECT_ONLY, 'out']);
elementStart(0, 'span', [AttributeMarker.SelectOnly, 'out']);
{ listener('out', () => {}); }
elementEnd();
}

12
packages/core/test/render3/instructions_spec.ts
View File

@ -95,7 +95,7 @@ describe('instructions', () => {
it('should use sanitizer function even on elements with namespaced attributes', () => {
const t = new TemplateFixture(() => {
element(0, 'div', [
AttributeMarker.NAMESPACE_URI,
AttributeMarker.NamespaceUri,
'http://www.example.com/2004/test',
'whatever',
'abc',
@ -445,7 +445,7 @@ describe('instructions', () => {
'height',
'300',
// test:title="abc"
AttributeMarker.NAMESPACE_URI,
AttributeMarker.NamespaceUri,
'http://www.example.com/2014/test',
'title',
'abc',
@ -472,7 +472,7 @@ describe('instructions', () => {
'id',
'container',
// test:title="abc"
AttributeMarker.NAMESPACE_URI,
AttributeMarker.NamespaceUri,
'http://www.example.com/2014/test',
'title',
'abc',
@ -492,19 +492,19 @@ describe('instructions', () => {
'container',
// NS1:title="abc"
AttributeMarker.NAMESPACE_URI,
AttributeMarker.NamespaceUri,
'http://www.example.com/2014/test',
'title',
'abc',
// NS1:whatever="wee"
AttributeMarker.NAMESPACE_URI,
AttributeMarker.NamespaceUri,
'http://www.example.com/2014/test',
'whatever',
'wee',
// NS2:shazbot="wocka wocka"
AttributeMarker.NAMESPACE_URI,
AttributeMarker.NamespaceUri,
'http://www.whatever.com/2016/blah',
'shazbot',
'wocka wocka',

6
packages/core/test/render3/node_selector_matcher_spec.ts
View File

@ -179,14 +179,14 @@ describe('css selector matching', () => {
});
it('should take optional binding attribute names into account', () => {
expect(isMatching('span', [AttributeMarker.SELECT_ONLY, 'directive'], [
expect(isMatching('span', [AttributeMarker.SelectOnly, 'directive'], [
'', 'directive', ''
])).toBeTruthy(`Selector '[directive]' should match <span [directive]="exp">`);
});
it('should not match optional binding attribute names if attribute selector has value',
() => {
expect(isMatching('span', [AttributeMarker.SELECT_ONLY, 'directive'], [
expect(isMatching('span', [AttributeMarker.SelectOnly, 'directive'], [
'', 'directive', 'value'
])).toBeFalsy(`Selector '[directive=value]' should not match <span [directive]="exp">`);
});
@ -194,7 +194,7 @@ describe('css selector matching', () => {
it('should not match optional binding attribute names if attribute selector has value and next name equals to value',
() => {
expect(isMatching(
'span', [AttributeMarker.SELECT_ONLY, 'directive', 'value'],
'span', [AttributeMarker.SelectOnly, 'directive', 'value'],
['', 'directive', 'value']))
.toBeFalsy(
`Selector '[directive=value]' should not match <span [directive]="exp" [value]="otherExp">`);

2
packages/core/test/render3/query_spec.ts
View File

@ -856,7 +856,7 @@ describe('query', () => {
}
}, null, []);
container(5, undefined, null, [AttributeMarker.SELECT_ONLY, 'vc']);
container(5, undefined, null, [AttributeMarker.SelectOnly, 'vc']);
}
if (rf & RenderFlags.Update) {