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perf(ivy): chain multiple attribute instructions (#31152)

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Similarly to what we did in #31078, these changes implement chaining for the `attribute` instruction.

This PR resolves FW-1390.

PR Close #31152
This commit is contained in:
crisbeto
2019-06-24 20:24:32 +02:00
committed by Kara Erickson
parent fcb03abc72
commit 23c017121e
6 changed files with 335 additions and 28 deletions
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8
packages/core/src/render3/instructions/attribute.ts
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@ -10,7 +10,7 @@ import {getLView, getSelectedIndex} from '../state';
import {NO_CHANGE} from '../tokens';
import {bind} from './property';
import {elementAttributeInternal} from './shared';
import {TsickleIssue1009, elementAttributeInternal} from './shared';
@ -28,12 +28,14 @@ import {elementAttributeInternal} from './shared';
* @codeGenApi
*/
export function ɵɵattribute(
name: string, value: any, sanitizer?: SanitizerFn | null, namespace?: string) {
name: string, value: any, sanitizer?: SanitizerFn | null,
namespace?: string): TsickleIssue1009 {
const index = getSelectedIndex();
const lView = getLView();
// TODO(FW-1340): Refactor to remove the use of other instructions here.
const bound = bind(lView, value);
if (bound !== NO_CHANGE) {
return elementAttributeInternal(index, name, bound, lView, sanitizer, namespace);
elementAttributeInternal(index, name, bound, lView, sanitizer, namespace);
}
return ɵɵattribute;
}