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perf(ivy): chain listener instructions (#33720) (#34340)

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Chains multiple listener instructions on a particular element into a single call which results in less generated code. Also handles listeners on templates, host listeners and synthetic host listeners.

PR Close #33720

PR Close #34340
This commit is contained in:
crisbeto
2019-11-12 02:15:24 +09:00
committed by Andrew Kushnir
parent bbb9412a17
commit d3ec306d98
10 changed files with 293 additions and 52 deletions
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8
packages/core/src/render3/instructions/listener.ts
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@ -18,7 +18,7 @@ import {assertNodeOfPossibleTypes} from '../node_assert';
import {getLView, getPreviousOrParentTNode} from '../state';
import {getComponentLViewByIndex, getNativeByTNode, unwrapRNode} from '../util/view_utils';
import {getCleanup, handleError, loadComponentRenderer, markViewDirty} from './shared';
import {TsickleIssue1009, getCleanup, handleError, loadComponentRenderer, markViewDirty} from './shared';
@ -38,11 +38,12 @@ import {getCleanup, handleError, loadComponentRenderer, markViewDirty} from './s
*/
export function ɵɵlistener(
eventName: string, listenerFn: (e?: any) => any, useCapture = false,
eventTargetResolver?: GlobalTargetResolver): void {
eventTargetResolver?: GlobalTargetResolver): TsickleIssue1009 {
const lView = getLView();
const tNode = getPreviousOrParentTNode();
listenerInternal(
lView, lView[RENDERER], tNode, eventName, listenerFn, useCapture, eventTargetResolver);
return ɵɵlistener;
}
/**
@ -68,11 +69,12 @@ export function ɵɵlistener(
*/
export function ɵɵcomponentHostSyntheticListener(
eventName: string, listenerFn: (e?: any) => any, useCapture = false,
eventTargetResolver?: GlobalTargetResolver): void {
eventTargetResolver?: GlobalTargetResolver): TsickleIssue1009 {
const lView = getLView();
const tNode = getPreviousOrParentTNode();
const renderer = loadComponentRenderer(tNode, lView);
listenerInternal(lView, renderer, tNode, eventName, listenerFn, useCapture, eventTargetResolver);
return ɵɵcomponentHostSyntheticListener;
}
/**