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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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10
packages/compiler-cli/test/ngtsc/ngtsc_spec.ts
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@ -2186,9 +2186,7 @@ runInEachFileSystem(os => {
const hostBindingsFn = `
hostBindings: function FooCmp_HostBindings(rf, ctx, elIndex) {
if (rf & 1) {
i0.ɵɵlistener("click", function FooCmp_click_HostBindingHandler($event) { return ctx.onClick(); });
i0.ɵɵlistener("click", function FooCmp_click_HostBindingHandler($event) { return ctx.onDocumentClick($event.target); }, false, i0.ɵɵresolveDocument);
i0.ɵɵlistener("scroll", function FooCmp_scroll_HostBindingHandler($event) { return ctx.onWindowScroll(); }, false, i0.ɵɵresolveWindow);
i0.ɵɵlistener("click", function FooCmp_click_HostBindingHandler($event) { return ctx.onClick(); })("click", function FooCmp_click_HostBindingHandler($event) { return ctx.onDocumentClick($event.target); }, false, i0.ɵɵresolveDocument)("scroll", function FooCmp_scroll_HostBindingHandler($event) { return ctx.onWindowScroll(); }, false, i0.ɵɵresolveWindow);
}
}
`;
@ -2281,9 +2279,7 @@ runInEachFileSystem(os => {
hostBindings: function FooCmp_HostBindings(rf, ctx, elIndex) {
if (rf & 1) {
i0.ɵɵallocHostVars(3);
i0.ɵɵlistener("click", function FooCmp_click_HostBindingHandler($event) { return ctx.onClick($event); });
i0.ɵɵlistener("click", function FooCmp_click_HostBindingHandler($event) { return ctx.onBodyClick($event); }, false, i0.ɵɵresolveBody);
i0.ɵɵlistener("change", function FooCmp_change_HostBindingHandler($event) { return ctx.onChange(ctx.arg1, ctx.arg2, ctx.arg3); });
i0.ɵɵlistener("click", function FooCmp_click_HostBindingHandler($event) { return ctx.onClick($event); })("click", function FooCmp_click_HostBindingHandler($event) { return ctx.onBodyClick($event); }, false, i0.ɵɵresolveBody)("change", function FooCmp_change_HostBindingHandler($event) { return ctx.onChange(ctx.arg1, ctx.arg2, ctx.arg3); });
}
if (rf & 2) {
i0.ɵɵhostProperty("prop", ctx.bar);
@ -3288,7 +3284,7 @@ runInEachFileSystem(os => {
env.write('test.ts', `
import {Component} from '@angular/core';
@Component({
template: '<div #ref="unknownTarget"></div>',
})