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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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6
packages/compiler-cli/test/compliance/r3_view_compiler_styling_spec.ts
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@ -277,8 +277,7 @@ describe('compiler compliance: styling', () => {
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵlistener("@myAnimation.start", function MyComponent_Template_div_animation_myAnimation_start_0_listener($event) { return ctx.onStart($event); });
$r3$.ɵɵlistener("@myAnimation.done", function MyComponent_Template_div_animation_myAnimation_done_0_listener($event) { return ctx.onDone($event); });
$r3$.ɵɵlistener("@myAnimation.start", function MyComponent_Template_div_animation_myAnimation_start_0_listener($event) { return ctx.onStart($event); })("@myAnimation.done", function MyComponent_Template_div_animation_myAnimation_done_0_listener($event) { return ctx.onDone($event); });
$r3$.ɵɵelementEnd();
} if (rf & 2) {
$r3$.ɵɵproperty("@myAnimation", ctx.exp);
@ -337,8 +336,7 @@ describe('compiler compliance: styling', () => {
hostBindings: function MyAnimDir_HostBindings(rf, ctx, elIndex) {
if (rf & 1) {
$r3$.ɵɵallocHostVars(1);
$r3$.ɵɵcomponentHostSyntheticListener("@myAnim.start", function MyAnimDir_animation_myAnim_start_HostBindingHandler($event) { return ctx.onStart(); });
$r3$.ɵɵcomponentHostSyntheticListener("@myAnim.done", function MyAnimDir_animation_myAnim_done_HostBindingHandler($event) { return ctx.onDone(); });
$r3$.ɵɵcomponentHostSyntheticListener("@myAnim.start", function MyAnimDir_animation_myAnim_start_HostBindingHandler($event) { return ctx.onStart(); })("@myAnim.done", function MyAnimDir_animation_myAnim_done_HostBindingHandler($event) { return ctx.onDone(); });
} if (rf & 2) {
$r3$.ɵɵupdateSyntheticHostBinding("@myAnim", ctx.myAnimState);
}