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perf(angular): proxy fast properties (#16888)

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* perf(angular): proxy fast properties

* update stencil
This commit is contained in:
Manu MA
2018-12-28 18:37:24 +01:00
committed by GitHub
parent 8b140306ef
commit ca9ec3e18a
6 changed files with 400 additions and 388 deletions
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33
angular/src/util/util.ts
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@ -1,20 +1,3 @@
import { ElementRef } from '@angular/core';
import { Subject } from 'rxjs';
export function inputs(instance: any, el: ElementRef, props: string[]) {
props.forEach(propName => {
Object.defineProperty(instance, propName, {
get: () => el.nativeElement[propName], set: (val: any) => el.nativeElement[propName] = val
});
});
}
export function proxyEvent<T>(emitter: Subject<T>, el: EventTarget, eventName: string) {
el.addEventListener(eventName, (ev: Event | undefined | null) => {
// ?? cordova might emit "null" events
emitter.next(ev != null ? (ev as any).detail as T : undefined);
});
}
export function proxyMethod(ctrlName: string, methodName: string, ...args: any[]) {
const controller = ensureElementInBody(ctrlName);
@ -30,19 +13,3 @@ export function ensureElementInBody(elementName: string) {
}
return element as HTMLStencilElement;
}
export function deepEqual(x: any, y: any) {
if (x === y) {
return true;
} else if (typeof x === 'object' && x != null && (typeof y === 'object' && y != null)) {
if (Object.keys(x).length !== Object.keys(y).length) { return false; }
for (const prop in x) {
if (y.hasOwnProperty(prop)) {
if (!deepEqual(x[prop], y[prop])) { return false; }
} else { return false; }
}
return true;
} else { return false; }
}