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refactor(ivy): minor improvements / cleanup in the DI code (#33794) 

PR Close #33794
This commit is contained in:
Pawel Kozlowski 2019-11-13 12:19:53 +01:00 committed by Alex Rickabaugh
parent f4cdd35b3c
commit 784fd26473
2 changed files with 9 additions and 9 deletions
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7
packages/core/src/render3/di.ts
View File

@ -326,10 +326,9 @@ export function injectAttributeImpl(tNode: TNode, attrNameToInject: string): str
* @returns the value from the injector, `null` when not found, or `notFoundValue` if provided
*/
export function getOrCreateInjectable<T>(
tNode: TElementNode | TContainerNode | TElementContainerNode | null, lView: LView,
token: Type<T>| InjectionToken<T>, flags: InjectFlags = InjectFlags.Default,
notFoundValue?: any): T|null {
if (tNode) {
tNode: TDirectiveHostNode | null, lView: LView, token: Type<T>| InjectionToken<T>,
flags: InjectFlags = InjectFlags.Default, notFoundValue?: any): T|null {
if (tNode !== null) {
const bloomHash = bloomHashBitOrFactory(token);
// If the ID stored here is a function, this is a special object like ElementRef or TemplateRef
// so just call the factory function to create it.

11
packages/core/src/render3/instructions/di.ts
View File

@ -9,7 +9,8 @@ import {InjectFlags, InjectionToken, resolveForwardRef} from '../../di';
import {ɵɵinject} from '../../di/injector_compatibility';
import {Type} from '../../interface/type';
import {getOrCreateInjectable, injectAttributeImpl} from '../di';
import {TContainerNode, TElementContainerNode, TElementNode} from '../interfaces/node';
import {TDirectiveHostNode, TNodeType} from '../interfaces/node';
import {assertNodeOfPossibleTypes} from '../node_assert';
import {getLView, getPreviousOrParentTNode} from '../state';
/**
@ -40,15 +41,15 @@ export function ɵɵdirectiveInject<T>(token: Type<T>| InjectionToken<T>): T;
export function ɵɵdirectiveInject<T>(token: Type<T>| InjectionToken<T>, flags: InjectFlags): T;
export function ɵɵdirectiveInject<T>(
token: Type<T>| InjectionToken<T>, flags = InjectFlags.Default): T|null {
token = resolveForwardRef(token);
const lView = getLView();
// Fall back to inject() if view hasn't been created. This situation can happen in tests
// if inject utilities are used before bootstrapping.
if (lView == null) return ɵɵinject(token, flags);
const tNode = getPreviousOrParentTNode();
ngDevMode && assertNodeOfPossibleTypes(
tNode, TNodeType.Container, TNodeType.Element, TNodeType.ElementContainer);
return getOrCreateInjectable<T>(
getPreviousOrParentTNode() as TElementNode | TContainerNode | TElementContainerNode, lView,
token, flags);
tNode as TDirectiveHostNode, lView, resolveForwardRef(token), flags);
}
/**