@angular/core
Version:
Angular - the core framework
93 lines • 9.3 kB
JavaScript
/**
* @fileoverview added by tsickle
* Generated from: packages/core/src/di/util.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { ReflectionCapabilities } from '../reflection/reflection_capabilities';
import { getClosureSafeProperty } from '../util/property';
import { resolveForwardRef } from './forward_ref';
import { injectArgs, ɵɵinject } from './injector_compatibility';
const ɵ0 = getClosureSafeProperty;
/** @type {?} */
const USE_VALUE = getClosureSafeProperty({ provide: String, useValue: ɵ0 });
/** @type {?} */
const EMPTY_ARRAY = [];
/**
* @param {?} type
* @param {?=} provider
* @return {?}
*/
export function convertInjectableProviderToFactory(type, provider) {
if (!provider) {
/** @type {?} */
const reflectionCapabilities = new ReflectionCapabilities();
/** @type {?} */
const deps = reflectionCapabilities.parameters(type);
// TODO - convert to flags.
return (/**
* @return {?}
*/
() => new type(...injectArgs((/** @type {?} */ (deps)))));
}
if (USE_VALUE in provider) {
/** @type {?} */
const valueProvider = ((/** @type {?} */ (provider)));
return (/**
* @return {?}
*/
() => valueProvider.useValue);
}
else if (((/** @type {?} */ (provider))).useExisting) {
/** @type {?} */
const existingProvider = ((/** @type {?} */ (provider)));
return (/**
* @return {?}
*/
() => ɵɵinject(resolveForwardRef(existingProvider.useExisting)));
}
else if (((/** @type {?} */ (provider))).useFactory) {
/** @type {?} */
const factoryProvider = ((/** @type {?} */ (provider)));
return (/**
* @return {?}
*/
() => factoryProvider.useFactory(...injectArgs(factoryProvider.deps || EMPTY_ARRAY)));
}
else if (((/** @type {?} */ (provider))).useClass) {
/** @type {?} */
const classProvider = ((/** @type {?} */ (provider)));
/** @type {?} */
let deps = ((/** @type {?} */ (provider))).deps;
if (!deps) {
/** @type {?} */
const reflectionCapabilities = new ReflectionCapabilities();
deps = reflectionCapabilities.parameters(type);
}
return (/**
* @return {?}
*/
() => new (resolveForwardRef(classProvider.useClass))(...injectArgs(deps)));
}
else {
/** @type {?} */
let deps = ((/** @type {?} */ (provider))).deps;
if (!deps) {
/** @type {?} */
const reflectionCapabilities = new ReflectionCapabilities();
deps = reflectionCapabilities.parameters(type);
}
return (/**
* @return {?}
*/
() => new type(...injectArgs((/** @type {?} */ (deps)))));
}
}
export { ɵ0 };
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