@angular/core
Version:
Angular - the core framework
91 lines • 8.91 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,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 { 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(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 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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