angular2
Version:
Angular 2 - a web framework for modern web apps
38 lines • 3.94 kB
JavaScript
;"use strict";
var lang_1 = require('angular2/src/facade/lang');
var exceptions_1 = require('angular2/src/facade/exceptions');
var _THROW_IF_NOT_FOUND = lang_1.CONST_EXPR(new Object());
exports.THROW_IF_NOT_FOUND = _THROW_IF_NOT_FOUND;
var Injector = (function () {
function Injector() {
}
/**
* Retrieves an instance from the injector based on the provided token.
* If not found:
* - Throws {@link NoProviderError} if no `notFoundValue` that is not equal to
* Injector.THROW_IF_NOT_FOUND is given
* - Returns the `notFoundValue` otherwise
*
* ### Example ([live demo](http://plnkr.co/edit/HeXSHg?p=preview))
*
* ```typescript
* var injector = ReflectiveInjector.resolveAndCreate([
* provide("validToken", {useValue: "Value"})
* ]);
* expect(injector.get("validToken")).toEqual("Value");
* expect(() => injector.get("invalidToken")).toThrowError();
* ```
*
* `Injector` returns itself when given `Injector` as a token.
*
* ```typescript
* var injector = ReflectiveInjector.resolveAndCreate([]);
* expect(injector.get(Injector)).toBe(injector);
* ```
*/
Injector.prototype.get = function (token, notFoundValue) { return exceptions_1.unimplemented(); };
Injector.THROW_IF_NOT_FOUND = _THROW_IF_NOT_FOUND;
return Injector;
}());
exports.Injector = Injector;
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