@angular/core
Version:
Angular - the core framework
47 lines (43 loc) • 1.22 kB
JavaScript
/**
* @license Angular v20.0.4
* (c) 2010-2025 Google LLC. https://angular.io/
* License: MIT
*/
/**
* Current injector value used by `inject`.
* - `undefined`: it is an error to call `inject`
* - `null`: `inject` can be called but there is no injector (limp-mode).
* - Injector instance: Use the injector for resolution.
*/
let _currentInjector = undefined;
function getCurrentInjector() {
return _currentInjector;
}
function setCurrentInjector(injector) {
const former = _currentInjector;
_currentInjector = injector;
return former;
}
/**
* Value returned if the key-value pair couldn't be found in the context
* hierarchy.
*/
const NOT_FOUND = Symbol('NotFound');
/**
* Error thrown when the key-value pair couldn't be found in the context
* hierarchy. Context can be attached below.
*/
class NotFoundError extends Error {
name = 'ɵNotFound';
constructor(message) {
super(message);
}
}
/**
* Type guard for checking if an unknown value is a NotFound.
*/
function isNotFound(e) {
return e === NOT_FOUND || e?.name === 'ɵNotFound';
}
export { NOT_FOUND, NotFoundError, getCurrentInjector, isNotFound, setCurrentInjector };
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