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API > @angular/core

runInInjectionContext

Runs the given function in the context of the given Injector.

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      runInInjectionContext<ReturnT>(injector: Injector, fn: () => ReturnT): ReturnT
Parameters
injector Injector

the injector which will satisfy calls to inject while fn is executing
fn () => ReturnT

the closure to be run in the context of injector
Returns

ReturnT: the return value of the function, if any

Description

Within the function's stack frame, inject can be used to inject dependencies from the given Injector. Note that inject is only usable synchronously, and cannot be used in any asynchronous callbacks or after any await points.