refValue

@tsed/di

Usage

import { refValue } from "@tsed/di";

See /packages/di/src/types/common/fn/refValue.ts.

Overview

function refValue<Type>(expression: string): {
    value: Type | undefined;
};
export function refValue<Type>(expression: string, defaultValue: Type | undefined): {
    value: Type;
};

Description

Get a value from the injector.settings.

Example

import {refValue, Injectable} from "@tsed/di";

@Injectable()
class Test {
  test = refValue("logger.level", "default value");

  constructor() {
    console.log(this.test.value); // "off"
  }
}

@param expression The expression to get the value from the `injector.settings`.

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## value


```ts
value: Type | undefined;

value

value: Type;