InjectionError

@tsed/di

Usage

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

See /packages/di/src/common/errors/InjectionError.ts.

Overview

class InjectionError extends Error {
    name: string;
    tokens: TokenProvider[];
    origin: any;
    constructor(token: TokenProvider, origin?: any);
    static throwInjectorError(token: any, currentDependency: any, error: any): void;
}

Description

Error thrown when dependency injection fails.

Provides detailed information about the failed injection including the dependency chain and the original error. Helps diagnose circular dependencies, missing providers, and configuration issues in the DI system.

Usage

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

try {
  injector.invoke(MyService);
} catch (error) {
  if (error instanceof InjectionError) {
    console.log("Dependency chain:", error.tokens);
    console.log("Original error:", error.origin);
  }
}

name

name: string;

tokens

tokens: TokenProvider[];

origin

origin: any;

static throwInjectorError

static throwInjectorError(token: any, currentDependency: any, error: any): void;