[Solved] In a NestJS service, how do you typically inject Prisma Client to use it? — Ans: By injecting PrismaClient via constructor dependency injection | NestJS

NestJS - Database with Prisma

In a NestJS service, how do you typically inject Prisma Client to use it?

ABy creating a new PrismaClient instance inside each method

BBy importing PrismaClient directly in the controller

CBy calling PrismaClient as a global variable without import

DBy injecting PrismaClient via constructor dependency injection

Step-by-Step Solution

Solution:

Step 1: Understand NestJS dependency injection
NestJS encourages injecting services via constructors for reusability and testability.
Step 2: Match Prisma Client usage pattern
PrismaClient is injected via constructor to avoid multiple instances and manage lifecycle.
Final Answer:
By injecting PrismaClient via constructor dependency injection -> Option D
Quick Check:
Prisma injection = constructor DI [OK]

Quick Trick: Inject PrismaClient in constructor, not inside methods [OK]

Common Mistakes:

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In a NestJS service, how do you typically inject Prisma Client to use it?