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nest js env validation

barisx answered on May 30, 2022 Popularity 5/10 Helpfulness 1/10

answer nest js env validation

nest js env validation

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import { plainToClass } from 'class-transformer';
import { IsEnum, IsNumber, validateSync } from 'class-validator';

enum Environment {
  Development = "development",
  Production = "production",
  Test = "test",
  Provision = "provision",
}

class EnvironmentVariables {
  @IsEnum(Environment)
  NODE_ENV: Environment;

  @IsNumber()
  PORT: number;
}

export function validate(config: Record<string, unknown>) {
  const validatedConfig = plainToClass(
    EnvironmentVariables,
    config,
    { enableImplicitConversion: true },
  );
  const errors = validateSync(validatedConfig, { skipMissingProperties: false });

  if (errors.length > 0) {
    throw new Error(errors.toString());
  }
  return validatedConfig;
}

Popularity 5/10 Helpfulness 1/10 Language typescript

Source: docs.nestjs.com

Tags: env nest typescript validation

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Contributed on May 30 2022

barisx

0 Answers Avg Quality 2/10

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