[英]NestJS: How to use ConfigModule values in another module?
This is how my app.module.ts of my nestJS looks like:这就是我的NestJS的 app.module.ts 的样子:
@Module({
imports: [
ConfigModule.forRoot({ envFilePath: root + '.env' }),
GraphQLModule.forRoot<ApolloDriverConfig>({
driver: ApolloDriver,
cors: {
credentials: true,
origin: process.env.ORIGIN // <--
}
})
],
controllers: [AppController]
})
As the GraphQLModule parameter object gets a bit more complex, I would like to refactor it to a config function.由于 GraphQLModule 参数 object 变得有点复杂,我想将其重构为配置 function。
export default () => ({
driver: ApolloDriver,
cors: {
credentials: true,
origin: process.env.ORIGIN // <--
}
});
@Module({
imports: [
ConfigModule.forRoot({ envFilePath: root + '.env' }),
GraphQLModule.forRoot<ApolloDriverConfig>(graphQLConfig)
],
controllers: [AppController]
})
But how do I get access to the process.env variables which I imported within the ConfigModule envFilePath?但是如何访问我在 ConfigModule envFilePath 中导入的 process.env 变量?
You should use the asynchronous registration method: forRootAsync
.您应该使用异步注册方法: forRootAsync
。 Something like:就像是:
@Module({
imports: [
ConfigModule.forRoot({ envFilePath: root + '.env' }),
GraphQLModule.forRootAsync<ApolloDriverConfig>({
driver: ApolloDriver,
inject: [ConfigService],
useFactory: (config: ConfigService) => ({
cors: {
credentials: true,
origin: config.get('ORIGIN')
}
})
})
],
controllers: [AppController]
})
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