@nestjs/config

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Nest - modern, fast, powerful node.js web framework (@config)

27 lines (26 loc) • 956 B

JavaScript

import { ConfigModule } from '../index.js';
import { AS_PROVIDER_METHOD_KEY, PARTIAL_CONFIGURATION_KEY, PARTIAL_CONFIGURATION_PROPNAME, } from '../config.constants.js';
import { getConfigToken } from './get-config-token.util.js';
/**
 * @publicApi
 *
 * Registers the configuration object behind a specified token.
 */
export function registerAs(token, configFactory) {
    const defineProperty = (key, value) => {
        Object.defineProperty(configFactory, key, {
            configurable: false,
            enumerable: false,
            value,
            writable: false,
        });
    };
    defineProperty(PARTIAL_CONFIGURATION_KEY, token);
    defineProperty(PARTIAL_CONFIGURATION_PROPNAME, getConfigToken(token));
    defineProperty(AS_PROVIDER_METHOD_KEY, () => ({
        imports: [ConfigModule.forFeature(configFactory)],
        useFactory: (config) => config,
        inject: [getConfigToken(token)],
    }));
    return configFactory;
}