Created
July 14, 2020 01:39
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| import { Configuration } from './configuration'; | |
| /** | |
| * Expose configuration values to the application | |
| */ | |
| export class ConfigurationManager { | |
| private static manager: ConfigurationManager; | |
| private appConfig!: Configuration; | |
| static getSingletonInstance(): ConfigurationManager { | |
| return ConfigurationManager.manager = new ConfigurationManager(); | |
| } | |
| get connectionString(): string { | |
| return `mssql://${this.appConfig.dbConfiguration.username}:${this.appConfig.dbConfiguration.password}@${this.appConfig.dbConfiguration.host}/${this.appConfig.dbConfiguration.database}`; | |
| } | |
| get connectionConfig(): any { | |
| return { | |
| server: this.appConfig.dbConfiguration.host, | |
| authentication: { | |
| type: 'default', | |
| options: { | |
| userName: this.appConfig.dbConfiguration.username, | |
| password: this.appConfig.dbConfiguration.password | |
| } | |
| }, | |
| options: { | |
| database: this.appConfig.dbConfiguration.database | |
| } | |
| }; | |
| } | |
| private constructor() { | |
| this.loadConfigFromEnvironmentVariables(); | |
| } | |
| private loadConfigFromEnvironmentVariables(): void { | |
| this.appConfig = { | |
| dbConfiguration: { | |
| database: process.env.DB_NAME, | |
| host: process.env.DB_HOST, | |
| password: process.env.DB_PWD, | |
| username: process.env.DB_USER | |
| } | |
| }; | |
| } | |
| } |
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