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April 24, 2020 21:16
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nut-ioc loading dependencies with new dependency loaders and filters
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const nutIoc = require('nut-ioc'); | |
const nutIocContainer = nutIoc(); | |
const mainAsync = async () => { | |
nutIocContainer.useDependency({ | |
IsInterceptor: true, | |
ServiceName: "errorInterceptor", | |
Namespace: "interceptors", | |
Service: ({ }) => | |
(environment, next) => { | |
let result; | |
try { | |
result = next(environment); | |
} catch (error) { | |
appLogger.error(`ERROR: ${`${environment.moduleName}.${environment.method.name}`} method`, error); | |
throw error; | |
} | |
return result; | |
} | |
}); | |
nutIocContainer.useDependency({ | |
IsInterceptor: true, | |
ServiceName: "logInterceptor", | |
Namespace: "interceptors", | |
Service: ({ }) => | |
(environment, next) => { | |
const { method, args } = environment; | |
console.log(`ENTRY: ${method.name}(${JSON.stringify(args[0])}) function`) | |
const startDate = new Date(); | |
const result = next(environment); | |
const elapsedMilliseconds = new Date() - startDate; | |
console.log(`SUCCESS: ${method.name} function returns //${result}: Elapsed milliseconds is ${elapsedMilliseconds}`); | |
return result; | |
} | |
}); | |
nutIocContainer.useDependency({ | |
ServiceName: "authorBasicInfo", | |
Service: ({ firstName: "Kenan", lastName: "Hancer" }) | |
}); | |
nutIocContainer.useDependency({ | |
ServiceName: "authorWithContacts", | |
Service: ({ authorBasicInfo }) => ({ ...authorBasicInfo, city: "London", mail: "[email protected]" }) | |
}); | |
nutIocContainer.useDependency({ | |
ServiceName: "greetingHelper", | |
Service: ({ }) => ({ | |
getFullName: ({ firstName, lastName }) => `${firstName} ${lastName}` | |
}), | |
Interceptor: ({ interceptors: { errorInterceptor, logInterceptor } }) => { | |
return [errorInterceptor, logInterceptor]; | |
} | |
}); | |
nutIocContainer.useDependency({ | |
ServiceName: "greetingService", | |
Service: ({ greetingHelper: { getFullName } }) => ({ | |
sayHello: ({ firstName, lastName }) => { | |
const fullName = getFullName({ firstName, lastName }); | |
return `Hello ${fullName}`; | |
}, | |
sayGoodbye: ({ firstName, lastName }) => { | |
const fullName = getFullName({ firstName, lastName }); | |
return `Goodbye, ${fullName}`; | |
} | |
}), | |
Interceptor: ({ interceptors: { errorInterceptor, logInterceptor } }) => { | |
return [errorInterceptor, logInterceptor]; | |
} | |
}); | |
nutIocContainer.useConfiguration({ | |
dependencyLoader: ({loaders}) => { | |
// console.log(loaders); | |
}, | |
dependencyFilter: ({filters}) => { | |
// delete filters['defaultModuleFilter']; | |
// console.log(filters); | |
} | |
}); | |
nutIocContainer.useDependencyLoader({ | |
name: 'test-dependency-loader', | |
loader: ({filePath, nameProvider}) => { | |
// console.log(); | |
} | |
}); | |
nutIocContainer.useDependencyLoader({ | |
name: 'test-dependency-loader-2', | |
loader: ({filePath, nameProvider}) => { | |
// console.log(); | |
} | |
}); | |
nutIocContainer.useDependencyFilter({ | |
name: 'test-dependency-filter', | |
filter: ({filePath, ignoredDependencies}) => { | |
// console.log(); | |
return true; | |
} | |
}); | |
nutIocContainer.useDependencyFilter({ | |
name: 'test-dependency-filter-2', | |
filter: ({filePath, ignoredDependencies}) => { | |
// console.log(); | |
return true; | |
} | |
}); | |
nutIocContainer.use({ dependencyPath: './swagger-definitions' }); | |
const { authorWithContacts, greetingService, swaggerDefinitions } = await nutIocContainer.build(); | |
const helloMsg = greetingService.sayHello(authorWithContacts); | |
console.log(helloMsg); | |
const goodBydMsg = greetingService.sayGoodbye(authorWithContacts); | |
console.log(goodBydMsg); | |
console.log(); | |
console.log('swaggerDefinitions:', swaggerDefinitions); | |
}; | |
mainAsync(); |
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