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Vladinho10/rest-resource-file-generator

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REST resource file generator

Table of contents

General info

🆕 You can use it also in front end side for creating file as in back end. Just follow the instructions.
As a backend developer all we know that every time when we want to add new API, new logic, new CRUD, we create some files and write into them some codes.
For example when we want to create a logic (let's call it resource) about user, we create a router.

    userRt.get('/v1/users', UserCtrl.getMany);
    userRt.post('/v1/users', UserCtrl.post);

a controller.

    async getMany(req, res) {
     // here should be your code, where it's called service or db model or smth else
    }
    async post(req, res) {
     // here should be your code, where it's called service or db model or smth else
    }

then we usually create a service, a model, tests, swagger schema and so on. Almost 6-7 files every time. So this package allows you to generate all this files at once just run a CLI command and make your life easy :)

About RESTful

Why did I decide to use rest resource name? Because I connect this log with RESTful resource. REST is architectural style for distributed hypermedia systems, one of the most famous styles. The key abstraction of information in REST is a resource. Any information that can be named can be a resource: a document or image, a temporal service, a collection of other resources, a non-virtual object (e.g. a person), and so on. REST uses a resource identifier to identify the particular resource involved in an interaction between components.
For more info, please see here here. That's why I chose REST resource.

Setup

Now I created a generator for Mongodb/Mongoose scheme/model. In the next version you'll be able to choose SQL/Sequelize else. Before setup please ensure that you use Node.js v12 version or above.

  • install package
  npm i -g rest-resource-file-generator
  • create a rest.js local config file in your project's root directory like default config file below\
'use strict';
module.exports = function (resourceName, bodies) {
    return {
        routers: {
            resourceName,
            body: bodies.routers,
            fileName: `routers/${resourceName}-rt.js`,
            params: {
                dir: '../controllers',
                basePath: 'v1',
                routerName: 'camelCaseNameRt',
                controllerName: 'pascalCaseNameCtrl',
                pathName: 'pluralizedName',
            },
        },
        controllers: {
            resourceName,
            body: bodies.controllers,
            fileName: `controllers/${resourceName}-ctrl.js`,
            params: {
                dir: '../services',
                controllerName: 'pascalCaseNameCtrl',
                serviceName: 'pascalCaseNameSrv',
            },
        },
        services: {
            resourceName,
            body: bodies.services,
            fileName: `services/${resourceName}-srv.js`,
            params: {
                modelName: 'pascalCaseName',
                dir: '../dal/models',
                serviceName: 'pascalCaseNameSrv',
            },
        },
        models: {
            resourceName,
            body: bodies.models,
            fileName: `dal/models/${resourceName}.js`,
            params: { // find in string by key name
                modelName: 'pascalCaseName',
                schemaName: 'camelCaseNameSchema',
            },
        },
        unitTests: {
            resourceName,
            body: bodies.unitTests,
            fileName: `tests/unit/${resourceName}-test.js`,
            params: {
                dir: '../controllers', // key and values must contain different words
                controllerName: 'pascalCaseNameCtrl',
                testName: 'pascalCaseName',
            },
        },
        swaggerPaths: {
            resourceName,
            body: bodies.swaggerPaths,
            fileName: `docs/swagger/paths/${resourceName}-path.json`,
            params: {
                basePath: 'v1',
                schemaName: 'camelCaseNameSchema',
                tagName: 'pascalCaseName',
                pathName: 'pluralizedName',
            },
        },
        swaggerSchemas: {
            fileName: `docs/swagger/schemas/${resourceName}-schema.json`,
        },
    };
};

If you don't create local config file, it'll be created from global configuration. It's allowed to make your variable resourceName to camelCase, PascalCase or pluralized.
E.g. resourceName is my-child, camelCase will be myChild, PascalCase MyChild, pluralized-myChildren.
Also, you can dynamically change creating filename and its body in your code as you need. For that you should create local resources bodies, as in example, or your files' body will be taken from global resource-bodies directory.
For using local bodies, please create a resource-bodies directory and export all you local resource bodies. Files in that must have these special names as in below image. The file names and restrc.js returning object's key name must be the same.

command-line

This is a bodyFiles example for routers. You can dynamically change your file's content as you want.

'use strict';
module.exports = `'use strict';
const routerName = require('express').Router();

const { controllerName } = require('dir');

routerName.get('/basePath/pathName/:_id', controllerName.getOne);
routerName.get('/basePath/pathName', controllerName.getMany);
routerName.post('/basePath/pathName', controllerName.post);
routerName.put('/basePath/pathName/:_id', controllerName.putOne);
routerName.delete('/basePath/pathName/:_id', controllerName.deleteOne);

module.exports = routerName;
`;

In this example we set dynamically dir, basePath, routerName, controllerName, pathName which will be replace in file's body with values you set here (restrc.js routers params)

{
     dir: '../controllers',
     basePath: 'v1',
     routerName: 'camelCaseNameRt',
     controllerName: 'pascalCaseNameCtrl',
     pathName: 'pluralizedName',
}

Usage

There is an only one command rest resource, but there are some flags what you need to know.

-N name. Its value is the resource name.
-LR local restrc.js file existence. If its value is yes, it says that the local restrc.js file exists. Otherwise, it uses global configs.
-F fields. It must be the last flag. Its values (and the rest values) are mongoose and swagger schemas configs.
Let's see on example.

command-line

or you can write just in one line using this syntax.

rest-resource -N user -F name--type:String-required:true-minLength:3 age--type:Number-min:13 email--type:String-unique:true

It will create all your files like this hierarchy.

created-files

If you wanted to generate a controller file, it will look like

controller

List of mongoose supported options

    'type',
    'required',
    'default',
    'index',
    'unique',
    'sparse',
    'lowercase',
    'uppercase',
    'trim',
    'minLength',
    'maxLength',
    'min',
    'max',
    'ref',

List of mongoose supported options (please be careful about the register).

    'String',
    'Number',
    'Date',
    'Buffer',
    'Boolean',
    'Map',
    'Schema.ObjectId', // since here to below you must take quotes, othervise it throws an error.
    'Schema.Types.Mixed',
    'Schema.Types.ObjectId',
    'Schema.Types.Decimal128',

These lists will be expanded in the future.

P.S. This module works perfectly with my node-server-template, here its link Node-server

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This is npm global package for generating file in your project

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