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@adrianbrs/darmogen

Darmogen

Generate Dart models from TypeORM entities

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, |   / ,-| |   | | | | | | | |-' | |
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                           ,|  v1.0.0
                           `'

■ Source: "/home/adrian/Projetos/NestProject/src"
× Target: "/home/adrian/Projetos/DartProject/lib/modules/api"

┌ Found 13 files:
├ Parsing    |========================================| 100% | 7/7 parsed files | (User)
├ Generating |========================================| 100% | 7/7 generated files | (User)
│
│─────────────────────────────────────────────────────────────────────────────────────┐
│ Generated 7 models:                                                                 │
├─────────────────────────────────────────────────────────────────────────────────────┤
├ » Ban (../DartProject/lib/modules/api/ban/ban.model.dart)                           │
├ » Friendship (../DartProject/lib/modules/api/friendship/friendship.model.dart)      │
├ » GlobalRole (../DartProject/lib/modules/api/global-roles/global-role.model.dart)   │
├ » OAuthClient (../DartProject/lib/modules/api/oauth/oauth-client.model.dart)        │
├ » RevokedToken (../DartProject/lib/modules/api/oauth/revoked-token.model.dart)      │
├ » Role (../DartProject/lib/modules/api/roles/role.model.dart)                       │
├ » User (../DartProject/lib/modules/api/user/user.model.dart)                        │
└─────────────────────────────────────────────────────────────────────────────────────┘

Installation

yarn add -D @adrianbrs/darmogen
# or
npm install @adrianbrs/darmogen --save-dev

Usage

1. Create darmogen.js file in the project root with Darmogen options.
2. Execute yarn darmogen or npx darmogen to generate models on the output path.

Examples

Options file example

darmogen.js

const { kebab } = require("@adrianbrs/darmogen");

module.exports = {
  parser: {
    aliases: {
      src: "{cwd}",
    },
    cwd: "./src",
    root: "../",
    ext: ".entity.ts",
  },
  generator: {
    out: "/home/adrian/Projetos/DartProject/lib/modules/api",
    imports: ["model-base.dart"],
    formatters: {
      name: (name) => name,
      filename: (name) => kebab(name).toLowerCase() + ".model.dart",
    },
  },
};

Model output example

user.model.dart

import '../model-base.dart';
import '../global-roles/global-role.model.dart';
import '../roles/role.model.dart';
import '../friendship/friendship.model.dart';

class User extends Model {
  String name;
  String email;
  String username;
  String avatar;
  List<Role> roles;
  List<Friendship> sentFriendships;
  List<Friendship> receivedFriendships;
  dynamic status;
  GlobalRole globalRole;
  DateTime lastLoginDate;
  String id;
  DateTime createdAt;
  DateTime updatedAt;

  User(
      {String id,
      this.name,
      this.email,
      this.username,
      this.avatar,
      this.roles,
      this.sentFriendships,
      this.receivedFriendships,
      this.status,
      this.globalRole,
      this.lastLoginDate,
      this.createdAt,
      this.updatedAt})
      : super(id);

  @override
  Map<String, dynamic> toJson() => {
        'name': name,
        'email': email,
        'username': username,
        'avatar': avatar,
        'roles': roles?.map((role) => role.toJson())?.toList(),
        'sentFriendships':
            sentFriendships?.map((friendship) => friendship.toJson())?.toList(),
        'receivedFriendships': receivedFriendships
            ?.map((friendship) => friendship.toJson())
            ?.toList(),
        'status': status,
        'globalRole': globalRole?.toJson(),
        'lastLoginDate': lastLoginDate?.toIso8601String(),
        'id': id,
        'createdAt': createdAt?.toIso8601String(),
        'updatedAt': updatedAt?.toIso8601String(),
      };

  factory User.fromJson(Map<String, dynamic> json) {
    if (json == null) return null;
    return User(
        name: json['name'],
        email: json['email'],
        username: json['username'],
        avatar: json['avatar'],
        roles: (json['roles'] as List<dynamic>)
            ?.map((data) => Role.fromJson(data)),
        sentFriendships: (json['sentFriendships'] as List<dynamic>)
            ?.map((data) => Friendship.fromJson(data)),
        receivedFriendships: (json['receivedFriendships'] as List<dynamic>)
            ?.map((data) => Friendship.fromJson(data)),
        status: json['status'],
        globalRole: GlobalRole.fromJson(json['globalRole']),
        lastLoginDate: DateTime.tryParse(json['lastLoginDate'] ?? ''),
        id: json['id'],
        createdAt: DateTime.tryParse(json['createdAt'] ?? ''),
        updatedAt: DateTime.tryParse(json['updatedAt'] ?? ''));
  }
}

Model base example

model-base.dart

import 'dart:convert';

var jsonEncoder = JsonEncoder.withIndent('  ');

abstract class Model {
  String id;

  Model(this.id);

  Map<String, dynamic> toJson();

  String toString() {
    return "$runtimeType ${jsonEncoder.convert(this.toJson())}";
  }
}

Available options

Option	Type	Required	Description
parser.aliases	Object	yes	Aliases when resolving entity imports. {alias: "path", ...}
parser.cwd	string	yes	Folder to search for entities
parser.root	string	yes	Root project path, with node_modules
parser.ext	string	no	Entity file extension
generator.out	string	yes	Output Dart models folder
generator.imports	string[]	no	Manual Dart imports relative to output folder
generator.formatters	Object	no	Object with functions, which are given a string and must return a string, to format class and file names. {name: Function, filename: Function}

Links

• My GitHub
• Issues
• Send a Pull Request