├── .gitignore ├── .npmignore ├── .prettierrc ├── CHANGELOG.md ├── LICENSE.md ├── README.md ├── img └── logo.jpg ├── lib ├── config.module.ts ├── config.service.ts ├── constants.ts └── index.ts ├── package-lock.json ├── package.json ├── tsconfig.json └── tslint.json /.gitignore: -------------------------------------------------------------------------------- 1 | /node_modules 2 | /dist -------------------------------------------------------------------------------- /.npmignore: -------------------------------------------------------------------------------- 1 | /tsconfig.json 2 | /node_modules 3 | /lib 4 | /img -------------------------------------------------------------------------------- /.prettierrc: -------------------------------------------------------------------------------- 1 | { 2 | "printWidth": 120, 3 | "singleQuote": true, 4 | "useTabs": true, 5 | "semi": true, 6 | "bracketSpacing": true, 7 | "trailingComma": "es5", 8 | "tabWidth": 4 9 | } 10 | -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | # ChangeLog 2 | 3 | ## 1.2.0 4 | 5 | - Added getWithType method to get value and convert it to specific type 6 | 7 | ## 1.1.0 8 | 9 | - Changes injection 10 | - Added reload method 11 | 12 | ## 1.0.0 13 | 14 | - First version 15 | -------------------------------------------------------------------------------- /LICENSE.md: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2018 Anton Larichev 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # NestJS .env config Module 2 | 3 | ![alt cover](https://github.com/AlariCode/nestjs-dotenv/raw/master/img/logo.jpg) 4 | 5 | **More NestJS libs on [alariblog.ru](https://alariblog.ru)** 6 | 7 | [![npm version](https://badgen.net/npm/v/nestjs-dotenv)](https://www.npmjs.com/package/nestjs-dotenv) 8 | [![npm version](https://badgen.net/npm/license/nestjs-dotenv)](https://www.npmjs.com/package/nestjs-dotenv) 9 | [![npm version](https://badgen.net/github/open-issues/AlariCode/nestjs-dotenv)](https://github.com/AlariCode/nestjs-dotenv/issues) 10 | [![npm version](https://badgen.net/github/prs/AlariCode/nestjs-dotenv)](https://github.com/AlariCode/nestjs-dotenv/pulls) 11 | 12 | NestJS .env package allows you easily use .env file to store your app configs. 13 | 14 | ```bash 15 | npm i nestjs-dotenv 16 | ``` 17 | 18 | Then register module in your root app.module 19 | 20 | ```javascript 21 | import { ConfigModule } from 'nestjs-dotenv'; 22 | 23 | @Module({ 24 | imports: [ 25 | // ... 26 | ConfigModule.forRoot(), 27 | ], 28 | }) 29 | export class AppModule {} 30 | ``` 31 | 32 | It will load `.env` file from your project root. If you need to change it's path just pass it to `forRoot` method like this: 33 | 34 | ```javascript 35 | ConfigModule.forRoot(myPath); 36 | ``` 37 | 38 | To use ConfigService in any service or controller just inject it with `@ConfigInjection` decorator in the constructor: 39 | 40 | ```javascript 41 | import { ConfigService } from 'nestjs-dotenv'; 42 | 43 | constructor( 44 | private readonly configService: ConfigService 45 | ) {} 46 | ``` 47 | 48 | ## Get env value 49 | 50 | To get a value from .env file just call `get()` method: 51 | 52 | ```javascript 53 | this.configService.get('JIRA_TOKEN'); 54 | ``` 55 | 56 | - JIRA_TOKEN - name of your key in `.env` file: 57 | 58 | ``` 59 | JIRA_TOKEN=0000000000000 60 | ``` 61 | 62 | Method returns `string`. 63 | 64 | ## Get env value and convert it to specific type 65 | 66 | Instead of `get()` method use `getWithType()`: 67 | 68 | ```javascript 69 | this.configService.getWithType('JIRA_TOKEN', 'string'); 70 | ``` 71 | `getWithType()` get 3 parameters: 72 | - name of your key in `.env` file. 73 | - type of your data in `.env` file. 74 | - (optional) Enum to convert data to, if your type is 'enum'. 75 | 76 | Available types: 77 | ```bash 78 | // 'number' 79 | VALUE=1 80 | 81 | // 'string' 82 | VALUE=mystring 83 | 84 | // 'boolean' 85 | VALUE=true 86 | 87 | // 'array' 88 | VALUE=[1,2,3] 89 | 90 | // 'object' 91 | VALUE={"key": "value"} 92 | 93 | /** 'enum' 94 | enum Color { 95 | White = 1 96 | Black = 2 97 | } **/ 98 | VALUE=White 99 | ``` 100 | 101 | ## Reloading file 102 | 103 | To reload env dynamically use `reload()` method: 104 | 105 | ```javascript 106 | this.configService.reload(); 107 | ``` 108 | -------------------------------------------------------------------------------- /img/logo.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AlariCode/nestjs-dotenv/148ca88ab8e32ada6a78d3ddf330dec5a48deefa/img/logo.jpg -------------------------------------------------------------------------------- /lib/config.module.ts: -------------------------------------------------------------------------------- 1 | import { Module, DynamicModule, Provider, Global } from '@nestjs/common'; 2 | import { ConfigService } from './config.service'; 3 | 4 | @Global() 5 | @Module({}) 6 | export class ConfigModule { 7 | static forRoot(path?: string): DynamicModule { 8 | const configServiceProvider: Provider = { 9 | provide: ConfigService, 10 | useFactory: () => new ConfigService(path), 11 | }; 12 | return { 13 | module: ConfigModule, 14 | providers: [configServiceProvider], 15 | exports: [configServiceProvider], 16 | }; 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /lib/config.service.ts: -------------------------------------------------------------------------------- 1 | import * as dotenv from 'dotenv'; 2 | import { configType, Enum, NO_ENUMOBJECT_ERROR, UNKNOWN_TYPE } from './constants'; 3 | 4 | export class ConfigService { 5 | private envConfig: { [prop: string]: string }; 6 | 7 | constructor(path?: string) { 8 | this.reload(path); 9 | } 10 | 11 | public get(key: string) { 12 | return this.envConfig[key]; 13 | } 14 | 15 | public getWithType(key: string, type: configType, enumObject?: Enum) { 16 | const value = this.envConfig[key]; 17 | switch (type) { 18 | case 'number': 19 | return Number(value); 20 | case 'string': 21 | return value; 22 | case 'boolean': 23 | return value.toLowerCase() === 'true'; 24 | case 'array': 25 | return value.substr(1).substr(-1).split(','); 26 | case 'enum': 27 | if (!enumObject) { 28 | throw new Error(NO_ENUMOBJECT_ERROR); 29 | } 30 | return enumObject[value]; 31 | case 'object': 32 | try { 33 | const obj = JSON.parse(value); 34 | return obj; 35 | } catch (error) { 36 | return error; 37 | } 38 | default: 39 | throw new Error(UNKNOWN_TYPE); 40 | } 41 | } 42 | 43 | public reload(path?: string) { 44 | this.envConfig = dotenv.config(path ? { path } : null).parsed; 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /lib/constants.ts: -------------------------------------------------------------------------------- 1 | export type configType = 'number' | 'string' | 'boolean' | 'array' | 'object' | 'enum'; 2 | export type Enum = Record & { [k: number]: string }; 3 | 4 | export const NO_ENUMOBJECT_ERROR = 'No enumObject provided for enum'; 5 | export const UNKNOWN_TYPE = 'Unknown type'; -------------------------------------------------------------------------------- /lib/index.ts: -------------------------------------------------------------------------------- 1 | export * from './config.module'; 2 | export * from './config.service'; 3 | export * from './constants'; -------------------------------------------------------------------------------- /package-lock.json: -------------------------------------------------------------------------------- 1 | { 2 | 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"https://github.com/AlariCode/nestjs-dotenv", 27 | "dependencies": { 28 | "dotenv": "^8.0.0" 29 | }, 30 | "devDependencies": { 31 | "ts-node": "^7.0.1", 32 | "tslint": "^5.8.0", 33 | "typescript": "^3.2.2", 34 | "@nestjs/common": "^6.0.5" 35 | }, 36 | "peerDependencies": { 37 | "@nestjs/common": "^6.5.3" 38 | } 39 | } 40 | -------------------------------------------------------------------------------- /tsconfig.json: -------------------------------------------------------------------------------- 1 | { 2 | "compilerOptions": { 3 | "module": "commonjs", 4 | "declaration": true, 5 | "noImplicitAny": false, 6 | "removeComments": true, 7 | "noLib": false, 8 | "emitDecoratorMetadata": true, 9 | "experimentalDecorators": true, 10 | "target": "es6", 11 | "sourceMap": false, 12 | "outDir": "./dist", 13 | "rootDir": "./lib", 14 | "skipLibCheck": true 15 | }, 16 | "include": ["lib/**/*"], 17 | "exclude": ["node_modules", "**/*.spec.ts"] 18 | } 19 | -------------------------------------------------------------------------------- /tslint.json: -------------------------------------------------------------------------------- 1 | { 2 | "rules": { 3 | "no-var-requires": true, 4 | "promise-function-async": true, 5 | "await-promise": true, 6 | "curly": true, 7 | "prefer-for-of": true, 8 | "forin": true, 9 | "no-console": [true, "log", "error"], 10 | "no-debugger": true, 11 | "no-duplicate-super": true, 12 | "no-duplicate-switch-case": true, 13 | "no-invalid-template-strings": true, 14 | "no-misused-new": true, 15 | "no-return-await": true, 16 | "no-shadowed-variable": true, 17 | "no-switch-case-fall-through": true, 18 | "no-tautology-expression": true, 19 | "no-unused-variable": true, 20 | "no-var-keyword": true, 21 | "static-this": true, 22 | "switch-default": true, 23 | "triple-equals": true, 24 | "no-duplicate-imports": true, 25 | "no-require-imports": true, 26 | "prefer-const": true, 27 | "arrow-return-shorthand": true, 28 | "class-name": true, 29 | "file-name-casing": [true, "kebab-case"], 30 | "interface-name": [true, "always-prefix"], 31 | "prefer-switch": [true, { "min-cases": 3 }], 32 | "switch-final-break": true, 33 | "import-spacing": true, 34 | "max-line-length": [true, 120], 35 | "no-trailing-whitespace": true, 36 | "quotemark": [true, "single"], 37 | "semicolon": [true, "always"], 38 | "trailing-comma": false, 39 | "indent": [true, "tabs", 4], 40 | "no-any": true, 41 | "linterOptions": { 42 | "exclude": ["./src/**/*.d.ts"] 43 | } 44 | } 45 | } 46 | --------------------------------------------------------------------------------