1 |
|
2 | <div style="text-align:center">
|
3 | <h1> entor </h1>
|
4 | <img src="https://i.gyazo.com/0bdbfe268d70a6fc916ef4faa2e6b68d.png">
|
5 | </div>
|
6 |
|
7 |
|
8 | [![entor package size](https://packagephobia.com/badge?p=entor)](https://packagephobia.com/result?p=entor)
|
9 |
|
10 |
|
11 | <br>
|
12 |
|
13 | **entor** loads environment variables from a JSON file into process.env.
|
14 |
|
15 |
|
16 | - 🚀 Easy JSON configuration
|
17 | - ⚪️ Zero dependencies
|
18 | - 💪 Flexibility
|
19 | - 🎎 Shared environment between all your projects
|
20 | - 🔨 Generates examples automatically
|
21 |
|
22 |
|
23 |
|
24 | <br>
|
25 |
|
26 |
|
27 |
|
28 |
|
29 | # Table of contents
|
30 |
|
31 |
|
32 |
|
33 |
|
34 | - [Table of contents](#table-of-contents)
|
35 | - [Example without any config](#example-without-any-config)
|
36 | - [Config](#config)
|
37 | - [Override precedence:](#override-precedence)
|
38 | - [Examples](#examples)
|
39 | - [Custom arguments](#custom-arguments)
|
40 | - [Override](#override)
|
41 | - [Shared env](#shared-env)
|
42 | - [<a name='table-of-contents'></a>Go to top](#go-to-top)
|
43 |
|
44 |
|
45 |
|
46 |
|
47 |
|
48 | <br>
|
49 |
|
50 |
|
51 |
|
52 | # Example without any config
|
53 |
|
54 | Run
|
55 | ```
|
56 | node ./index.js --env=prod
|
57 | ```
|
58 |
|
59 | entor.prod.json
|
60 | ```json
|
61 | {
|
62 | "db_url": "prod://url",
|
63 | "username": "prod"
|
64 | }
|
65 | ```
|
66 |
|
67 | index.js
|
68 | ```js
|
69 | require("entor")();
|
70 | ```
|
71 |
|
72 | ✅ Entor will load `entor.prod.json` into process.env.
|
73 | ```js
|
74 | // process.env
|
75 | {
|
76 | "db_url": "prod://url",
|
77 | "user": "prod"
|
78 | }
|
79 | ```
|
80 |
|
81 |
|
82 | <br>
|
83 |
|
84 |
|
85 |
|
86 | **❗ Note**
|
87 | Each value in `process.env` is converted to `string` by Node.
|
88 |
|
89 |
|
90 |
|
91 | <br>
|
92 |
|
93 |
|
94 |
|
95 | # Config
|
96 |
|
97 | ```js
|
98 | const env = require("entor")({config});
|
99 | // ↑ entor will always return env object
|
100 | ```
|
101 |
|
102 | <br>
|
103 |
|
104 | - **getEnv** `function`:
|
105 | - Function that receives as argument the object with process arguments (`--key=value` → `{key: value}`) that must return a string containing the `env`.
|
106 | - Default: `args => args.env`.
|
107 | <br>
|
108 |
|
109 | - **env** `string`: Defines the environment type. This will take precedence over `getEnv`.
|
110 | <br>
|
111 |
|
112 | - **path** `string`: Defines the path where will look for the file `entor.<env>.json`. Default `./`.
|
113 | <br>
|
114 |
|
115 | - **sharedEnvPath** `string`: Defines the file path where a `.json` will be loaded.
|
116 | <br>
|
117 |
|
118 | - **override** `object`: object that will be merged with the content of `entor.<env>.json`.
|
119 | <br>
|
120 |
|
121 | - **warningLevel** `"none" | "message" | "throw"`:
|
122 | - `"none"` will **ignore all** non-critical errors.
|
123 | - `"message"` will print all errors but will **never throws**.
|
124 | - `"throw"` will print all errors, **throws on critical errors**.
|
125 | <br>
|
126 |
|
127 | - **addToProcessEnv** `boolean`: Default `true`. If `true` adds the `entor.<env>.json` content to the `process.env` object.
|
128 | <br>
|
129 |
|
130 | - **syncExamples** `boolean`: Default `false`. If `true` syncs the `entor.<env>.json` file with the `entorExample.<env>.json` file.
|
131 |
|
132 |
|
133 |
|
134 | <br>
|
135 |
|
136 |
|
137 |
|
138 | # Override precedence:
|
139 |
|
140 | 1. `sharedEnvPath`
|
141 | 2. `env`
|
142 | 3. `override`
|
143 |
|
144 | `sharedEnvPath` will overwriteen by `env`.
|
145 | `env`will be overwritten by `override`.
|
146 |
|
147 |
|
148 |
|
149 | <br>
|
150 |
|
151 |
|
152 |
|
153 | # Examples
|
154 |
|
155 | ## Custom arguments
|
156 |
|
157 | Run
|
158 | ```
|
159 | node ./index.js --myCustomEnv=local
|
160 | ```
|
161 |
|
162 | index.js
|
163 | ```js
|
164 | require("entor")({
|
165 | getEnv: args => args.myCustomEnv,
|
166 | });
|
167 | ```
|
168 |
|
169 |
|
170 |
|
171 | ## Override
|
172 |
|
173 | Run
|
174 | ```
|
175 | node ./index.js --env=prod
|
176 | ```
|
177 |
|
178 | entor.prod.json
|
179 | ```json
|
180 | {
|
181 | "db_url": "prod://url",
|
182 | "username": "prod"
|
183 | }
|
184 | ```
|
185 |
|
186 | index.js
|
187 | ```js
|
188 | require("entor")({
|
189 | override: {
|
190 | db_url: "override://url"
|
191 | }
|
192 | });
|
193 | ```
|
194 |
|
195 | ✅ Entor will load `entor.prod.json` into process.env and apply the override.
|
196 |
|
197 | ```js
|
198 | // process.env
|
199 | {
|
200 | db_url: "override://url",
|
201 | username: "prod"
|
202 | }
|
203 | ```
|
204 |
|
205 |
|
206 |
|
207 | ## Shared env
|
208 |
|
209 | Run
|
210 | ```
|
211 | node ./index.js --env=prod
|
212 | ```
|
213 |
|
214 | entor.prod.json (located at the parent folder)
|
215 | ```json
|
216 | {
|
217 | "db_url": "shared://url",
|
218 | }
|
219 | ```
|
220 |
|
221 | entor.prod.json (located at project folder)
|
222 | ```json
|
223 | {
|
224 | "username": "prod"
|
225 | }
|
226 | ```
|
227 |
|
228 | index.js
|
229 | ```js
|
230 | require("entor")({
|
231 | sharedEnvPath: "C:/parentFolder/",
|
232 | });
|
233 | ```
|
234 |
|
235 | ✅ Entor will merge `entor.prod.json` (shared) with `prod.entor.json` (project) and write into process.env.
|
236 |
|
237 | ```js
|
238 | // process.env
|
239 | {
|
240 | db_url: "shared://url",
|
241 | username: "prod"
|
242 | }
|
243 | ```
|
244 |
|
245 |
|
246 |
|
247 | <br>
|
248 |
|
249 |
|
250 |
|
251 | # <a name='table-of-contents'></a>[Go to top](#table-of-contents)
|
252 |
|
253 |
|