how to config custom process.env in node.js

how to config custom process.env in node.js

process.env

APP_ENV

NODE_ENV

https://nodejs.org/api/process.html#process_process_env

GITHUB_API_ACCESS_TOKEN

#!/usr/bin/env node

"use strict";

/**
 *
 * @author xgqfrms
 * @license MIT
 * @copyright xgqfrms
 * @created 2020-08-0
 * @modified
 *
 * @description
 * @difficulty Easy Medium Hard
 * @complexity O(n)
 * @augments
 * @example
 * @link https://www.cnblogs.com/xgqfrms/p/13500721.html#4658099
 * @solutions
 *
 */

const log = console.log;

log(`process.env =\n`, process.env)
log(`process.env.GITHUB_API_ACCESS_TOKEN =\n`, process.env.GITHUB_API_ACCESS_TOKEN)

// const access_token = process.env.GITHUB_API_ACCESS_TOKEN;

btoa(`process.env.GITHUB_API_ACCESS_TOKEN`)
// "cHJvY2Vzcy5lbnYuR0lUSFVCX0FQSV9BQ0NFU1NfVE9LRU4="

# bin cli
$ chmod +x ./env.js
# OR
$ chmod 777 ./env.js
$ export GITHUB_API_ACCESS_TOKEN=cHJvY2Vzcy5lbnYuR0lUSFVCX0FQSV9BQ0NFU1NfVE9LRU4= && ./env.js

# Linux / macOS, using export command
$ export GITHUB_API_ACCESS_TOKEN=cHJvY2Vzcy5lbnYuR0lUSFVCX0FQSV9BQ0NFU1NfVE9LRU4=

# Windows, using set command
$ set GITHUB_API_ACCESS_TOKEN=cHJvY2Vzcy5lbnYuR0lUSFVCX0FQSV9BQ0NFU1NfVE9LRU4=

临时环境变量

1. Linux / macOS

# 设置 NODE_ENV 环境变量
$ export NODE_ENV=production

# 清除 NODE_ENV 环境变量
$ export NODE_ENV=

1. Windows

# 设置 NODE_ENV 环境变量
$ set NODE_ENV=production

# 清除 NODE_ENV 环境变量
$ set NODE_ENV=

永久环境变量(️ 不推荐，不够灵活)

修改系统的配置文件 $PATH

1. vim
2. VS Code
3. GUI

# 当前用户
$ vim ~/.zshrc
# OR
$ vim ~/.bash_profile

# 在文件进行环境变量的设置或修改
# export NODE_ENV_PROD  = production
# export NODE_ENV_DEV = development

# 修改后,需要刷新
$ source ~/.zshrc
# OR
$ source ~/.bash_profile

Flutter & Dart

github-user-language-stats bug

# cli
$ npm i -g github-user-language-stats

# process.env.GITHUB_API_ACCESS_TOKEN
$ export GITHUB_API_ACCESS_TOKEN=<your token> && gh-lang-stat <github username>

# demo
$ export GITHUB_API_ACCESS_TOKEN=cHJvY2Vzcy5lbnYuR0lUSFVCX0FQSV9BQ0NFU1NfVE9LRU4= && gh-lang-stat xgqfrms

refs

https://www.cnblogs.com/xgqfrms/p/13500721.html#4658099

https://nodejs.org/api/process.html#process_process_env

https://github.com/kentcdodds/cross-env

https://www.cnblogs.com/sorex/p/6200940.html

https://segmentfault.com/a/1190000011683741

https://github.com/xgqfrms/2020-interview-notes/blob/master/test/env.js

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