Module Init

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 4
+
+[*.{md,json,yml,yaml}]
+trim_trailing_whitespace = false
+indent_style = space
+indent_size = 2

.eslintignore

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+node_modules/
+bower_components/
+
+dist/

.eslintrc.yml

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+extends: "standard"
+plugins:
+  - "standard"
+  - "promise"
+  - "node"
+rules:
+  indent:
+    - "warn"
+    - 4
+  semi:
+    - "warn"
+    - "always"
+  semi-style:
+    - "warn"
+    - "last"
+  semi-spacing:
+    - "error"
+    - before: false
+      after: true

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# Node Export Files
+/dist

.huskyrc.json

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+{
+  "hooks": {
+    "pre-commit": "lint-staged",
+    "pre-merge": "lint-staged"
+  }
+}

.lintstagedrc

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+{
+  "linters": {
+    "./**/*.ts": [
+      "prettier --write --tab-width 4",
+      "npm run lint:typescript -- --fix",
+      "git add"
+    ],
+    "./**/*.js": [
+      "prettier --write --tab-width 4",
+      "npm run lint:javascript -- --fix",
+      "git add"
+    ],
+    "./**/*.{json,yaml,yml}": ["prettier --write --tab-width 2", "git add"],
+    "./.lintstagedrc": [
+      "prettier --write --tab-width 2 --parser json",
+      "git add"
+    ]
+  },
+  "globOptions": {
+    "dot": true
+  }
+}

.travis.yml

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+language: node_js
+
+node_js:
+  - "node"
+  - "lts/*"
+  - "8"
+  - "6"
+
+before_script:
+  - "npm install nyc --global"
+
+script:
+  - "npm run build"
+  - "nyc npm test"
+
+after_success:
+  - "npm install coveralls@~3.0.0 --global"
+  - "nyc report --reporter=text-lcov | coveralls"
+
+before_deploy:
+  - "npm run clean"
+  - "npm run build -- -P ./tsconfig.prod.json"
+
+deploy:
+  skip_cleanup: true
+  provider: npm
+  email: "arylo.open+npm@gmail.com"
+  api_key: "${NPM_TOKEN}"
+  on:
+    branch: master
+    node_js: "node"

.vscode/settings.json

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+{
+  "eslint.alwaysShowStatus": true,
+  "eslint.autoFixOnSave": true,
+  "eslint.enable": true,
+  "tslint.alwaysShowStatus": true,
+  "tslint.autoFixOnSave": true,
+  "tslint.enable": true
+}

LICENSE

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+MIT License
+
+Copyright (c) 2018 Arylo Yeung
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# nodenv
+
+Operating on the NODE_ENV environmental variable
+
+[![node][NPM_URL]][NPM_HREF]
+[![Travis][TRAVIS_URL]][TRAVIS_HREF]
+[![Coveralls][COVERALLS_URL]][COVERALLS_HREF]
+[![Known Vulnerabilities][SNYK_URL]][SNYK_HREF]
+[![David][DAVID_URL]][DAVID_HREF]
+[![Author][AUTHOR_URL]][AUTHOR_HREF]
+[![license][LICENSE_URL]][LICENSE_HREF]
+
+[NPM_URL]: https://img.shields.io/node/v/nodenv.svg?style=flat-square&maxAge=600
+[NPM_HREF]: https://www.npmjs.com/package/nodenv
+[TRAVIS_URL]: https://img.shields.io/travis/Arylo/nodenv/master.svg?style=flat-square&logo=travis&maxAge=600
+[TRAVIS_HREF]: https://travis-ci.org/Arylo/nodenv
+[COVERALLS_URL]: https://img.shields.io/coveralls/github/Arylo/nodenv/master.svg?style=flat-square&maxAge=600
+[COVERALLS_HREF]: https://coveralls.io/github/Arylo/nodenv
+[SNYK_URL]: https://snyk.io/test/github/Arylo/nodenv/badge.svg?style=flat-square&maxAge=600
+[SNYK_HREF]: https://snyk.io/test/github/Arylo/nodenv
+[DAVID_URL]: https://img.shields.io/david/Arylo/nodenv.svg?style=flat-square&maxAge=600
+[DAVID_HREF]: https://github.com/Arylo/nodenv
+[AUTHOR_URL]: https://img.shields.io/badge/Author-AryloYeung-blue.svg?style=flat-square&maxAge=7200
+[AUTHOR_HREF]: https://github.com/arylo
+[LICENSE_URL]: https://img.shields.io/github/license/Arylo/npm-project-init.svg?style=flat-square&maxAge=7200
+[LICENSE_HREF]: https://opensource.org/licenses/MIT

jsconfig.json

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+{
+  "compilerOptions": {
+    "experimentalDecorators": true
+  }
+}

lib/index.ts

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+/**
+ * process.env.NODE_ENV 不存在时，初始化为`env`
+ * @param env {string} [env="development"]
+ */
+export const init = (env = "development") => {
+    if (!process.env.NODE_ENV) {
+        set(env);
+    }
+};
+
+/**
+ * 获取process.env.NODE_ENV
+ */
+export const get = () => {
+    return process.env.NODE_ENV;
+};
+
+/**
+ * 设置process.env.NODE_ENV 为`env`
+ * @param env {string} [env="development"]
+ */
+export const set = (env = "development") => {
+    process.env.NODE_ENV = env.trim().toUpperCase();
+};
+
+/**
+ * 是否本地环境
+ * @returns boolean
+ */
+export const isLocal = () => {
+    let env = process.env.NODE_ENV;
+    if (typeof env !== "string") {
+        return false;
+    }
+    env = env.trim().toUpperCase();
+    return ["local"].map((item) => item.trim().toUpperCase()).indexOf(env) !== -1;
+};
+
+/**
+ * 是否测试环境
+ * @returns boolean
+ */
+export const isTest = () => {
+    let env = process.env.NODE_ENV;
+    if (typeof env !== "string") {
+        return false;
+    }
+    env = env.trim().toUpperCase();
+    return ["test"].map((item) => item.trim().toUpperCase()).indexOf(env) !== -1;
+};
+
+/**
+ * 是否开发环境
+ * @returns boolean
+ */
+export const isDev = () => {
+    let env = process.env.NODE_ENV;
+    if (typeof env !== "string") {
+        return false;
+    }
+    env = env.trim().toUpperCase();
+    return (
+        ["dev", "develop", "development"]
+            .map((item) => item.trim().toUpperCase())
+            .indexOf(env) !== -1
+    );
+};
+
+/**
+ * 是否生产环境
+ * @returns boolean
+ */
+export const isProd = () => {
+    let env = process.env.NODE_ENV;
+    if (typeof env !== "string") {
+        return false;
+    }
+    env = env.trim().toUpperCase();
+    return (
+        ["prod", "production"]
+            .map((item) => item.trim().toUpperCase())
+            .indexOf(env) !== -1
+    );
+};
+
+/**
+ * 是否Gray 环境
+ * @returns boolean
+ */
+export const isExp = () => {
+    let env = process.env.NODE_ENV;
+    if (typeof env !== "string") {
+        return false;
+    }
+    env = env.trim().toUpperCase();
+    return (
+        ["exp", "experience"]
+            .map((item) => item.trim().toUpperCase())
+            .indexOf(env) !== -1
+    );
+};
+
+/**
+ * 是否Gray 环境
+ * @returns boolean
+ */
+export const isGray = () => {
+    let env = process.env.NODE_ENV;
+    if (typeof env !== "string") {
+        return false;
+    }
+    env = env.trim().toUpperCase();
+    return ["gray"].map((item) => item.trim().toUpperCase()).indexOf(env) !== -1;
+};