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教你开源一个优雅的npm包

教你开源一个优雅的npm包

作者: CatchZeng | 来源:发表于2018-04-17 20:55 被阅读70次

    一、注册npm账号

    前往https://www.npmjs.com注册一个账号。

    npmjs

    二、制作npm包

    1.建立一个仓库，这里以cat-jsutils为例
    cat-jsutils

    这里需要注意下名称，因为如果被占用，无法使用npm install直接安装。
    判断是否被占用，可使用npm search xxx来判断

    未占用

    cenghaihandeMacBook-Pro:cat-jsutils catchzeng$ npm search cat-jsutils
No matches found for "cat-jsutils"

    已占用

    cenghaihandeMacBook-Pro:cat-jsutils catchzeng$ npm search jsutils
NAME                      | DESCRIPTION          | AUTHOR          | DATE       | VERSION  | KEYWORDS
jsutils                   | Utilities for…       | =sethyuan       | 2016-04-25 | 0.6.1    | util js javascript node.js node nodejs utils u
fwsp-jsutils              | JavaScript Utils -…  | =emadum =cjus   | 2017-04-04 | 1.0.10   | flywheelsports javascript utils
@mreck/jsutils            | JavaScript…          | =mreck          | 2018-04-14 | 2.0.0    |
sbiger-jsutil             | Javascript common…   | =sbiger         | 2016-12-26 | 1.3.32   | javscript utilities ES6 ES5 js util
m-jsutils                 | js utils             | =limi58         | 2017-07-23 | 1.0.1    | utils
jsutilities               | Javascript common…   | =jcde           | 2016-07-08 | 1.0.6    |
jsutils2                  | "Various utility…    | =milesman34     | 2017-11-22 | 2.0.0    |
org.mineot.jsutil         | Javascript Util…     | =mineot         | 2018-01-26 | 0.0.5    | javascript js jsutil util i18next translation
h-jsutils                 | javascript utils     | =haven09        | 2018-01-11 | 1.0.0    | js javascript utils
jsutility                 | A collection of…     | =deepaksibar    | 2016-08-27 | 0.0.0    | css
jsutil                    | A utilities package… | =gm12306        | 2013-03-20 | 0.1.3    | util mixin extend
@ikyhdst/jsutils          | Utility files for…   | =ikyhdst        | 2018-01-17 | 0.0.1    |
rb-jsutils                |                      | =dhanna         | 2016-06-29 | 0.9.0    |
@moodxd/jsutil-openable   | JavaScript Utility…  | =moodxd         | 2017-03-08 | 1.0.3    |
@moodxd/jsutil-stickable  | JavaScript Utility…  | =moodxd         | 2017-03-08 | 1.0.3    |
    2.Clone仓库到本地 & cd到cat-jsutils，执行npm init
    cenghaihandeMacBook-Pro:Github catchzeng$ cd cat-jsutils/
cenghaihandeMacBook-Pro:cat-jsutils catchzeng$ npm init
This utility will walk you through creating a package.json file.
It only covers the most common items, and tries to guess sensible defaults.

See `npm help json` for definitive documentation on these fields
and exactly what they do.

Use `npm install <pkg>` afterwards to install a package and
save it as a dependency in the package.json file.

Press ^C at any time to quit.
package name: (cat-jsutils)
version: (1.0.0)
description: js utils
entry point: (index.js)
test command:
git repository: (https://github.com/CatchZeng/cat-jsutils)
keywords: util utils js javascript node utility utilities
author: CatchZeng
license: (ISC) MIT
About to write to /Users/catchzeng/Documents/Code/Github/cat-jsutils/package.json:

{
  "name": "cat-jsutils",
  "version": "1.0.0",
  "description": "js utils",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/CatchZeng/cat-jsutils.git"
  },
  "keywords": [
    "util",
    "utils",
    "js",
    "javascript",
    "node",
    "utility",
    "utilities"
  ],
  "author": "CatchZeng",
  "license": "MIT",
  "bugs": {
    "url": "https://github.com/CatchZeng/cat-jsutils/issues"
  },
  "homepage": "https://github.com/CatchZeng/cat-jsutils#readme"
}
    3.新建index.js【根据上一步的entry point: (index.js)指定】，组织代码结构，这里以cat-jsutils为例
    屏幕快照 2018-04-17 下午6.13.24.png 
    //number.js

function isNum(value) {
    return (typeof value === 'number') && !isNaN(parseFloat(value)) && isFinite(value); 
}

module.exports = {
    isNum,
}

    //string.js

function isString(value) {
    return typeof value === 'string' || value instanceof String;
}
...
...
module.exports = {
    isString,
    contains,
    containsAny,
    containsAll,
};

    //index.js
var utils = {};

utils.string = require('./src/string');
utils.number = require('./src/number');

module.exports = utils;
    4.在package.json中指定版本号，并提交代码到github上
    {
  "name": "cat-jsutils",
  "version": "1.0.1",
  "description": "js utils",
  "main": "index.js",
  ...
}

    三、发布npm包

    到项目跟目录下，执行publish命令

    cenghaihandeMacBook-Pro:cat-jsutils catchzeng$ npm publish
+ cat-jsutils@1.0.1
cenghaihandeMacBook-Pro:cat-jsutils catchzeng$

    发布成功后就可以在https://www.npmjs.com上看到自己的项目

    四、更新版本

    更新package.json中的版本号，并提交代码到github上，重新publish npm包即可

    {
  "name": "cat-jsutils",
  "version": "1.0.2",
  "description": "js utils",
  "main": "index.js",
  ...
}

    cenghaihandeMacBook-Pro:cat-jsutils catchzeng$ npm publish
+ cat-jsutils@1.0.2
cenghaihandeMacBook-Pro:cat-jsutils catchzeng$

    五、变优雅

    何为优雅，先看下express这个仓库比我们自己的仓库优雅在哪里

    express

    1.Logo

    这么吗，我不是设计师，有美感的朋友自己设计一个吧，这里我随便做一个了。

    logo

    2.npm version badge

    npm

    增加这个其实只要在README中增加

    [![NPM version](https://img.shields.io/npm/v/仓库名.svg)](https://www.npmjs.com/package/仓库名)

    以cat-jsutils为例子

    [![NPM version](https://img.shields.io/npm/v/cat-jsutils.svg)](https://www.npmjs.com/package/cat-jsutils)

    3.CI状态

    关于持续集成理论部分，可以看之前的文章持续集成 -- 理论篇。一般开源项目会选用travis-ci。

    CI

    使用github账号登录travis-ci，然后打开需要持续集成的项目


    travis-ci

    在项目中增加.travis.yml文件，用于配置持续集成的构建步骤。这里以cat-jsutils为例，里面只执行了单元测试

    language: node_js
node_js:
- stable
script: npm run test

    说明：cat-jsutils的测试使用的是mocha+chai+istanbul，详见package.json

    {
  "name": "cat-jsutils",
  "version": "1.0.1",
  "description": "js utils",
  "main": "index.js",
  "scripts": {
    "test": "mocha",
    "coverage": "istanbul cover _mocha -- -R spec --timeout 5000 --recursive",
    "coverage:check": "istanbul check-coverage"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/CatchZeng/cat-jsutils.git"
  },
  "keywords": [
    "util",
    "utils",
    "js",
    "javascript",
    "node",
    "utility",
    "utilities"
  ],
  "author": "CatchZeng",
  "license": "MIT",
  "bugs": {
    "url": "https://github.com/CatchZeng/cat-jsutils/issues"
  },
  "homepage": "https://github.com/CatchZeng/cat-jsutils#readme",
  "devDependencies": {
    "chai": "^4.1.2",
    "istanbul": "^0.4.5",
    "mocha": "^5.1.0"
  }
}

    提交.travis.yml后变会触发构建，可以到travis-ci查看构建过程。

    travis-ci 屏幕快照 2018-04-17 下午8.12.34.png

    点击构建成功的图标就会弹出地址


    屏幕快照 2018-04-17 下午8.15.35.png

    将该地址放到README上即可。以cat-jsutils为例子

    [![travis ci](https://api.travis-ci.org/CatchZeng/cat-jsutils.svg?branch=master)](https://travis-ci.org/CatchZeng/cat-jsutils)

    4.测试覆盖率

    显示测试覆盖率，我们需要借助coveralls。
    同样的使用github账户登录coveralls，然后开启对应的项目

    coveralls

    点击details，查看repo_token并复制，后面会使用到。


    屏幕快照 2018-04-17 下午8.23.38.png

    安装coveralls

    npm i coveralls -D

    安装travis

    gem install travis

    执行encrypt，COVERALLS_TOKEN就是刚才复制的repo_token

    travis encrypt COVERALLS_TOKEN=JGOXXXXXXXXXXXXXqKVJ --add

    执行之后会发现.travis.yml下多出env，这个环境变量能帮助我们将测试覆盖率安全上传到coveralls

    env:
  global:
  - secure: nHaHZZDNmW3Fx3YPvBEc2E0a0kjsVhKUssi4GpWYcFDiJe6ufHAVjukHnV4RQOlSgRgp1q+5v9KJFeQbkcR9vSNQhtkjzHW//AbNGIOCZFyvmb3j/FH1hFxGqK129IC9tDHn1JeRSr5qSKK+TFTwINWQHCGAdA32PY+swuNT30UGrhBHtw3UaN8Hgu9xRH8g8UpqAMcGyX0rCnYCzPD2gYBEOo3zqEQvNvttu2YeSxvBXpU8doJuZLu7yvrRhvD3DGg3r/BWX7UDZtX16gZCdw3N9EnMWqgdaos7blE3eSKeHj89OHhiXeRSqHN7RKyUAp9dDmW1M63onsNvEpoho4ULCVTiVvX+Y25c+gZML3boeBlm3KOdwYKOCKhQLj/DIY5ojQd33jFBdBoouWW5ZG2cpfg8iq/Jyg2OoJFvJRjG04/T85a+l89wMnZKMDDl8zRgsnDhZho69EQmTz9WeBCvL2Bg87+n2Mg909InEw1D1PskGPkyD02zR7newOU+gJM2zK3pUYxt6O4EHUukoYL9XS14ogYIsrYFWqls0BHnTQXWKf+DQckL+H4+nZxdEPF6fEaebI8jgH9pgQiCHqMAKaQNsLApZRQ58DXLv78nZ/Sd/e/WmEgPfXZcrhTiLC8/yistVy3N5EKYHCjg6sB5RMO4BRNAsq0rnR3v1rA=

    加入cover脚本

    "cover": "istanbul cover --report lcov node_modules/mocha/bin/_mocha -- -R spec test/*.js"

    看下最后的.travis.yml文件和 package.json

    language: node_js
node_js:
- stable
script: npm run test
after_script: npm run cover && cat coverage/lcov.info | node_modules/coveralls/bin/coveralls.js
env:
  global:
  - secure: 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

    {
  "name": "cat-jsutils",
  "version": "1.0.1",
  "description": "js utils",
  "main": "index.js",
  "scripts": {
    "test": "mocha",
    "coverage": "istanbul cover _mocha -- -R spec --timeout 5000 --recursive",
    "coverage:check": "istanbul check-coverage",
    "cover": "istanbul cover --report lcov node_modules/mocha/bin/_mocha -- -R spec test/*.js"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/CatchZeng/cat-jsutils.git"
  },
  "keywords": [
    "util",
    "utils",
    "js",
    "javascript",
    "node",
    "utility",
    "utilities"
  ],
  "author": "CatchZeng",
  "license": "MIT",
  "bugs": {
    "url": "https://github.com/CatchZeng/cat-jsutils/issues"
  },
  "homepage": "https://github.com/CatchZeng/cat-jsutils#readme",
  "devDependencies": {
    "chai": "^4.1.2",
    "coveralls": "^3.0.0",
    "istanbul": "^0.4.5",
    "mocha": "^5.1.0"
  }
}

    5.小结

    至此，我们完成了提交代码-》travis-》mocha单元测试-》istanbul覆盖率-》coveralls-》github显示npm版本、ci、覆盖率状态。

    6.README

    完善的README会让开源变得更加优雅。
    加入Installation、Usgae、API等描述能帮助使用者更会上手，详细请参考README.md。

    六、总结

    本文从npm包的制作、发布到优化，讲述了如何较好地开源npm包，当然还有需要不足。欢迎感兴趣的朋友一起讨论、优化。
    最后附上测试项目地址： http://github.com/CatchZeng/cat-jsutils

    相关文章

      网友评论

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        CatchZeng:@_imp_ 客气，一起学习
        _imp_:@CatchZeng 谢谢，大兄弟
        CatchZeng:已发

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