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CoffeeScriptでnpmモジュールを書く

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Posted at

CoffeeScriptでnpmモジュールを書いたりしたことなかった(し、これからも多分しない)ので、もし書くとしたらこんな感じかなーとやってみたら出来たのでメモメモ。

モジュールを作る

とりあえずpackage.jsonを書く。

package.json
{
  "name": "test",
  "version": "0.0.0",
  "private": true,
  "main": "./index.js",
  "scripts": {
    "postinstall": "coffee -bc index.coffee"
  },
  "dependencies": {
    "coffee-script": "1.7.1"
  }
}

scriptspostinstallがキモかなー。

スクリプトを書く

とりあえずindex.coffeeを書く。

index.coffee
module.exports = -> console.log 'Hello, World!'

インストールしてみる

ディレクトリが現在こんな感じ。

|-- coffee/
|   |-- index.coffee
|   |-- package.json
|-- js/

で、カレントディレクトリがjs/の状態から。

Terminal
$ npm i ../coffee
npm http GET https://registry.npmjs.org/coffee-script/1.7.1
npm http 200 https://registry.npmjs.org/coffee-script/1.7.1
npm http GET https://registry.npmjs.org/coffee-script/-/coffee-script-1.7.1.tgz
npm http 200 https://registry.npmjs.org/coffee-script/-/coffee-script-1.7.1.tgz
npm http GET https://registry.npmjs.org/mkdirp
npm http 304 https://registry.npmjs.org/mkdirp

> test@0.0.0 postinstall /Users/macbookpro/Work/js/node_modules/test
> coffee -bc index.coffee

test@0.0.0 node_modules/test
└── coffee-script@1.7.1 (mkdirp@0.3.5)
$ node
> require('test')()
Hello, World!
undefined
>

動いたぽい。

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