Init project

.editorconfig

@@ -0,0 +1,12 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false

.gitignore

@@ -0,0 +1 @@
+node_modules

README.md

@@ -0,0 +1 @@
+# serverless-dotenv

circle.yml

@@ -0,0 +1,22 @@
+machine:
+  node:
+    version: 4.5.0
+
+dependencies:
+  pre:
+    - npm install -g yarn
+    - yarn global dot-json
+
+  override:
+    - yarn
+
+test: 
+  override:
+    - yarn test
+
+deployment:
+  production:
+    tag: /v[0-9]+(\.[0-9]+)*$/
+    commands:
+      - dot-json package.json version ${CIRCLE_TAG:1}
+      - yarn publish

package.json

@@ -0,0 +1,36 @@
+{
+  "name": "serverless-dotenv",
+  "description": "serverless plugin to fetch environment variables and write it to a .env file",
+  "main": "src/index.js",
+  "author": "Henrik Fricke <[email protected]>",
+  "license": "MIT",
+  "scripts": {
+    "test": "$(yarn bin)/jest test",
+    "lint": "$(yarn bin)/standard | $(yarn bin)/snazzy"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/Jimdo/serverless-dotenv.git"
+  },
+  "bugs": {
+    "url": "https://github.com/Jimdo/serverless-dotenv/issues"
+  },
+  "homepage": "https://github.com/Jimdo/serverless-dotenv",
+  "dependencies": {
+    "mkdirp": "^0.5.1"
+  },
+  "devDependencies": {
+    "jest": "^19.0.2",
+    "snazzy": "^6.0.0",
+    "standard": "^9.0.2"
+  },
+  "standard": {
+    "envs": [
+      "node",
+      "jest"
+    ],
+    "ignore": [
+      "node_modules/"
+    ]
+  }
+}

src/index.js

@@ -0,0 +1,75 @@
+'use strict'
+
+const fs = require('fs')
+const mkdirp = require('mkdirp')
+const util = require('util')
+
+class DotEnvPlugin {
+  constructor (serverless) {
+    this.serverless = serverless
+
+    this.commands = {
+      dotenv: {
+        usage: 'Create .env file with serverless environment variables',
+        lifecycleEvents: [
+          'init',
+          'collectGlobalEnvVariables',
+          'collectFunctionEnvVariables',
+          'appendOfflineVariables',
+          'writeDotEnvFile'
+        ]
+      }
+    }
+
+    this.hooks = {
+      'before:offline:start:init': () => this.serverless.pluginManager.run(['dotenv']),
+      'dotenv:init': this.init.bind(this),
+      'dotenv:collectGlobalEnvVariables': this.collectGlobalEnvVariables.bind(this),
+      'dotenv:collectFunctionEnvVariables': this.collectFunctionEnvVariables.bind(this),
+      'dotenv:appendOfflineVariables': this.appendOfflineVariables.bind(this),
+      'dotenv:writeDotEnvFile': this.writeDotEnvFile.bind(this)
+    }
+
+    this.environmentVariables = {}
+  }
+
+  init () {
+    this.serverless.cli.log('Creating .env file...')
+  }
+
+  collectGlobalEnvVariables () {
+    this._collectEnvVariables(this.serverless.service.provider.environment)
+  }
+
+  collectFunctionEnvVariables () {
+    const functions = this.serverless.service.functions
+
+    Object.keys(functions).forEach(func => this._collectEnvVariables(functions[func].environment))
+  }
+
+  appendOfflineVariables () {
+    this.environmentVariables['IS_OFFLINE'] = true
+    this.environmentVariables['API_ENDPOINT'] = 'http://localhost:3000'
+  }
+
+  writeDotEnvFile () {
+    mkdirp.sync('.serverless')
+
+    const path = util.format('%s/.serverless/.env', this.serverless.config.servicePath)
+    let dotEnvDocument = ''
+
+    Object.keys(this.environmentVariables).forEach(envVar => {
+      dotEnvDocument += util.format('%s=%s\r\n', envVar, this.environmentVariables[envVar])
+    })
+
+    fs.writeFileSync(path, dotEnvDocument)
+  }
+
+  _collectEnvVariables (environment) {
+    Object.keys(environment || {}).forEach(envVar => {
+      this.environmentVariables[envVar] = environment[envVar]
+    })
+  }
+}
+
+module.exports = DotEnvPlugin

test/index.spec.js

@@ -0,0 +1,7 @@
+'use strict'
+
+describe('Dotenv plugin', () => {
+  it('should be true', () => {
+    expect(true).toBeTruthy()
+  })
+})