v1.0.0

.gitignore

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+# package directories
+node_modules

README.md

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+# serverless-stage-manager
+Super simple [serverless](http://www.serverless.com) plugin for validating stage names before deployment.
+
+[![serverless](http://public.serverless.com/badges/v3.svg)](http://www.serverless.com)
+[![npm](https://img.shields.io/npm/v/serverless-stage-manager.svg)](https://www.npmjs.com/package/serverless-stage-manager)
+[![npm](https://img.shields.io/npm/l/serverless-stage-manager.svg)](https://www.npmjs.com/package/serverless-stage-manager)
+
+## Installation & Configuration
+
+Install the module using npm:
+```
+npm install serverless-stage-manager --save
+```
+
+Add `serverless-stage-manager` to the plugin list of your `serverless.yml` file:
+
+```yaml
+plugins:
+  - serverless-stage-manager
+```
+
+Add a `stages` value in the `custom` section of your `serverless.yml` file and specify an array of valid stage names.
+
+```yaml
+custom:
+  stages:
+    - dev
+    - staging
+    - prod
+```
+
+## Usage
+
+When running `serverless deploy` or `serverless deploy function`, it will check to make sure it is a valid stage name before continuing. For example:
+
+```bash
+# These will work
+serverless deploy -s prod
+serverless deploy functon -f funcName -s dev
+
+# These will fail
+serverless deploy -s foo
+serverless deploy functon -f funcName -s bar
+```

index.js

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+'use strict';
+
+class ServerlessPlugin {
+  constructor(serverless, options) {
+    this.serverless = serverless;
+    this.options = options;
+    this.stage = this.options.stage ? this.options.stage : this.serverless.service.provider.stage
+
+    this.hooks = {
+      'before:package:initialize': this.checkStage.bind(this),
+      'before:deploy:function:initialize': this.checkStage.bind(this)
+    };
+
+  }
+
+  checkStage() {
+    if (!this.serverless.service.custom.stages || !Array.isArray(this.serverless.service.custom.stages)) {
+      throw new Error(`A "stages" array must be defined in your serverless.yml's "custom" section.`)
+    } else {
+      if (this.serverless.service.custom.stages.indexOf(this.stage) === -1) {
+        throw new Error(`'${this.stage}' is not a valid deployment stage. Add it to your serverless.yml's "custom.stages" section.`)
+      }
+    }
+  }
+
+
+}
+
+module.exports = ServerlessPlugin;

package.json

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+{
+  "name": "serverless-stage-manager",
+  "version": "1.0.0",
+  "description": "Super simple serverless for validating stage names before deployment",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/jeremydaly/serverless-stage-manager.git"
+  },
+  "keywords": [
+    "serverless",
+    "serverless-plugin",
+    "aws",
+    "nodejs",
+    "deployment"
+  ],
+  "author": "Jeremy Daly <jeremy@jeremydaly.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/jeremydaly/serverless-stage-manager/issues"
+  },
+  "homepage": "https://github.com/jeremydaly/serverless-stage-manager#readme"
+}