virtual-node-env

Programmatic virtual environment that makes to run node ^v4.0x app on node v0.10x server.

The primary use case is AWS Lambda.

Usage

var vne = require("virtual-node-env");
var node = vne.node;
var npm = vne.npm;

node("-v").then(print); // -> v4.4.2

npm("-v").then(print); // -> 2.15.0

function print(o){
  console.log(o.stdout);
}

Installation

npm install virtual-node-env --save

Operating Systems

• Linux
• Mac OSX

Requirements

• wget
• tar

Switching Versions

You can switch the node version with

var vne = require("virtual-node-env");
vne.version = "v5.10.0";

Fetch Node.js Binary

vne.version = "v5.10.0";
vne.fetch(); // Will be started to fetch node.js v5.10.0 from https://nodejs.org

Apis

Properties

• vne.version: {String} Node.js version string. Default is v4.4.2
• vne.downloadBaseURL: {String} BaseUrl for downloading target. Default is https://nodejs.org/dist

Methods

vne.node

Execute node command with the specific options

• parameters

  • cmd: The path that executable .js file or commnad options
  • opts
    • NODE_ROOT: The root directory for node
    • workingDir: The working directory that will be executed node command. default is process.cwd()

• returns: Promise object

vne.npm

Execute npm command with the specific options

• parameters

  • cmd: The path that executable
  • opts
    • NODE_ROOT: The root directory for node
    • workingDir: The working directory that will be executed npm command. default is process.cwd()

• returns: Promise object

vne.fetch

Fetch specific Node.js from https://nodejs.org

• parameters

  • dir: The directory that want to put the downloaded Node.js

• returns: Promise object

License

(The MIT License)

Copyright (c) 2016 Yuki Takei(Noppoman) [email protected]

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 marthis 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.