Oh, the pain

Team development workflows and pain mitigation with npm

@linclark

You're always dealing with a team...

even when you're “one” person

$ npm install

$ npm update
$ npm start
foo.bar;
^
ReferenceError: foo is not defined
    at Object.<anonymous> (/Users/your_user/Repos/foo/cli.js:10:1)
    at Module._compile (module.js:456:26)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Function.Module.runMain (module.js:497:10)
    at startup (node.js:119:16)
    at node.js:929:3

{
  "name": ...,
  "version": ...,
  "scripts": {
    "test": "mocha",
    "prepublish": "npm ls && npm test"
  }
}

{
  "name": "your-pkg",
  "version": ...,
  "dependencies": {
    "foo": "2.x"
  }
}

{
  "name": "their-pkg",
  "version": ...,
  "dependencies": {
    "foo": "1.x"
  }
}

// npm-shrinkwrap.json
{
  "name": "...",
  "version": "...",
  "dependencies": {
    "github": {
      "version": "0.2.3",
      "from": "github@*",
      "resolved": "https://registry.npmjs.org/github/-/github-0.2.3.tgz"
    },
    "js-yaml": {
      "version": "3.2.5",
      "from": "js-yaml@*",
      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.2.5.tgz",
      "dependencies": {
        "argparse": {
          "version": "0.1.16",

$ npm shrinkwrap
wrote npm-shrinkwrap.json

@linclark