deactivate.js

var mkdir = require("./utils/mkdir-p")
  , npm = require("../npm")
  , fs = require("fs")
  , log = require("./utils/log")
  , path = require("path")
  , rm = require("./utils/rm-rf")
  , chain = require("./utils/chain")
  , lifecycle = require("./utils/lifecycle")
  , readJson = require("./utils/read-json")

module.exports = deactivate

function deactivate (args, cb) {
  // run the "deactivate" lifecycle event
  // unlink the "active" folder
  // unlink the libs and main.js from the npm.root
  // run the "postdeactivate" lifecycle event
  var pkg = args.shift()
    , active = path.join(npm.dir, pkg, "active")
    , jsonFile = path.join(active, "/package/package.json")
    , activeMain = path.join(npm.root, pkg+".js")
    , activeLib = path.join(npm.root, pkg)
    , pkgData = null

  fs.readlink(active, function (er, p) {
    if (er) return log("nothing to do", "deactivate", cb)
    var version = p.split("/").pop()
    readJson(jsonFile, function (er, data) {
      if (er) return cb(er)
      data.version = version
      npm.set(data)
      chain
        ( [lifecycle, data, "predeactivate"]
        , [lifecycle, data, "deactivate"]
        , [rm, active]
        , function (cb) { rm(activeMain, function () { cb() }) }
        , function (cb) { rm(activeLib, function () { cb() }) }
        , function (cb) {
            if (!data.bin) return cb()
            chain(Object.getOwnPropertyNames(data.bin)
              .map(function (bin) {
                return [rm, path.join(npm.config.get("binroot"), bin)]
              }).concat(cb))
          }
        , [lifecycle, data, "postdeactivate"]
        , cb
        )
    })
  })
}