# read-installed Read all the installed packages in a folder, and return a tree structure with all the data. npm uses this. ## 2.0.0 Breaking changes in `2.0.0`: The second argument is now an `Object` that contains the following keys: * `depth` optional, defaults to Infinity * `log` optional log Function * `dev` optional, default false, set to true to include devDependencies ## Usage ```javascript var readInstalled = require("read-installed") // optional options var options = { dev: false, log: fn, depth: 2 } readInstalled(folder, options, function (er, data) { ... }) ```