# read-installed Read all the installed packages in a folder, and return a tree structure with all the data. npm uses this. ## 1.0.0 Breaking changes in `1.0.0`: The second argument is now an `Object` that contains the following keys: * `depth` optional, defaults to Infinity * `log` optional log Function * `dev` optional, dev=true to mark devDeps as extraneous ## Usage ```javascript var readInstalled = require("read-installed") readInstalled(folder, { depth, log, dev }, function (er, data) { ... }) ```