Load default data from the directories provided.

Turns out it's not that hard.

1 files changed, 55 insertions, 0 deletions

diff --git a/lib/utils/load-package-defaults.js b/lib/utils/load-package-defaults.js
new file mode 100644
index 000000000..935c1acc7
--- /dev/null
+++ b/lib/utils/load-package-defaults.js
@@ -0,0 +1,55 @@
+
+module.exports = loadPackageDefaults
+
+var path = require("path")
+  , log = require("./log")
+  , find = require("./find")
+  , asyncMap = require("./async-map")
+  , npm = require("../../npm")
+
+function loadPackageDefaults (pkg, cb) {
+  asyncMap([pkg], function (pkg, cb) {
+    readDefaultModules(pkg, cb)
+    readDefaultBins(pkg, cb)
+  }, 2, function (er) { cb(er, pkg) })
+}
+
+// shim ROOT/{name}-{version}/**/*.js to ROOT/.npm/{name}/{version}/{lib}/**/*.js
+function readDefaultModules(pkg, cb) {
+  log.verbose("linking default modules", pkg._id)
+  var lib = pkg.directories && pkg.directories.lib || pkg.lib
+    , pkgDir = path.join(npm.dir, pkg.name, pkg.version, "package")
+    , libDir = path.join(pkgDir, lib)
+  if (pkg.modules || !lib) return cb(null, pkg)
+  // create a modules hash from the lib folder.
+  pkg.modules = {}
+  find(libDir, /\.(js|node)$/, function (er, filenames) {
+    if (er) return cb(er)
+    filenames.forEach(function (filename) {
+      filename = filename.replace(/\.(js|node)$/, '')
+      pkg.modules[filename.substr(libDir.length + 1)] =
+        filename.substr(pkgDir.length + 1)
+    })
+    return cb(null, pkg)
+  })
+}
+function readDefaultBins (pkg, cb) {
+  var binDir = pkg.directories && pkg.directories.bin
+  log.silly(pkg, binDir)
+  if (pkg.bin || !binDir) return cb(null, pkg)
+  log.verbose("linking default bins", pkg._id)
+  var pkgDir = path.join(npm.dir, pkg.name, pkg.version, "package")
+  binDir = path.join(pkgDir, binDir)
+  pkg.bin = {}
+  find(binDir, function (er, filenames) {
+    log.silly(filenames, "default bins")
+    if (er) return cb(er)
+    filenames.forEach(function (filename) {
+      pkg.bin[filename.substr(binDir.length + 1)] =
+        filename.substr(pkgDir.length + 1)
+    })
+    log.silly(pkg.bin, pkg._id+".bin")
+    cb(null, pkg)
+  })
+}
+