Add fs.makeTree

spec/stdlib/fs-spec.coffee

@@ -54,6 +54,14 @@ describe "fs", ->
     it "returns an empty string for paths without an extension", ->
       expect(fs.extension("a/b.not-extension/a-dir")).toBe ''
 
+  describe "makeTree(path)", ->
+    beforeEach ->
+      fs.remove("/tmp/a") if fs.exists("/tmp/a")
+
+    it "creates all directories in path including any missing parent directories", ->
+      fs.makeTree("/tmp/a/b/c")
+      expect(fs.exists("/tmp/a/b/c")).toBeTruthy()
+
   describe ".traverseTree(path, fn)", ->
     fixturesDir = null
 

src/stdlib/fs.coffee

@@ -93,6 +93,14 @@ module.exports =
   makeDirectory: (path) ->
     $native.makeDirectory(path)
 
+  # Creates the directory specified by "path" including any missing parent
+  # directories.
+  makeTree: (path) ->
+    return unless path
+    if not @exists(path)
+      @makeTree(@directory(path))
+      @makeDirectory(path)
+
   traverseTree: (rootPath, fn) ->
     recurse = null
     prune = -> recurse = false