New: --include-empty-dirs option

README.md

@@ -34,15 +34,17 @@ Options:
     -C, --clean               Clean files that matches <source> like pattern in
                               <dest> directory before the first copying.
     -L, --dereference         Follow symbolic links when copying from them.
-    -h, --help                Print usage information
+    -h, --help                Print usage information.
+        --include-empty-dirs  The flag to copy empty directories which is
+                              matched with the glob.
     -p, --preserve            The flag to copy attributes of files.
                               This attributes are uid, gid, atime, and mtime.
     -t, --transform <name>    A module name to transform each file. cpx lookups
                                 the specified name via "require()".
     -u, --update              The flag to not overwrite files on destination if
                               the source file is older.
     -v, --verbose             Print copied/removed files.
-    -V, --version             Print the version number
+    -V, --version             Print the version number.
     -w, --watch               Watch for files that matches <source>, and copy
                               the file to <dest> every changing.
 ```
@@ -101,6 +103,7 @@ cpx.copy(source, dest, callback)
 - **options** `{object}`
   - **options.clean** `{boolean}` -- The flag to remove files that copied on past before copy.
   - **options.dereference** `{boolean}` -- The flag to follow symbolic links when copying from them.
+  - **options.includeEmptyDirs** `{boolean}` -- The flag to copy empty directories which is matched with the glob.
   - **options.preserve** `{boolean}` -- The flag to copy uid, gid, atime, and mtime of files.
   - **options.transform** `{((filepath: string) => stream.Transform)[]}` -- Functions that creates a `stream.Transform` object to transform each copying file.
   - **options.update** `{boolean}` -- The flag to not overwrite files on destination if the source file is older.

src/bin/help.js

@@ -28,6 +28,8 @@ Options:
                               <dest> directory before the first copying.
     -L, --dereference         Follow symbolic links when copying from them.
     -h, --help                Print usage information.
+        --include-empty-dirs  The flag to copy empty directories which is
+                              matched with the glob.
     -p, --preserve            The flag to copy attributes of files.
                               This attributes are uid, gid, atime, and mtime.
     -t, --transform <name>    A module name to transform each file. cpx lookups

src/bin/index.js

@@ -17,6 +17,7 @@ const OPTIONS = {
     c: "command",
     C: "clean",
     h: "help",
+    includeEmptyDirs: "include-empty-dirs",
     L: "dereference",
     p: "preserve",
     t: "transform",
@@ -30,6 +31,7 @@ const args = subarg(process.argv.slice(2), {
         "clean",
         "dereference",
         "help",
+        "include-empty-dirs",
         "preserve",
         "update",
         "verbose",

src/bin/main.js

@@ -93,6 +93,7 @@ module.exports = function main(source, outDir, args) {
         {
             transform: mergedTransformFactories,
             dereference: args.dereference,
+            includeEmptyDirs: args.includeEmptyDirs,
             preserve: args.preserve,
             update: args.update,
         }

src/lib/copy-sync.js

@@ -8,6 +8,7 @@
 
 const {Buffer} = require("safe-buffer")
 const fs = require("fs")
+const mkdirSync = require("mkdirp").sync
 const MAX_BUFFER = 2048
 
 /**
@@ -66,7 +67,12 @@ module.exports = function copySync(src, dst, {preserve, update}) {
         }
     }
 
-    copyBodySync(src, dst)
+    if (stat.isDirectory()) {
+        mkdirSync(dst)
+    }
+    else {
+        copyBodySync(src, dst)
+    }
     fs.chmodSync(dst, stat.mode)
 
     if (preserve) {

src/lib/copy.js

@@ -7,6 +7,7 @@
 "use strict"
 
 const fs = require("fs")
+const mkdir = require("mkdirp")
 const Queue = require("./queue")
 
 /**
@@ -117,14 +118,28 @@ module.exports = function copy(
         }))
     }
 
-    q.push(next => copyBody(src, dst, transformFactories, (err) => {
-        if (err) {
-            cb(err)
+    q.push(next => {
+        if (stat.isDirectory()) {
+            mkdir(dst, (err) => {
+                if (err) {
+                    cb(err)
+                }
+                else {
+                    next()
+                }
+            })
         }
         else {
-            next()
+            copyBody(src, dst, transformFactories, (err) => {
+                if (err) {
+                    cb(err)
+                }
+                else {
+                    next()
+                }
+            })
         }
-    }))
+    })
     q.push(next => fs.chmod(dst, stat.mode, (err) => {
         if (err) {
             cb(err)