Added flattening

Author: kevlened

README.md

@@ -38,7 +38,13 @@ A pattern looks like:
     - forces the plugin to overwrite files staged by previous plugins
 * `context`
     - is optional
-    - defaults to the context of your webpack config
+    - defaults to the base context
+    - is a pattern specific context
+* `flatten`
+    - is optional
+    - defaults to `false`
+    - removes all directory references and only copies file names
+    - if files have the same name, the result is non-deterministic
 
 #### Available options:
 * `ignore`

src/index.js

@@ -99,6 +99,7 @@ export default (patterns = [], options = {}) => {
                                 absDirSrc: absSrc,
                                 compilation,
                                 copyUnmodified,
+                                flatten: pattern.flatten,
                                 forceWrite,
                                 ignoreList,
                                 lastGlobalUpdate,
@@ -122,6 +123,11 @@ export default (patterns = [], options = {}) => {
 
                                 relFileDest = pattern.to || '';
 
+                                // Remove any directory references if flattening
+                                if (pattern.flatten) {
+                                    relFileSrc = path.basename(relFileSrc);
+                                }
+
                                 const relFileDirname = path.dirname(relFileSrc);
 
                                 fileDependencies.push(absFileSrc);

src/writeDirectoryToAssets.js

@@ -12,6 +12,7 @@ export default (opts) => {
     const compilation = opts.compilation;
     const absDirSrc = opts.absDirSrc;
     const relDirDest = opts.relDirDest;
+    const flatten = opts.flatten;
     const forceWrite = opts.forceWrite;
     const ignoreList = opts.ignoreList;
     const copyUnmodified = opts.copyUnmodified;
@@ -25,6 +26,11 @@ export default (opts) => {
 
             relFileDest = path.join(relDirDest, relFileSrc);
 
+            // Remove any directory reference if flattening
+            if (flatten) {
+                relFileDest = path.join(relDirDest, path.basename(relFileDest));
+            }
+
             // Skip if it matches any of our ignore list
             if (shouldIgnore(relFileSrc, ignoreList)) {
                 return false;

tests/index.js

@@ -273,6 +273,23 @@ describe('apply function', () => {
             .catch(done);
         });
 
+        it('can use a glob to flatten multiple files in a relative context to a non-root directory', (done) => {
+            runEmit({
+                expectedAssetKeys: [
+                    'nested/directoryfile.txt',
+                    'nested/nestedfile.txt'
+                ],
+                patterns: [{
+                    context: 'directory',
+                    from: '**/*.txt',
+                    to: 'nested',
+                    flatten: true
+                }]
+            })
+            .then(done)
+            .catch(done);
+        });
+
         it('can use a glob to move multiple files in a different absolute context to a non-root directory', (done) => {
             runEmit({
                 expectedAssetKeys: [
@@ -609,6 +626,37 @@ describe('apply function', () => {
             .catch(done);
         });
 
+        it('can move a directory\'s contents to a new directory using a pattern context', (done) => {
+            runEmit({
+                expectedAssetKeys: [
+                    'newdirectory/nestedfile.txt'
+                ],
+                patterns: [{
+                    context: 'directory',
+                    from: 'nested',
+                    to: 'newdirectory'
+                }]
+            })
+            .then(done)
+            .catch(done);
+        });
+
+        it('can flatten a directory\'s contents to a new directory', (done) => {
+            runEmit({
+                expectedAssetKeys: [
+                    'newdirectory/directoryfile.txt',
+                    'newdirectory/nestedfile.txt'
+                ],
+                patterns: [{
+                    from: 'directory',
+                    to: 'newdirectory',
+                    flatten: true
+                }]
+            })
+            .then(done)
+            .catch(done);
+        });
+
         it('can move a directory\'s contents to a new directory using an absolute to', (done) => {
             runEmit({
                 expectedAssetKeys: [