Support for nested folders

Author: moonglum

lib/build-bundler.js

@@ -4,7 +4,7 @@ let { createFile, generateFingerprint } = require("faucet-pipeline-util");
 // TODO: Not available on all supported Node versions
 let { promisify } = require("util");
 let readFile = promisify(fs.readFile);
-let readdir = promisify(fs.readdir);
+let tree = require("./tree");
 
 module.exports = ({ source, target, fingerprint, configDir }) => {
 	return files => {
@@ -13,8 +13,7 @@ module.exports = ({ source, target, fingerprint, configDir }) => {
 		if(files) {
 			filesToCopy = filesWithinDirectory(source, files);
 		} else {
-			// TODO: Get that entire tree
-			filesToCopy = readdir(source);
+			filesToCopy = tree(source);
 		}
 
 		return filesToCopy.then(sources => {

lib/tree.js

@@ -0,0 +1,28 @@
+let fs = require("fs");
+let path = require("path");
+// TODO: Not available on all supported Node versions
+let { promisify } = require("util");
+let stat = promisify(fs.stat);
+let readdir = promisify(fs.readdir);
+
+function tree(directory, relativeTo = directory) {
+	return readdir(directory).then(entries => {
+		return Promise.all(entries.map(entry => {
+			let fullEntry = path.join(directory, entry);
+
+			return stat(fullEntry).then(results => {
+				if(results.isDirectory()) {
+					return tree(fullEntry, relativeTo);
+				} else {
+					return path.relative(relativeTo, fullEntry);
+				}
+			});
+		})).then(flatten);
+	});
+}
+
+function flatten(arr) {
+	return [].concat.apply([], arr);
+}
+
+module.exports = tree;

test/run

@@ -56,6 +56,7 @@ cd "$root/test"
 begin "./test_basic"
 	faucet --no-fingerprint
 	assert_identical "./dist/test.txt" "./src/test.txt"
+	assert_identical "./dist/inner/test2.txt" "./src/inner/test2.txt"
 end
 
 begin "./test_fingerprint"

test/test_basic/src/inner/test2.txt

@@ -0,0 +1 @@
+Hello World