From f9bd16eafae4d341dcd20dd251a8dba00833d7de Mon Sep 17 00:00:00 2001
From: Piotr Jasiun <p.jasiun@cksource.com>
Date: Thu, 21 Nov 2019 15:07:09 +0100
Subject: [PATCH 1/2] Added iterator interface to the Config class.

---
 src/config.js   | 11 +++++++++++
 tests/config.js |  6 ++++++
 2 files changed, 17 insertions(+)

diff --git a/src/config.js b/src/config.js
index ecad1b0..fb13b1c 100644
--- a/src/config.js
+++ b/src/config.js
@@ -113,6 +113,17 @@ export default class Config {
 		return this._getFromSource( this._config, name );
 	}
 
+	/**
+	 * Iterable interface.
+	 *
+	 * Iterates over all top level configuration names.
+	 *
+	 * @returns {Iterable.<String>}
+	 */
+	[ Symbol.iterator ]() {
+		return Object.keys( this._config )[ Symbol.iterator ]();
+	}
+
 	/**
 	 * Saves passed configuration to the specified target (nested object).
 	 *
diff --git a/tests/config.js b/tests/config.js
index 5b3f0c9..76ef846 100644
--- a/tests/config.js
+++ b/tests/config.js
@@ -459,4 +459,10 @@ describe( 'Config', () => {
 			expect( nodesAgain ).to.deep.equal( nodes );
 		} );
 	} );
+
+	describe( 'iterator', () => {
+		it( 'should return top level keys of the configuration', () => {
+			expect( Array.from( config ) ).to.be.deep.equal( [ 'creator', 'language', 'resize', 'toolbar', 'options' ] );
+		} );
+	} );
 } );

From d3e2d350e5cc782e6fa8dc8c46c16d44e545c077 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Oskar=20Wr=C3=B3bel?= <kontakt@oskarwrobel.pl>
Date: Thu, 5 Dec 2019 14:58:29 +0100
Subject: [PATCH 2/2] Changes Config iterator interface to Config#names()
 method.

---
 src/config.js   | 8 ++++----
 tests/config.js | 6 +++---
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/config.js b/src/config.js
index fb13b1c..ce7657d 100644
--- a/src/config.js
+++ b/src/config.js
@@ -114,14 +114,14 @@ export default class Config {
 	}
 
 	/**
-	 * Iterable interface.
-	 *
 	 * Iterates over all top level configuration names.
 	 *
 	 * @returns {Iterable.<String>}
 	 */
-	[ Symbol.iterator ]() {
-		return Object.keys( this._config )[ Symbol.iterator ]();
+	* names() {
+		for ( const name of Object.keys( this._config ) ) {
+			yield name;
+		}
 	}
 
 	/**
diff --git a/tests/config.js b/tests/config.js
index 76ef846..b9c18c6 100644
--- a/tests/config.js
+++ b/tests/config.js
@@ -460,9 +460,9 @@ describe( 'Config', () => {
 		} );
 	} );
 
-	describe( 'iterator', () => {
-		it( 'should return top level keys of the configuration', () => {
-			expect( Array.from( config ) ).to.be.deep.equal( [ 'creator', 'language', 'resize', 'toolbar', 'options' ] );
+	describe( 'names()', () => {
+		it( 'should return an iterator of top level names of the configuration', () => {
+			expect( Array.from( config.names() ) ).to.be.deep.equal( [ 'creator', 'language', 'resize', 'toolbar', 'options' ] );
 		} );
 	} );
 } );