PropertyBinding: Allow unicode node names.

src/animation/PropertyBinding.js

@@ -8,6 +8,9 @@
  * @author tschw
  */
 
+// Characters [].:/ are reserved for track binding syntax.
+var RESERVED_CHARS_RE = '\\[\\]\\.:\\/';
+
 function Composite( targetGroup, path, optionalParsedPath ) {
 
 	var parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path );
@@ -111,33 +114,41 @@ Object.assign( PropertyBinding, {
 	 */
 	sanitizeNodeName: function ( name ) {
 
-		return name.replace( /\s/g, '_' ).replace( /[^\w-]/g, '' );
+		var reservedRe = new RegExp( '[' + RESERVED_CHARS_RE + ']', 'g' );
+
+		return name.replace( /\s/g, '_' ).replace( reservedRe, '' );
 
 	},
 
 	parseTrackName: function () {
 
+		// Attempts to allow node names from any language. ES5's `\w` regexp matches
+		// only latin characters, and the unicode \p{L} is not yet supported. So
+		// instead, we exclude reserved characters and match everything else.
+		var wordChar = '[^' + RESERVED_CHARS_RE + ']';
+		var wordCharOrDot = '[^' + RESERVED_CHARS_RE.replace( '\\.', '' ) + ']';
+
 		// Parent directories, delimited by '/' or ':'. Currently unused, but must
 		// be matched to parse the rest of the track name.
-		var directoryRe = /((?:[\w-]+[\/:])*)/;
+		var directoryRe = /((?:WC+[\/:])*)/.source.replace( 'WC', wordChar );
 
 		// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.
-		var nodeRe = /([\w-\.]+)?/;
+		var nodeRe = /(WCOD+)?/.source.replace( 'WCOD', wordCharOrDot );
 
-		// Object on target node, and accessor. Name may contain only word
+		// Object on target node, and accessor. May not contain reserved
 		// characters. Accessor may contain any character except closing bracket.
-		var objectRe = /(?:\.([\w-]+)(?:\[(.+)\])?)?/;
+		var objectRe = /(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace( 'WC', wordChar );
 
-		// Property and accessor. May contain only word characters. Accessor may
+		// Property and accessor. May not contain reserved characters. Accessor may
 		// contain any non-bracket characters.
-		var propertyRe = /\.([\w-]+)(?:\[(.+)\])?/;
+		var propertyRe = /\.(WC+)(?:\[(.+)\])?/.source.replace( 'WC', wordChar );
 
 		var trackRe = new RegExp( ''
 			+ '^'
-			+ directoryRe.source
-			+ nodeRe.source
-			+ objectRe.source
-			+ propertyRe.source
+			+ directoryRe
+			+ nodeRe
+			+ objectRe
+			+ propertyRe
 			+ '$'
 		);
 

test/unit/src/animation/PropertyBinding.tests.js

@@ -41,6 +41,12 @@ export default QUnit.module( 'Animation', () => {
 				'Leaves valid name intact.'
 			);
 
+			assert.equal(
+				PropertyBinding.sanitizeNodeName( '急須' ),
+				'急須',
+				'Leaves non-latin unicode characters intact.'
+			);
+
 			assert.equal(
 				PropertyBinding.sanitizeNodeName( 'space separated name 123_ -' ),
 				'space_separated_name_123__-',
@@ -48,9 +54,15 @@ export default QUnit.module( 'Animation', () => {
 			);
 
 			assert.equal(
-				PropertyBinding.sanitizeNodeName( '"invalid" name %123%_' ),
-				'invalid_name_123_',
-				'Strips invalid characters.'
+				PropertyBinding.sanitizeNodeName( '"Mátyás" %_* 😇' ),
+				'"Mátyás"_%_*_😇',
+				'Allows various punctuation and symbols.'
+			);
+
+			assert.equal(
+				PropertyBinding.sanitizeNodeName( '/invalid: name ^123.[_]' ),
+				'invalid_name_^123_',
+				'Strips reserved characters.'
 			);
 
 		} );
@@ -236,7 +248,30 @@ export default QUnit.module( 'Animation', () => {
 						propertyName: 'position',
 						propertyIndex: undefined
 					}
+				],
+
+				[
+					'急須.材料[零]',
+					{
+						nodeName: '急須',
+						objectName: undefined,
+						objectIndex: undefined,
+						propertyName: '材料',
+						propertyIndex: '零'
+					}
+				],
+
+				[
+					'📦.🎨[🔴]',
+					{
+						nodeName: '📦',
+						objectName: undefined,
+						objectIndex: undefined,
+						propertyName: '🎨',
+						propertyIndex: '🔴'
+					}
 				]
+
 			];
 
 			paths.forEach( function ( path ) {