Number parser: Lenient about trailing decimal separator

Fixes globalizejs#744

Author: rxaviers

src/number/parse-properties.js

@@ -121,8 +121,9 @@ return function( pattern, cldr, options ) {
 	if ( !isNaN( minimumSignificantDigits * maximumSignificantDigits ) || /* 1 */
 				maximumFractionDigits /* 2 */ ) {
 
+		// 1: Handle trailing decimal separator, e.g., `"1." => `1``.
 		aux = decimalSymbolRe + digitsRe + "+";
-		numberTokenizer = numberTokenizer + "(" + aux + ")?" +
+		numberTokenizer = numberTokenizer + "(" + aux + "|" + decimalSymbolRe /* 1 */ + ")?" +
 
 			// Handle non-padded decimals, e.g., `".12"` => `0.12` by making the integer part
 			// optional.

test/unit/number/parse-properties.js

@@ -91,26 +91,26 @@ QUnit.test( "should return negativeSuffix tokenizer", function( assert ) {
 
 QUnit.test( "should return number tokenizer", function( assert ) {
 	assert.deepEqual( properties( "0", en )[ 2 ].number, /^\d+/ );
-	assert.deepEqual( properties( "0.##", en )[ 2 ].number, /^(\d+(\.\d+)?|(\d+)?\.\d+)/ );
+	assert.deepEqual( properties( "0.##", en )[ 2 ].number, /^(\d+(\.\d+|\.)?|(\d+)?\.\d+)/ );
 
 	assert.deepEqual(
 		properties( "#,##0.##", en )[ 2 ].number,
-		/^((\d{1,3}(,\d{3})+|\d+)(\.\d+)?|((\d{1,3}(,\d{3})+|\d+))?\.\d+)/
+		/^((\d{1,3}(,\d{3})+|\d+)(\.\d+|\.)?|((\d{1,3}(,\d{3})+|\d+))?\.\d+)/
 	);
 
 	assert.deepEqual(
 		properties( "#,##0.##", es )[ 2 ].number,
-		/^((\d{1,3}(\.\d{3})+|\d+)(,\d+)?|((\d{1,3}(\.\d{3})+|\d+))?,\d+)/
+		/^((\d{1,3}(\.\d{3})+|\d+)(,\d+|,)?|((\d{1,3}(\.\d{3})+|\d+))?,\d+)/
 	);
 
 	assert.deepEqual(
 		properties( "#,##,##0.##", en )[ 2 ].number,
-		/^((\d{1,2}((,\d{2})*(,\d{3}))|\d+)(\.\d+)?|((\d{1,2}((,\d{2})*(,\d{3}))|\d+))?\.\d+)/
+		/^((\d{1,2}((,\d{2})*(,\d{3}))|\d+)(\.\d+|\.)?|((\d{1,2}((,\d{2})*(,\d{3}))|\d+))?\.\d+)/
 	);
 
 	assert.deepEqual(
 		properties( "#,##0.##", sv )[ 2 ].number,
-		/^((\d{1,3}( \d{3})+|\d+)(,\d+)?|((\d{1,3}( \d{3})+|\d+))?,\d+)/
+		/^((\d{1,3}( \d{3})+|\d+)(,\d+|,)?|((\d{1,3}( \d{3})+|\d+))?,\d+)/
 	);
 });
 

test/unit/number/parse.js

@@ -109,6 +109,12 @@ QUnit.test( "should parse zero-padded decimals", function( assert ) {
 	assert.equal( parse( "0.10", properties( "0.00", en ) ), 0.1 );
 });
 
+QUnit.test( "should parse trailing decimal separator", function( assert ) {
+	assert.equal( parse( "1.", properties( "0.0", en ) ), 1 );
+	assert.equal( parse( "١٫", properties( "0.0", ar ) ), 1 );
+	assert.equal( parse( "1,", properties( "0.0", pt ) ), 1 );
+});
+
 QUnit.test( "should parse non-padded decimals", function( assert ) {
 	assert.equal( parse( ".14159", properties( "0.0", en ) ), 0.14159 );
 	assert.equal( parse( ".752", properties( "0.0", en ) ), 0.752 );