fix: font-stretch doesn't match the regex

.gitignore

@@ -1,5 +1,6 @@
 /node_modules/
 example*/out/
+example*/node_modules
 .*.swp
 .*.swo
 package-lock.json

example5/fonts.list

@@ -0,0 +1 @@
+Open+Sans:300&subset=cyrillic,cyrillic-ext,greek,greek-ext,latin-ext

example5/gulpfile.js

@@ -0,0 +1,13 @@
+var gulp = require('gulp');
+var googleWebFonts = require('../');
+
+var options = { };
+
+gulp.task('fonts', function () {
+	return gulp.src('./fonts.list')
+		.pipe(googleWebFonts(options))
+		.pipe(gulp.dest('out/fonts'))
+		;
+	});
+
+gulp.task('default', ['fonts']);

example5/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "example5",
+  "version": "0.0.1",
+  "description": "",
+  "main": "gulpfile.js",
+  "scripts": {
+    "test": "gulp"
+  },
+  "author": "Tingyu Huang",
+  "license": "ISC"
+}

index.js

@@ -236,17 +236,22 @@ function getter(options) {
 				// since Google doesn't put there '.svg' suffix for some reason
 				// (but does that for other extensions).
 				var re = new RegExp([
-					"\\s*font-family:\\s*'([^']+)';",
-					"\\s*font-style:\\s*(\\w+);",
-					"\\s*font-weight:\\s*(\\w+);",
-					"\\s*src:([^;]*);",
-					".*(?:unicode-range:([^;]+);)?",
+					"\\s*font-family:\\s*'(?<family>[^']+)';",
+					"\\s*font-style:\\s*(?<style>\\w+);",
+					"\\s*font-weight:\\s*(?<weight>\\w+);",
+					".*(?:\\s*font-stretch:\\s(?<stretch>[^;]+);)?",
+					"\\s*src:(?<src>[^;]*);",
+					".*(?:unicode-range:(?<range>[^;]+);)?",
 				].join(''), 'm');
 
-				return formatData.apply(null, block.match(re, 'm'));
-
+				let found = block.match(re, 'm');
+				if (found === null) {
+					throw new Error("faild to match block");
+				}
+				return formatData(found.groups);
 
-				function formatData(block, family, style, weight, src, range) {
+				function formatData(data) {
+					const { family, style, weight, stretch, src, range } = data;
 					var name = [family, style, weight].join('-') + '.' + ext;
 					var url = src.match(/url\(([^)]+)\)/)[1];
 					var locals = src.match(/local\([^)]+\)/g) || [];
@@ -257,6 +262,7 @@ function getter(options) {
 						name: name.replace(/\s/g, '_'),
 						url: url,
 						locals: locals,
+						stretch: stretch || 'normal',
 						range: range || 'U+0-10FFFF'
 					};
 				}
@@ -280,6 +286,7 @@ function getter(options) {
 				'	font-style: $style;',
 				'	font-weight: $weight;',
 				'	font-display: ' + options.fontDisplayType + ';',
+				'	font-stretch: $stretch;',
 				'	src: $src' + format + ';',
 				'	unicode-range: $range;',
 				'}'