minor refactoring

lib/single-file/css-fonts-minifier.js

@@ -235,22 +235,21 @@ this.fontsMinifier = this.fontsMinifier || (() => {
 		const filterSource = fontSource => fontInfo.filter(source => source == fontSource || source.src.startsWith(LOCAL_SOURCE));
 		stats.fonts.processed += fontInfo.length;
 		stats.fonts.discarded += fontInfo.length;
-		let woffFontFound = findSource("woff2-variations") || findSource("woff2") || findSource("woff");
-		let filteredFontInfo = fontInfo;
+		const woffFontFound = findSource("woff2-variations") || findSource("woff2") || findSource("woff");
 		if (woffFontFound) {
-			filteredFontInfo = filterSource(woffFontFound);
+			fontInfo = filterSource(woffFontFound);
 		} else {
-			let ttfFontFound = findSource("truetype-variations") || findSource("truetype");
+			const ttfFontFound = findSource("truetype-variations") || findSource("truetype");
 			if (ttfFontFound) {
-				filteredFontInfo = filterSource(ttfFontFound);
+				fontInfo = filterSource(ttfFontFound);
 			} else {
-				let otfFontFound = findSource("opentype") || findSource("embedded-opentype");
+				const otfFontFound = findSource("opentype") || findSource("embedded-opentype");
 				if (otfFontFound) {
-					filteredFontInfo = filterSource(otfFontFound);
+					fontInfo = filterSource(otfFontFound);
 				}
 			}
 		}
-		stats.fonts.discarded -= filteredFontInfo.length;
+		stats.fonts.discarded -= fontInfo.length;
 		const removedNodes = [];
 		for (let node = cssRule.block.children.head; node; node = node.next) {
 			if (node.data.property == "src") {
@@ -261,8 +260,8 @@ this.fontsMinifier = this.fontsMinifier || (() => {
 		removedNodes.forEach(node => cssRule.block.children.remove(node));
 		const srcDeclaration = cssRule.block.children.filter(node => node.property == "src").tail;
 		if (srcDeclaration) {
-			filteredFontInfo.reverse();
-			srcDeclaration.data.value = cssTree.parse(filteredFontInfo.map(fontSource => fontSource.src).join(","), { context: "value" });
+			fontInfo.reverse();
+			srcDeclaration.data.value = cssTree.parse(fontInfo.map(fontSource => fontSource.src).join(","), { context: "value" });
 		}
 	}