Code style and fix tabulate tests

src/tabulate.js

@@ -42,14 +42,18 @@ function toFolder(path) {
 }
 
 function getStatement(file) {
-	const { branches, functions, lines } = file;
-	return [branches, functions, lines].reduce((prev, curr) => ({
-		hit: prev.hit + (curr.hit || 0),
-		found: prev.found + (curr.found || 0),
-	}), {
-		hit: 0,
-		found: 0,
-	})
+	const { branches, functions, lines } = file
+
+	return [branches, functions, lines].reduce(function(acc, curr) {
+		if (!curr) {
+			return acc
+		}
+
+		return {
+			hit: acc.hit + curr.hit,
+			found: acc.found + curr.found,
+		}
+	}, { hit: 0, found: 0 })
 }
 
 function toRow(file, indent, options) {

src/tabulate_test.js

@@ -125,6 +125,7 @@ test("tabulate should generate a correct table", function() {
 		tbody(
 			tr(
 				th("File"),
+				th("Stmts"),
 				th("Branches"),
 				th("Funcs"),
 				th("Lines"),
@@ -139,12 +140,13 @@ test("tabulate should generate a correct table", function() {
 						"index.js",
 					),
 				),
+				td("100%"),
 				td("N/A"),
 				td("100%"),
 				td("N/A"),
 				td(),
 			),
-			tr(td({ colspan: 5 }, b("src"))),
+			tr(td({ colspan: 6 }, b("src"))),
 			tr(
 				td(
 					"   ",
@@ -155,6 +157,7 @@ test("tabulate should generate a correct table", function() {
 						"foo.js",
 					),
 				),
+				td(b("89.66%")),
 				td("100%"),
 				td(b("66.67%")),
 				td(b("91.30%")),
@@ -167,7 +170,7 @@ test("tabulate should generate a correct table", function() {
 					),
 				),
 			),
-			tr(td({ colspan: 5 }, b("src/bar"))),
+			tr(td({ colspan: 6 }, b("src/bar"))),
 			tr(
 				td(
 					"   ",
@@ -178,6 +181,7 @@ test("tabulate should generate a correct table", function() {
 						"baz.js",
 					),
 				),
+				td(b("53.85%")),
 				td("N/A"),
 				td(b("66.67%")),
 				td(b("50%")),