Improves code coverage

Author: Filipa Lacerda

lib/rules/max-attributes-per-line.js

@@ -113,7 +113,7 @@ module.exports = {
         if (options.multiline) {
           if (typeof options.multiline === 'number') {
             defaults.multiline = options.multiline
-          } else if (options.multiline) {
+          } else if (typeof options.multiline === 'object') {
             if (options.multiline.max) {
               defaults.multiline = options.multiline.max
             }

lib/utils/index.js

@@ -402,7 +402,7 @@ module.exports = {
       /**
      * Check whether the component is declared in a single line or not.
      * @param {ASTNode} node
-     * @returns {boolean
+     * @returns {boolean}
      */
   isSingleLine (node) {
     return node.loc.start.line === node.loc.end.line

tests/lib/rules/max-attributes-per-line.js

@@ -93,6 +93,11 @@ ruleTester.run('max-attributes-per-line', rule, {
       </template>`,
       errors: ['Attribute "job" should be on a new line.']
     },
+    {
+      code: `<template><component name="John Doe" age="30"></component></template>`,
+      options: [{ singleline: { max: 1 }}],
+      errors: ['Attribute "age" should be on a new line.']
+    },
     {
       code: `<template><component name="John Doe" age="30" job="Vet"></component></template>`,
       options: [{ singleline: 1, multiline: { max: 1, allowFirstLine: false }}],
@@ -115,6 +120,15 @@ ruleTester.run('max-attributes-per-line', rule, {
       options: [{ singleline: 3, multiline: { max: 1, allowFirstLine: false }}],
       errors: ['Attribute "age" should be on a new line.']
     },
+    {
+      code: `<template><component
+        name="John Doe" age="30"
+        job="Vet">
+        </component>
+      </template>`,
+      options: [{ singleline: 3, multiline: 1 }],
+      errors: ['Attribute "age" should be on a new line.']
+    },
     {
       code: `<template><component
         name="John Doe" age="30"