fix: Handle body attribute with valid W3C HTML

src/client/updaters/updateTags.js

@@ -47,7 +47,7 @@ export default function _updateTags (options = {}) {
               } else {
                 newElement.appendChild(document.createTextNode(tag.cssText))
               }
-            } else if (attr === options.tagIDKeyName) {
+            } else if ([options.tagIDKeyName, 'body'].includes(attr)) {
               const _attr = `data-${attr}`
               const value = (typeof tag[attr] === 'undefined') ? '' : tag[attr]
               newElement.setAttribute(_attr, value)
@@ -74,7 +74,7 @@ export default function _updateTags (options = {}) {
     const oldTags = oldHeadTags.concat(oldBodyTags)
     oldTags.forEach((tag) => tag.parentNode.removeChild(tag))
     newTags.forEach((tag) => {
-      if (tag.getAttribute('body') === 'true') {
+      if (tag.getAttribute('data-body') === 'true') {
         bodyTag.appendChild(tag)
       } else {
         headTag.appendChild(tag)

src/server/generators/tagGenerator.js

@@ -10,7 +10,7 @@ export default function _tagGenerator (options = {}) {
    */
   return function tagGenerator (type, tags) {
     return {
-      text ({body = false} = {}) {
+      text ({ body = false } = {}) {
         // build a string containing all tags of this type
         return tags.reduce((tagsStr, tag) => {
           if (!!tag.body !== body) return tagsStr
@@ -24,7 +24,7 @@ export default function _tagGenerator (options = {}) {
                 return attrsStr
               // these form the attribute list for this tag
               default:
-                if (attr === options.tagIDKeyName) {
+                if ([options.tagIDKeyName, 'body'].includes(attr)) {
                   return `${attrsStr} data-${attr}="${tag[attr]}"`
                 }
                 return typeof tag[attr] === 'undefined'

src/shared/getComponentOption.js

@@ -31,10 +31,7 @@ export default function getComponentOption (opts, result = {}) {
 
     if (typeof data === 'object') {
       // merge with existing options
-      result = deepmerge(result, data, {
-        clone: true,
-        arrayMerge
-      })
+      result = deepmerge(result, data, { arrayMerge })
     } else {
       result = data
     }

src/shared/getMetaInfo.js

@@ -52,7 +52,7 @@ export default function _getMetaInfo (options = {}) {
       option: keyName,
       deep: true,
       arrayMerge (target, source) {
-        // we concat the arrays without merging objects contained therein,
+        // we concat the arrays without merging objects contained in,
         // but we check for a `vmid` property on each object in the array
         // using an O(1) lookup associative array exploit
         // note the use of "for in" - we are looping through arrays here, not