chore: regenerate types for parseFromString isDocument param

cjs/dom/parser.js

@@ -34,7 +34,7 @@ class DOMParser {
     if (isHTML && markupLanguage === '...')
       markupLanguage = '<!doctype html><html><head></head><body></body></html>';
     return markupLanguage ?
-            parseFromString(document, isHTML, markupLanguage) :
+            parseFromString(document, isHTML, markupLanguage, true) :
             document;
   }
 }

cjs/shared/parse-from-string.js

@@ -40,7 +40,7 @@ const attribute = (element, end, attribute, value, active) => {
 const isNotParsing = () => notParsing;
 exports.isNotParsing = isNotParsing;
 
-const parseFromString = (document, isHTML, markupLanguage) => {
+const parseFromString = (document, isHTML, markupLanguage, isDocument = false) => {
   const {active, registry} = document[CUSTOM_ELEMENTS];
 
   let node = document;
@@ -60,6 +60,12 @@ const parseFromString = (document, isHTML, markupLanguage) => {
     onopentag(name, attributes) {
       let create = true;
       if (isHTML) {
+        // a top level <head> or <body> without <html> gets an implicit <html>,
+        // so document.head and document.body find the parsed elements
+        if (isDocument && node === document && (name === 'head' || name === 'body')) {
+          node = document.firstElementChild ||
+                  append(document, document.createElement('html'), false);
+        }
         if (ownerSVGElement) {
           node = append(node, document.createElementNS(SVG_NAMESPACE, name), active);
           node.ownerSVGElement = ownerSVGElement;

esm/dom/parser.js

@@ -33,7 +33,7 @@ export class DOMParser {
     if (isHTML && markupLanguage === '...')
       markupLanguage = '<!doctype html><html><head></head><body></body></html>';
     return markupLanguage ?
-            parseFromString(document, isHTML, markupLanguage) :
+            parseFromString(document, isHTML, markupLanguage, true) :
             document;
   }
 }

esm/shared/parse-from-string.js

@@ -38,7 +38,7 @@ const attribute = (element, end, attribute, value, active) => {
 
 export const isNotParsing = () => notParsing;
 
-export const parseFromString = (document, isHTML, markupLanguage) => {
+export const parseFromString = (document, isHTML, markupLanguage, isDocument = false) => {
   const {active, registry} = document[CUSTOM_ELEMENTS];
 
   let node = document;
@@ -58,6 +58,12 @@ export const parseFromString = (document, isHTML, markupLanguage) => {
     onopentag(name, attributes) {
       let create = true;
       if (isHTML) {
+        // a top level <head> or <body> without <html> gets an implicit <html>,
+        // so document.head and document.body find the parsed elements
+        if (isDocument && node === document && (name === 'head' || name === 'body')) {
+          node = document.firstElementChild ||
+                  append(document, document.createElement('html'), false);
+        }
         if (ownerSVGElement) {
           node = append(node, document.createElementNS(SVG_NAMESPACE, name), active);
           node.ownerSVGElement = ownerSVGElement;

test/html/document.js

@@ -72,6 +72,12 @@ assert(typeof window.performance.now(), 'number');
 
 assert(parseHTML('<html><body><div>asdf</div></body></html>').document.body.outerHTML, '<body><div>asdf</div></body>');
 
+// issue #283: <body> without <html> still backs document.body
+const bodyOnly = parseHTML('<body><div class="whatever"></div></body>').document;
+assert(bodyOnly.body, bodyOnly.querySelector('body'));
+assert(bodyOnly.documentElement.outerHTML, '<html><head></head><body><div class="whatever"></div></body></html>');
+assert(parseHTML('<head><title>t</title></head><body><p></p></body>').document.documentElement.outerHTML, '<html><head><title>t</title></head><body><p></p></body></html>');
+
 const location = {href: 'http://ok'};
 const withLocation = parseHTML('<html></html>', {location});
 assert(withLocation.document.defaultView.location, location);

types/esm/shared/parse-from-string.d.ts

@@ -1,2 +1,2 @@
 export function isNotParsing(): boolean;
-export function parseFromString(document: any, isHTML: any, markupLanguage: any): any;
+export function parseFromString(document: any, isHTML: any, markupLanguage: any, isDocument?: boolean): any;

worker.js

@@ -2269,7 +2269,7 @@ const attribute = (element, end, attribute, value, active) => {
     attributeChangedCallback$1(element, attribute.name, null, value);
 };
 
-const parseFromString = (document, isHTML, markupLanguage) => {
+const parseFromString = (document, isHTML, markupLanguage, isDocument = false) => {
   const {active, registry} = document[CUSTOM_ELEMENTS];
 
   let node = document;
@@ -2287,6 +2287,12 @@ const parseFromString = (document, isHTML, markupLanguage) => {
     onopentag(name, attributes) {
       let create = true;
       if (isHTML) {
+        // a top level <head> or <body> without <html> gets an implicit <html>,
+        // so document.head and document.body find the parsed elements
+        if (isDocument && node === document && (name === 'head' || name === 'body')) {
+          node = document.firstElementChild ||
+                  append$2(document, document.createElement('html'), false);
+        }
         if (ownerSVGElement) {
           node = append$2(node, document.createElementNS(SVG_NAMESPACE, name), active);
           node.ownerSVGElement = ownerSVGElement;
@@ -17665,7 +17671,7 @@ class DOMParser {
     if (isHTML && markupLanguage === '...')
       markupLanguage = '<!doctype html><html><head></head><body></body></html>';
     return markupLanguage ?
-            parseFromString(document, isHTML, markupLanguage) :
+            parseFromString(document, isHTML, markupLanguage, true) :
             document;
   }
 }