Add support for passing a list of nodes

Author: wooorm

lib/index.js

@@ -18,6 +18,10 @@ function toHtml(node, options) {
   var quote = settings.quote || quotationMark
   var alternative = quote === quotationMark ? apostrophe : quotationMark
   var smart = settings.quoteSmart
+  var value =
+    node && typeof node === 'object' && 'length' in node
+      ? {type: 'root', children: node}
+      : node
 
   if (quote !== quotationMark && quote !== apostrophe) {
     throw new Error(
@@ -62,6 +66,6 @@ function toHtml(node, options) {
       close: settings.closeSelfClosing,
       closeEmpty: settings.closeEmptyElements
     },
-    node
+    value
   )
 }

readme.md

@@ -44,7 +44,7 @@ Yields:
 
 ### `toHtml(tree[, options])`
 
-Serialize the given [**hast**][hast] [*tree*][tree].
+Serialize the given [**hast**][hast] [*tree*][tree] (or list of nodes).
 
 ###### `options.space`
 

test/core.js

@@ -2,6 +2,7 @@
 
 var test = require('tape')
 var u = require('unist-builder')
+var h = require('hastscript')
 var to = require('..')
 
 test('toHtml()', function(t) {
@@ -21,5 +22,8 @@ test('toHtml()', function(t) {
     'should throw on unknown nodes'
   )
 
+  t.equal(to(h()), '<div></div>', 'should support a node')
+  t.equal(to([h('b'), h('i')]), '<b></b><i></i>', 'should support an array')
+
   t.end()
 })

types/index.d.ts

@@ -175,7 +175,7 @@ declare namespace hastUtilToHtml {
  * @param options configuration for stringifier
  */
 declare function hastUtilToHtml(
-  tree: Node,
+  tree: Node | Node[],
   options?: Partial<hastUtilToHtml.HastUtilToHtmlOptions>
 ): string