Remove support for passing space directly

Author: wooorm

lib/index.js

@@ -62,20 +62,18 @@ const one = zwitch('type', {
   unknown
 })
 
-// To do: next major: remove `space` shortcut.
 /**
  * Turn a hast tree into a xast tree.
  *
  * @param {HastNodes} tree
  *   hast tree to transform.
- * @param {Options | Space | null | undefined} [options]
+ * @param {Options | null | undefined} [options]
  *   Configuration (optional).
  * @returns {XastNodes}
  *   xast tree.
  */
 export function toXast(tree, options) {
-  const settings =
-    typeof options === 'string' ? {space: options} : options || emptyOptions
+  const settings = options || emptyOptions
 
   return one(tree, {
     schema: settings.space === 'svg' ? svg : html,

readme.md

@@ -17,7 +17,7 @@
 *   [Install](#install)
 *   [Use](#use)
 *   [API](#api)
-    *   [`toXast(tree[, space|options])`](#toxasttree-spaceoptions)
+    *   [`toXast(tree[, options])`](#toxasttree-options)
     *   [`Options`](#options)
     *   [`Space`](#space-1)
 *   [Types](#types)
@@ -108,16 +108,14 @@ console.log(toXml(xast))
 This package exports the identifier [`toXast`][toxast].
 There is no default export.
 
-### `toXast(tree[, space|options])`
+### `toXast(tree[, options])`
 
 Turn a [hast][] tree into a [xast][] tree.
 
 ###### Parameters
 
 *   `tree` ([`HastNode`][hast-node])
     — hast tree to transform
-*   `space` ([`Space`][space], optional)
-    — same as options of `{space: space}`
 *   `options` ([`Options`][options], optional)
     — configuration
 
@@ -252,7 +250,7 @@ abide by its terms.
 
 [xast-node]: https://github.com/syntax-tree/xast#nodes
 
-[toxast]: #toxasttree-spaceoptions
+[toxast]: #toxasttree-options
 
 [options]: #options
 

test.js

@@ -41,7 +41,7 @@ test('main', async function (t) {
 
   await t.test('should support `space` (svg)', async function () {
     assert.deepEqual(
-      toXast(s('circle'), 'svg'),
+      toXast(s('circle'), {space: 'svg'}),
       x('circle', {xmlns: webNamespaces.svg})
     )
   })
@@ -318,7 +318,7 @@ test('attributes', async function (t) {
             },
             []
           ),
-          'svg'
+          {space: 'svg'}
         ),
         x('use', {
           xmlns: webNamespaces.svg,