Fix testing

Author: ocavue

lib/index.js

@@ -40,6 +40,7 @@ export function toMarkdown(tree, options = {}) {
 
   /** @type {Handle} */
   context.handle = zwitch('type', {
+    // @ts-expect-error: TODO: fix the typing here.
     invalid,
     unknown,
     handlers: context.handlers

lib/unsafe.js

@@ -88,7 +88,7 @@ export const unsafe = [
   {atBreak: true, character: '*'},
   {character: '*', inConstruct: 'phrasing', notInConstruct: fullPhrasingSpans},
   // A plus sign could start a list item.
-  {atBreak: true, character: '+', before: "\\ \\t\\r\\n"},
+  {atBreak: true, character: '+', after: '(?:[ \t\r\n])'},
   // A dash can start thematic breaks, list items, and setext heading
   // underlines.
   {atBreak: true, character: '-'},

test/index.js

@@ -3026,9 +3026,15 @@ test('escape', (t) => {
   )
 
   t.equal(
-    to({type: 'paragraph', children: [{type: 'text', value: 'a+b'}]}),
-    'a+b\n',
-    'should not escape what can’t be a list (plus)'
+    to({type: 'paragraph', children: [{type: 'text', value: 'a\\+b'}]}),
+    'a\\\\+b\n',
+    'should escape what would otherwise be a character escape'
+  )
+
+  t.equal(
+    to({type: 'paragraph', children: [{type: 'text', value: '+a'}]}),
+    '+a\n',
+    'should not escape a `+` if it is not followed by a whitespace'
   )
 
   t.equal(