Add support for checked, unchecked options

Author: wooorm

index.js

@@ -10,7 +10,6 @@ var handlers = require('./lib/handlers')
 
 function toMdast(tree, options) {
   var settings = options || {}
-  var opts = {newlines: settings.newlines === true}
   var byId = {}
 
   h.nodeById = byId
@@ -22,9 +21,12 @@ function toMdast(tree, options) {
   h.augment = augment
   h.document = settings.document
 
+  h.checked = settings.checked || '[x]'
+  h.unchecked = settings.unchecked || '[ ]'
+
   visit(tree, onvisit)
 
-  return one(h, minify(opts)(tree), null)
+  return one(h, minify({newlines: settings.newlines === true})(tree), null)
 
   function h(node, type, props, children) {
     var result

lib/handlers/input.js

@@ -27,7 +27,10 @@ function input(h, node) {
   }
 
   if (type === 'checkbox' || type === 'radio') {
-    return {type: 'text', value: '[' + (props.checked ? 'x' : ' ') + ']'}
+    return {
+      type: 'text',
+      value: wrapText(h, h[props.checked ? 'checked' : 'unchecked'])
+    }
   }
 
   if (type === 'image' && props.alt) {

lib/handlers/list-item.js

@@ -39,9 +39,7 @@ function listItem(h, node) {
     if (
       head &&
       head.type === 'text' &&
-      head.value.length === 3 &&
-      head.value.charAt(0) === '[' &&
-      head.value.charAt(2) === ']'
+      (head.value === h.checked || head.value === h.unchecked)
     ) {
       grandchildren.shift()
     }

readme.md

@@ -87,6 +87,16 @@ If `document: true`, all mdast phrasing children are wrapped in paragraphs.
 Whether to collapse to a line feed (`\n`) instead of a single space (default) if
 a streak of white-space in a text node contains a newline.
 
+###### `options.checked`
+
+Value to use when serializing a checked checkbox or radio input (`string`,
+default: `[x]`).
+
+###### `options.unchecked`
+
+Value to use when serializing an unchecked checkbox or radio input (`string`,
+default: `[ ]`).
+
 ##### Returns
 
 [`MdastNode`][mdast-node].

test/fixtures/input-checkbox-radio/index.html

@@ -0,0 +1,11 @@
+<!-- Checkbox -->
+
+<p><label><input type=checkbox> Alpha</label></p>
+<p><label><input type=checkbox checked> Bravo</label></p>
+<p><label><input type=checkbox checked value=Charlie> Delta</label></p>
+
+<!-- Radio -->
+
+<p><label><input type=radio> Alpha</label></p>
+<p><label><input type=radio checked> Bravo</label></p>
+<p><label><input type=radio checked value=Charlie> Delta</label></p>

test/fixtures/input-checkbox-radio/index.json

@@ -0,0 +1,5 @@
+{
+  "fragment": true,
+  "checked": "✓",
+  "unchecked": "✗"
+}

test/fixtures/input-checkbox-radio/index.md

@@ -0,0 +1,15 @@
+<!-- Checkbox -->
+
+✗ Alpha
+
+✓ Bravo
+
+✓ Delta
+
+<!-- Radio -->
+
+✗ Alpha
+
+✓ Bravo
+
+✓ Delta