planning

node_modules/remark-stringify/lib/visitors/heading.js

@@ -0,0 +1,51 @@
+'use strict'
+
+var repeat = require('repeat-string')
+
+module.exports = heading
+
+var lineFeed = '\n'
+var space = ' '
+var numberSign = '#'
+var dash = '-'
+var equalsTo = '='
+
+// Stringify a heading.
+//
+// In `setext: true` mode and when `depth` is smaller than three, creates a
+// setext header:
+//
+// ```markdown
+// Foo
+// ===
+// ```
+//
+// Otherwise, an ATX header is generated:
+//
+// ```markdown
+// ### Foo
+// ```
+//
+// In `closeAtx: true` mode, the header is closed with hashes:
+//
+// ```markdown
+// ### Foo ###
+// ```
+function heading(node) {
+  var self = this
+  var depth = node.depth
+  var setext = self.options.setext
+  var closeAtx = self.options.closeAtx
+  var content = self.all(node).join('')
+  var prefix
+
+  if (setext && depth < 3) {
+    return (
+      content + lineFeed + repeat(depth === 1 ? equalsTo : dash, content.length)
+    )
+  }
+
+  prefix = repeat(numberSign, node.depth)
+
+  return prefix + space + content + (closeAtx ? space + prefix : '')
+}