planning

node_modules/hast-util-to-html/lib/omission/util/siblings.js

@@ -0,0 +1,27 @@
+'use strict'
+
+var whiteSpace = require('hast-util-whitespace')
+
+exports.before = siblings(-1)
+exports.after = siblings(1)
+
+// Factory to check siblings in a direction.
+function siblings(increment) {
+  return sibling
+
+  // Find applicable siblings in a direction.
+  function sibling(parent, index, includeWhiteSpace) {
+    var siblings = parent && parent.children
+    var offset = index + increment
+    var next = siblings && siblings[offset]
+
+    if (!includeWhiteSpace) {
+      while (next && whiteSpace(next)) {
+        offset += increment
+        next = siblings[offset]
+      }
+    }
+
+    return next
+  }
+}