WIP - add extractor, generate snippet_data

node_modules/unist-util-modify-children/index.js

@@ -0,0 +1,35 @@
+'use strict'
+
+var iterate = require('array-iterate')
+
+module.exports = modifierFactory
+
+// Turn `callback` into a child-modifier accepting a parent.  See
+// `array-iterate` for more info.
+function modifierFactory(callback) {
+  return iteratorFactory(wrapperFactory(callback))
+}
+
+// Turn `callback` into a `iterator' accepting a parent.
+function iteratorFactory(callback) {
+  return iterator
+
+  function iterator(parent) {
+    var children = parent && parent.children
+
+    if (!children) {
+      throw new Error('Missing children in `parent` for `modifier`')
+    }
+
+    return iterate(children, callback, parent)
+  }
+}
+
+// Pass the context as the third argument to `callback`.
+function wrapperFactory(callback) {
+  return wrapper
+
+  function wrapper(value, index) {
+    return callback(value, index, this)
+  }
+}