WIP - add extractor, generate snippet_data

node_modules/parse-latin/lib/plugin/merge-initialisms.js

@@ -0,0 +1,75 @@
+'use strict'
+
+var toString = require('nlcst-to-string')
+var modifyChildren = require('unist-util-modify-children')
+var expressions = require('../expressions')
+
+module.exports = modifyChildren(mergeInitialisms)
+
+var numerical = expressions.numerical
+
+// Merge initialisms.
+function mergeInitialisms(child, index, parent) {
+  var siblings
+  var prev
+  var children
+  var length
+  var position
+  var otherChild
+  var isAllDigits
+  var value
+
+  if (index !== 0 && toString(child) === '.') {
+    siblings = parent.children
+
+    prev = siblings[index - 1]
+    children = prev.children
+
+    length = children && children.length
+
+    if (prev.type === 'WordNode' && length !== 1 && length % 2 !== 0) {
+      position = length
+
+      isAllDigits = true
+
+      while (children[--position]) {
+        otherChild = children[position]
+
+        value = toString(otherChild)
+
+        if (position % 2 === 0) {
+          // Initialisms consist of one character values.
+          if (value.length > 1) {
+            return
+          }
+
+          if (!numerical.test(value)) {
+            isAllDigits = false
+          }
+        } else if (value !== '.') {
+          if (position < length - 2) {
+            break
+          } else {
+            return
+          }
+        }
+      }
+
+      if (!isAllDigits) {
+        // Remove `child` from parent.
+        siblings.splice(index, 1)
+
+        // Add child to the previous children.
+        children.push(child)
+
+        // Update position.
+        if (prev.position && child.position) {
+          prev.position.end = child.position.end
+        }
+
+        // Next, iterate over the node *now* at the current position.
+        return index
+      }
+    }
+  }
+}