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node_modules/parse-latin/lib/plugin/merge-affix-exceptions.js

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+/**
+ * @typedef {import('nlcst').Paragraph} Paragraph
+ */
+
+import {toString} from 'nlcst-to-string'
+import {modifyChildren} from 'unist-util-modify-children'
+
+// Merge a sentence into its previous sentence, when the sentence starts with a
+// comma.
+export const mergeAffixExceptions = modifyChildren(
+  /**
+   * @type {import('unist-util-modify-children').Modifier<Paragraph>}
+   */
+  function (child, index, parent) {
+    const previous = parent.children[index - 1]
+
+    if (
+      previous &&
+      'children' in previous &&
+      'children' in child &&
+      child.children.length > 0
+    ) {
+      let position = -1
+
+      while (child.children[++position]) {
+        const node = child.children[position]
+
+        if (node.type === 'WordNode') {
+          return
+        }
+
+        if (node.type === 'SymbolNode' || node.type === 'PunctuationNode') {
+          const value = toString(node)
+
+          if (value !== ',' && value !== ';') {
+            return
+          }
+
+          previous.children.push(...child.children)
+
+          // Update position.
+          if (previous.position && child.position) {
+            previous.position.end = child.position.end
+          }
+
+          parent.children.splice(index, 1)
+
+          // Next, iterate over the node *now* at the current position.
+          return index
+        }
+      }
+    }
+  }
+)