Initial commit

node_modules/parse-latin/lib/plugin/merge-initial-word-symbol.js

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+/**
+ * @typedef {import('nlcst').Sentence} Sentence
+ */
+
+import {toString} from 'nlcst-to-string'
+import {modifyChildren} from 'unist-util-modify-children'
+
+// Merge certain punctuation marks into their following words.
+export const mergeInitialWordSymbol = modifyChildren(
+  /**
+   * @type {import('unist-util-modify-children').Modifier<Sentence>}
+   */
+  function (child, index, parent) {
+    if (
+      (child.type !== 'SymbolNode' && child.type !== 'PunctuationNode') ||
+      toString(child) !== '&'
+    ) {
+      return
+    }
+
+    const children = parent.children
+    const next = children[index + 1]
+
+    // If either a previous word, or no following word, exists, exit early.
+    if (
+      (index > 0 && children[index - 1].type === 'WordNode') ||
+      !(next && next.type === 'WordNode')
+    ) {
+      return
+    }
+
+    // Remove `child` from parent.
+    children.splice(index, 1)
+
+    // Add the punctuation mark at the start of the next node.
+    next.children.unshift(child)
+
+    // Update position.
+    if (next.position && child.position) {
+      next.position.start = child.position.start
+    }
+
+    // Next, iterate over the node at the previous position, as it's now adjacent
+    // to a following word.
+    return index - 1
+  }
+)