chore: remove old parser

tools/challenge-parser/parser/plugins/utils/between-headings.js

@@ -0,0 +1,46 @@
+const between = require('unist-util-find-all-between');
+const find = require('unist-util-find');
+const findAfter = require('unist-util-find-after');
+const findAllAfter = require('unist-util-find-all-after');
+
+function getAllBetween(tree, marker) {
+  const start = find(tree, {
+    type: 'heading',
+    children: [
+      {
+        type: 'text',
+        value: marker
+      }
+    ]
+  });
+
+  if (!start) return [];
+
+  const isEnd = node => {
+    return (
+      node.type === 'heading' && node.depth <= start.depth && isMarker(node)
+    );
+  };
+
+  const isMarker = node => {
+    if (node.children && node.children[0]) {
+      const child = node.children[0];
+      return (
+        child.type === 'text' &&
+        child.value.startsWith('--') &&
+        child.value.endsWith('--')
+      );
+    } else {
+      return false;
+    }
+  };
+
+  const end = findAfter(tree, start, isEnd);
+
+  const targetNodes = end
+    ? between(tree, start, end)
+    : findAllAfter(tree, start);
+  return targetNodes;
+}
+
+module.exports = getAllBetween;