chore: remove old parser

tools/challenge-parser/parser/plugins/add-solution.js

@@ -0,0 +1,43 @@
+const visitChildren = require('unist-util-visit-children');
+const { root } = require('mdast-builder');
+
+const { getFileVisitor } = require('./utils/get-file-visitor');
+const { splitOnThematicBreak } = require('./utils/split-on-thematic-break');
+const getAllBetween = require('./utils/between-headings');
+const { editableRegionMarker } = require('./add-seed');
+
+function validateMarkers({ value }) {
+  const lines = value.split('\n');
+  if (lines.some(line => line.match(RegExp(editableRegionMarker))))
+    throw Error(
+      '--fcc-editable-region-- should only appear in the --seed-contents--\n' +
+        'section, not in --solutions--'
+    );
+}
+
+function createPlugin() {
+  return function transformer(tree, file) {
+    const solutionArrays = splitOnThematicBreak(
+      getAllBetween(tree, `--solutions--`)
+    );
+    const solutions = [];
+
+    solutionArrays.forEach(nodes => {
+      const solution = {};
+      const solutionTree = root(nodes);
+      const visitForContents = visitChildren(
+        getFileVisitor(solution, 'contents', validateMarkers)
+      );
+
+      visitForContents(solutionTree);
+      solutions.push(solution);
+    });
+
+    file.data = {
+      ...file.data,
+      solutions: solutions
+    };
+  };
+}
+
+module.exports = createPlugin;