fix(path-map): Refactor pathMigrationMap for new curriculum package

tools/scripts/seed/createPathMigrationMap.js

@@ -0,0 +1,25 @@
+const { flatten } = require('lodash');
+
+const { dasherize } = require('../../../api-server/server/utils');
+
+function createPathMigrationMap(curriculum) {
+  return Object.keys(curriculum)
+    .map(key => curriculum[key].blocks)
+    .reduce((challenges, current) => {
+      const superChallenges = Object.keys(current).map(
+        key => current[key].challenges
+      );
+      return challenges.concat(flatten(superChallenges));
+    }, [])
+    .filter(({ isPrivate }) => !isPrivate)
+    .reduce((map, challenge) => {
+      const { title, block, superBlock } = challenge;
+      const dashedTitle = dasherize(title);
+      map[dashedTitle] = `/learn/${dasherize(superBlock)}/${dasherize(
+        block
+      )}/${dashedTitle}`;
+      return map;
+    }, {});
+}
+
+exports.createPathMigrationMap = createPathMigrationMap;