feat: tie in challenge parser

tools/challenge-md-parser/index.js

@@ -0,0 +1,32 @@
+const unified = require('unified');
+const vfile = require('to-vfile');
+const report = require('vfile-reporter');
+const markdown = require('remark-parse');
+const remark2rehype = require('remark-rehype');
+const html = require('rehype-stringify');
+const frontmatter = require('remark-frontmatter');
+const raw = require('rehype-raw');
+
+const frontmatterToData = require('./frontmatter-to-data');
+const textToData = require('./text-to-data');
+const testsToData = require('./tests-to-data');
+
+const processor = unified()
+  .use(markdown)
+  .use(frontmatter, ['yaml'])
+  .use(frontmatterToData)
+  .use(testsToData)
+  .use(remark2rehype, { allowDangerousHTML: true })
+  .use(raw)
+  .use(textToData, ['description', 'instructions'])
+  // the plugins below are just to stop the processor from throwing
+  // we need to write a compiler that can create graphql nodes
+  .use(html);
+
+processor.process(vfile.readSync('maybe.md'), function(err, file) {
+  if (err) {
+    throw err;
+  }
+  console.error(report(file));
+  console.log(JSON.stringify(file.data, null, 2));
+});