Add script to fetch rfc-frontmatter as JSON

Author: kategengler

rfc-frontmatter.js

@@ -0,0 +1,26 @@
+const argv = require('yargs').command(
+  '* path',
+  'return the frontmatter of the RFC as JSON',
+  (yargs) => {
+    return yargs
+      .positional('path', {
+        describe: 'file path of the RFC',
+        type: 'string',
+      })
+      .demandOption(['path']);
+  }
+).argv;
+
+const frontmatter = require('@github-docs/frontmatter');
+const { readFileSync } = require('fs');
+
+let markdown = readFileSync(argv.path, 'utf8');
+const { data, errors } = frontmatter(markdown);
+
+if (errors.length) {
+  console.error(JSON.stringify(errors));
+  process.exitCode = 1;
+  return;
+}
+
+console.log(JSON.stringify(data));