M .gitignore → .gitignore

@@ -4,3 +4,7 @@ __TODO.md
 design-document.md
 node_modules
 addons
+input_1
+deprecated
+input.bak
+__design-document.md

M createSiteIndex.js → createSiteIndex.js

@@ -1,5 +1,26 @@
-import { extractFrontmatter } from "./extractFrontmatter";
 import { glob } from "glob";
+import { readFile } from "fs-extra";
+import { unified } from "unified";
+import remarkParse from "remark-parse";
+import remarkFrontmatter from "remark-frontmatter";
+const yaml = require("js-yaml");
+
+export async function extractFrontmatter(filepath) {
+  let frontmatter;
+
+  const processor = unified()
+    .use(remarkParse)
+    .use(remarkFrontmatter, "yaml")
+    .use(() => (tree) => {
+      frontmatter = yaml.load(tree.children[0].value, {
+        schema: yaml.FAILSAFE_SCHEMA,
+      });
+      frontmatter.filename = filepath.split("/").pop().split(".").shift();
+    });
+  processor.run(processor.parse(await readFile(filepath, "utf-8")));
+
+  return frontmatter;
+}
 
 export async function createSiteIndex() {
   let siteIndex = [];

D extractFrontmatter.js

@@ -1,20 +0,0 @@
-import { readFile } from "fs-extra";
-import { unified } from "unified";
-import remarkParse from "remark-parse";
-import remarkStringify from "remark-stringify";
-import remarkFrontmatter from "remark-frontmatter";
-const yaml = require("js-yaml");
-
-export async function extractFrontmatter(filepath) {
-  let frontmatterObj;
-  await unified()
-    .use(remarkParse)
-    .use(remarkFrontmatter, "yaml")
-    .use(() => (tree) => {
-      frontmatterObj = yaml.load(tree.children[0].value);
-      frontmatterObj.filename = filepath.split("/").pop().split(".").shift();
-    })
-    .use(remarkStringify)
-    .process(await readFile(filepath, "utf-8"));
-  return frontmatterObj;
-}