From 08f8e3b4a4879dd7c91c16fbce80c4f2bc5e357f Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Mon, 10 Jul 2023 02:32:24 +0000
Subject: [PATCH] docs + various polish

---
 quartz/plugins/transformers/frontmatter.ts |   21 ++++++++++++++++++++-
 1 files changed, 20 insertions(+), 1 deletions(-)

diff --git a/quartz/plugins/transformers/frontmatter.ts b/quartz/plugins/transformers/frontmatter.ts
index fd91755..e9432a1 100644
--- a/quartz/plugins/transformers/frontmatter.ts
+++ b/quartz/plugins/transformers/frontmatter.ts
@@ -1,6 +1,8 @@
 import matter from "gray-matter"
 import remarkFrontmatter from 'remark-frontmatter'
 import { QuartzTransformerPlugin } from "../types"
+import yaml from 'js-yaml'
+import { slug as slugAnchor } from 'github-slugger'
 
 export interface Options {
   language: 'yaml' | 'toml',
@@ -21,7 +23,24 @@
         remarkFrontmatter,
         () => {
           return (_, file) => {
-            const { data } = matter(file.value, opts)
+            const { data } = matter(file.value, {
+              ...opts,
+              engines: {
+                yaml: s => yaml.load(s, { schema: yaml.JSON_SCHEMA }) as object
+              }
+            })
+
+            // tag is an alias for tags
+            if (data.tag) {
+              data.tags = data.tag
+            }
+
+            if (data.tags && !Array.isArray(data.tags)) {
+              data.tags = data.tags.toString().split(",").map((tag: string) => tag.trim())
+            }
+
+            // slug them all!!
+            data.tags = data.tags?.map((tag: string) => slugAnchor(tag)) ?? []
 
             // fill in frontmatter
             file.data.frontmatter = {

--
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