From b33f13ccaf4ec14a94ee0ee467dda04cf4981d00 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Mon, 01 Jan 2024 22:20:34 +0000
Subject: [PATCH] fix: dont show last page if folder

---
 quartz/plugins/transformers/frontmatter.ts |   66 ++++++++++++++++++++++++---------
 1 files changed, 48 insertions(+), 18 deletions(-)

diff --git a/quartz/plugins/transformers/frontmatter.ts b/quartz/plugins/transformers/frontmatter.ts
index 8dd0a45..26a665d 100644
--- a/quartz/plugins/transformers/frontmatter.ts
+++ b/quartz/plugins/transformers/frontmatter.ts
@@ -1,16 +1,21 @@
 import matter from "gray-matter"
-import remarkFrontmatter from 'remark-frontmatter'
+import remarkFrontmatter from "remark-frontmatter"
 import { QuartzTransformerPlugin } from "../types"
-import yaml from 'js-yaml'
+import yaml from "js-yaml"
+import toml from "toml"
+import { slugTag } from "../../util/path"
+import { QuartzPluginData } from "../vfile"
 
 export interface Options {
-  language: 'yaml' | 'toml',
   delims: string | string[]
+  language: "yaml" | "toml"
+  oneLineTagDelim: string
 }
 
 const defaultOptions: Options = {
-  language: 'yaml',
-  delims: '---'
+  delims: "---",
+  language: "yaml",
+  oneLineTagDelim: ",",
 }
 
 export const FrontMatter: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => {
@@ -18,35 +23,60 @@
   return {
     name: "FrontMatter",
     markdownPlugins() {
+      const { oneLineTagDelim } = opts
+
       return [
-        remarkFrontmatter,
+        [remarkFrontmatter, ["yaml", "toml"]],
         () => {
           return (_, file) => {
-            const { data } = matter(file.value, {
+            const { data } = matter(Buffer.from(file.value), {
               ...opts,
               engines: {
-                yaml: s => yaml.load(s, { schema: yaml.JSON_SCHEMA }) as object
-              }
+                yaml: (s) => yaml.load(s, { schema: yaml.JSON_SCHEMA }) as object,
+                toml: (s) => toml.parse(s) as object,
+              },
             })
 
-            if (data.tags && !Array.isArray(data.tags)) {
-              data.tags = data.tags.toString().split(",").map((tag: string) => tag.trim())
+            // tag is an alias for tags
+            if (data.tag) {
+              data.tags = data.tag
             }
 
-            // fill in frontmatter
-            file.data.frontmatter = {
-              title: file.stem ?? "Untitled",
-              tags: [],
-              ...data
+            // coerce title to string
+            if (data.title) {
+              data.title = data.title.toString()
+            } else if (data.title === null || data.title === undefined) {
+              data.title = file.stem ?? "Untitled"
             }
+
+            if (data.tags) {
+              // coerce to array
+              if (!Array.isArray(data.tags)) {
+                data.tags = data.tags
+                  .toString()
+                  .split(oneLineTagDelim)
+                  .map((tag: string) => tag.trim())
+              }
+
+              // remove all non-string tags
+              data.tags = data.tags
+                .filter((tag: unknown) => typeof tag === "string" || typeof tag === "number")
+                .map((tag: string | number) => tag.toString())
+            }
+
+            // slug them all!!
+            data.tags = [...new Set(data.tags?.map((tag: string) => slugTag(tag)))]
+
+            // fill in frontmatter
+            file.data.frontmatter = data as QuartzPluginData["frontmatter"]
           }
-        }
+        },
       ]
     },
   }
 }
 
-declare module 'vfile' {
+declare module "vfile" {
   interface DataMap {
     frontmatter: { [key: string]: any } & {
       title: string

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