fix: properly lock across source and content refresh by sharing a mutex

Jacky Zhao

2023-08-23 99dbe525d9b221bf12778ed899c94ef103a77c45

 quartz/plugins/transformers/frontmatter.ts

@@ -41,7 +41,7 @@
            }

            // slug them all!!
            data.tags = data.tags?.map((tag: string) => slugTag(tag)) ?? []
            data.tags = [...new Set(data.tags?.map((tag: string) => slugTag(tag)))] ?? []

            // fill in frontmatter
            file.data.frontmatter = {