56 lines
1.1 KiB
TypeScript
56 lines
1.1 KiB
TypeScript
import { PluggableList } from "unified"
|
|
import matter from "gray-matter"
|
|
import remarkFrontmatter from 'remark-frontmatter'
|
|
import { QuartzTransformerPlugin } from "../types"
|
|
|
|
export interface Options {
|
|
language: 'yaml' | 'toml',
|
|
delims: string | string[]
|
|
}
|
|
|
|
const defaultOptions: Options = {
|
|
language: 'yaml',
|
|
delims: '---'
|
|
}
|
|
|
|
export class FrontMatter extends QuartzTransformerPlugin {
|
|
name = "FrontMatter"
|
|
opts: Options
|
|
|
|
constructor(opts?: Options) {
|
|
super()
|
|
this.opts = { ...defaultOptions, ...opts }
|
|
}
|
|
|
|
markdownPlugins(): PluggableList {
|
|
return [
|
|
remarkFrontmatter,
|
|
() => {
|
|
return (_, file) => {
|
|
const { data } = matter(file.value, this.opts)
|
|
|
|
// fill in frontmatter
|
|
file.data.frontmatter = {
|
|
title: file.stem ?? "Untitled",
|
|
tags: [],
|
|
...data
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
|
|
htmlPlugins(): PluggableList {
|
|
return []
|
|
}
|
|
}
|
|
|
|
declare module 'vfile' {
|
|
interface DataMap {
|
|
frontmatter: { [key: string]: any } & {
|
|
title: string
|
|
tags: string[]
|
|
}
|
|
}
|
|
}
|